Update Log
Stay updated with ToolZipper changes. We transparently share all updates including new tools, feature improvements, and bug fixes.
4월 16일
New tool
Aspect Ratio Calculator Tool Added- Simplify the current aspect ratio and calculate the output size, crop guidance, and padding guidance needed for a target format.
4월 14일
New tool
Break-Even Point Calculator Tool Added- Calculate break-even revenue, required unit volume, margin of safety, and projected operating profit from fixed costs, selling price, and variable costs.
4월 12일
New tool
IVF Due Date Calculator Tool Added- Estimate your IVF due date from embryo transfer day or a fresh-cycle date, with gestational age, trimester milestones, and a downloadable summary.
4월 11일
New tool
Height Calculator Tool Added- Convert height between feet/inches and centimeters, see meters and total inches, and review BMI-based reference weight ranges in one place.
New tool
Start and End Time Calculator Tool Added- Calculate end times, reverse-calculate start times, and review break-adjusted work hours and overnight schedules on one screen.
4월 9일
New tool
International Clothing Size Converter Tool Added- Compare women's and men's clothing sizes across international labels, UK / US / EU / IT references, waist inches, waist centimeters, and key measurement guides.
New tool
Hex Calculator Tool Added- Calculate two hexadecimal values with arithmetic and bitwise operators, then review hex, decimal, octal, binary, bit length, and byte breakdown in one place. Includes integer division, MOD, and copy support.
New tool
Golf Calorie Calculator Tool Added- Estimate golf calories burned from your weight, play time, and activity type. Compare practice, cart rounds, and walking rounds in one view.
4월 8일
New tool
Percentage Change Calculator Tool Added- Compare a previous value and a current value to calculate percentage change, absolute difference, the base-100 index, and the rate needed to return to the starting level.
New tool
Hydrogen Peroxide Concentration Calculator Tool Added- Work out hydrogen peroxide stock volume, water amount, and dilution factor from the stock concentration, target concentration, and final batch size.
New tool
Coefficient of Variation (CV) Calculator Tool Added- Enter a number list or a mean and standard deviation to calculate sample or population CV and relative variability around the mean in one place.
4월 5일
New tool
Face Blur Tool Tool Added- Blur or pixelate faces, license plates, and sensitive text with click or drag controls, plus undo, compare view, and instant browser-based download.
New tool
CSV ↔ JSON Converter Tool Added- Online CSV ↔ JSON converter. Control headers, delimiters, and empty/null rules, review errors and previews, and download the converted result.
New tool
Image Border Generator Tool Added- Add a border outside, center, or inside any image, adjust thickness, color, pattern, and corner radius live, then export as PNG, JPEG, or WebP.
New tool
Image Text Watermark Generator Tool Added- Add text watermarks to images in real time, adjust size, color, angle, position, and repeat spacing, then save as PNG, JPEG, or WebP in your browser.
4월 4일
New tool
1RM Calculator Tool Added- Compare 1RM formulas from your lifted weight and reps, then review target loads, rep tables, and CSV/Excel exports in one training calculator.
4월 2일
New tool
60:30:10 Color Ratio Analyzer Tool Added- Upload an image to group similar colors, compare dominant/secondary/accent balance against 60:30:10, and review how the accent color is distributed across the frame.
New tool
Goal Achievement Rate Calculator Tool Added- Enter a goal value and current progress to review the current achievement rate, remaining amount, planned-addition scenario, pace versus time elapsed, and the estimated final achievement rate in one calculator.
New tool
Rounding Calculator Tool Added- Round numbers by decimal places, nearest units, or significant figures and review the difference from the original value plus the calculation steps on one page.
3월 31일
New tool
Confidence Interval Calculator Tool Added- Review t-based mean and Wilson proportion confidence intervals from a sample mean or proportion, with margin of error and standard error on screen.
3월 30일
New tool
Factor Calculator Tool Added- Enter a positive integer to view the prime factorization, full factor list, factor count and sum, and factor pairs in one place.
3월 29일
New tool
PDF Compressor Tool Added- Compress a PDF entirely in your browser, choose Quality First, Balanced, or Size First, compare the before/after sizes, and download the lighter copy.
New tool
Overdraft Interest Calculator Tool Added- Enter the opening balance, annual rate, and draw or repayment history to estimate overdraft interest by daily balance, including a 30-day equivalent cost.
New tool
PDF Page Deleter Tool Added- Remove unwanted PDF pages with thumbnail review, range selection, and browser-only processing. Save a cleaned PDF copy without changing the original file.
3월 28일
New tool
Fixed ISO Exposure Calculator Tool Added- Enter a fixed ISO with a reference aperture and shutter speed to calculate the matching shutter or aperture while comparing other same-brightness combinations.
New tool
Vignette Add & Remove Tool Added- Upload a photo, switch between adding or removing a vignette, adjust strength, center coverage, softness, and shape, then save as PNG, JPEG, or WebP.
New tool
Temperature & Tint Adjuster Tool Added- Upload a photo, move temperature from cooler to warmer and tint from green to magenta, compare the result with the original, and save it as PNG, JPEG, or WebP with this lightweight white-balance correction tool.
New tool
Exposure Triangle Calculator Tool Added- Use scene EV to solve for ISO, shutter speed, or aperture, then compare standard same-brightness combinations for the exposure triangle.
New tool
Weighted Average Calculator Tool Added- Enter values and weights row by row to see the weighted average, weighted sum, simple-average gap, and item-by-item contribution shares in one place.
New tool
Frequency ↔ Period Converter Tool Added- Convert frequency (Hz) and period (seconds) in real time, with Hz, kHz, MHz, plus seconds, ms, and µs shown together in one easy view.
New tool
Camera Exposure Value (EV) Calculator Tool Added- Enter any two values among aperture, shutter speed, and EV to calculate the third at ISO 100 and compare equivalent camera exposure combinations.
3월 27일
New tool
Factorial Calculator Tool Added- Calculate exact factorials from 0! to 5,000! and review the digit count, trailing zeros, expansion, and neighboring factorial comparisons in one calculator.
New tool
Power ↔ dBm Converter Tool Added- Convert dBm, mW, and W on one screen with quick presets, instant formulas, and proper −∞ dBm guidance when power is zero.
New tool
PDF Black and White Converter Tool Added- Convert a color PDF to grayscale or pure black and white, export the full file or selected pages, and save a new PDF entirely inside your browser without external upload.
New tool
PDF to Image Converter Tool Added- Save each page of a PDF as PNG, JPG, or WebP while using a large preview, thumbnails, and a page table to extract exactly the pages you need.
New tool
PDF Page Rotator Tool Added- Rotate selected PDF pages one by one or by range, fix mixed portrait and landscape documents, and save your corrected PDF copy entirely in-browser.
New tool
Image to PDF Converter Tool Added- Convert multiple images into one PDF, adjust page size, orientation, margins, and background color, then save the new PDF in your browser.
New tool
PDF Merger Tool Added- Combine multiple PDFs in your chosen order, review first-page previews, and save one merged PDF directly in your browser with no external upload.
3월 26일
New tool
PDF Page Reorder Tool Added- Reorder PDF pages with drag-and-drop, move buttons, and slot-based controls, then save a new browser-processed PDF copy in the exact sequence you need.
New tool
p-value Calculator Tool Added- A calculator that uses a Z or t statistic, test direction, degrees of freedom, and alpha to show the p-value, tail areas, and significance call.
New tool
PDF Page Number Adder Tool Added- Add page numbers to a PDF, adjust placement, format, start number, and range, preview the result, and save a numbered PDF in your browser.
New tool
Fraction Calculator Tool Added- Free online fraction calculator for two fractions with simplified answers, mixed numbers, decimal approximations, and step-by-step results.
New tool
Korean Eviction Lawsuit Cost Calculator (Residential / Commercial) Tool Added- Estimate claim amount, court filing costs, attorney fees, and extra preparation costs for Korean residential and commercial eviction lawsuits.
New tool
Gravel Calculator Tool Added- Enter area, depth, density, and extra allowance to estimate gravel order volume, weight, bag count, and bulk bag count in one place.
New tool
Dew Point Calculator Tool Added- Calculate dew point from air temperature and relative humidity, then review muggy-air comfort, saturation gap, and condensation proximity in one tool.
3월 25일
New tool
Average Calculator Tool Added- Paste numbers to calculate the arithmetic mean, median, sum, minimum, maximum, and range. Useful for scores, sales, and measurement checks.
New tool
Surface Area Calculator Tool Added- Enter dimensions for a cube, rectangular prism, cylinder, sphere, or cone to calculate total surface area, lateral or curved area, flat-face totals, and a recommended material area with extra allowance.
New tool
Pythagorean Theorem Calculator Tool Added- Enter any two known sides of a right triangle to solve the missing side, verify a²+b²=c², and review area and perimeter in one calculator.
New tool
Binary Calculator Tool Added- Calculate binary values with arithmetic or bitwise operations, then inspect binary, decimal, hexadecimal, popcount, and byte breakdown in one screen.
New tool
Slope Calculator Tool Added- Enter two coordinates to calculate the slope, line equation, slope angle, midpoint, distance, rise, and run in one place.
New tool
Root Calculator Tool Added- Calculate square roots, cube roots, and other nth roots with powered verification, perfect-power checks, and nearby integer ranges in one calculator.
New tool
Voltage Drop Calculator Tool Added- Calculate voltage drop, receiving voltage, and wire loss for single-phase, three-phase, and DC circuits, then compare nearby AWG and kcmil sizes.
3월 23일
New tool
Savings Calculator Tool Added- Enter current savings, monthly contributions, expected return, and a target amount to project your balance and goal progress over time.
3월 22일
New tool
Circle Calculator Tool Added- Enter radius, diameter, circumference, or area to solve the remaining circle measurements and review the formula flow, preview diagram, and summary table in one place.
New tool
Standard Deviation Calculator Tool Added- Paste a list of numbers to calculate the sample standard deviation, population standard deviation, variance, mean, and a deviation table in one place.
New tool
Roofing Calculator Tool Added- A roofing calculator that uses pitch, waste allowance, and bundle coverage to estimate material quantity, roofing squares, recommended bundles, and material cost in one place.
New tool
Discount Calculator Tool Added- Calculate the final paid amount, total savings, and original subtotal from list price, discount rate, coupon, shipping, and quantity.
New tool
FHA Loan Calculator Tool Added- Estimate monthly housing cost and cash to close for an FHA 1-unit home purchase with UFMIP, annual MIP, county loan limits, taxes, insurance, and HOA.
New tool
Wind Chill Calculator Tool Added- Estimate wind chill, air-temperature drop, frostbite risk bands, and exposed-skin caution time from temperature and wind speed before winter outings.
New tool
Roth IRA Calculator Tool Added- Calculates your 2026 Roth IRA contribution room using IRS limits, MAGI phase-out rules, and other IRA plans, then projects the balance through your target age.
New tool
Z-Score Calculator Tool Added- Calculate Z-score, cumulative percentile, distance from the mean, and reference score bands from a score, mean, and standard deviation.
New tool
Heat Index Calculator Tool Added- Enter air temperature and relative humidity to estimate shaded heat index, NWS risk bands, temperature gap, and a practical full-sun reference.
3월 20일
New tool
Right Triangle Calculator Tool Added- Calculate the base, height, hypotenuse, acute angles, area, perimeter, and support values of a right triangle from two legs, one leg plus the hypotenuse, or angle A plus one side.
3월 19일
New tool
CSV Header Extractor Tool Added- Extract CSV header rows, review delimiter detection plus duplicate or empty column cleanup, and copy the result in JSON, text, or SQL formats.
3월 14일
New tool
Percent Error Calculator Tool Added- Enter a reference value and a measured value to review percent error, absolute error, signed difference, and tolerance status in one place.
New tool
APR Calculator Tool Added- Enter loan amount, nominal rate, term, upfront fees, and recurring monthly charges to estimate the effective APR and review the repayment burden based on net proceeds.
3월 13일
New tool
Mutual Fund Calculator Tool Added- Model a mutual fund plan with ending balance, cost drag, required monthly contribution, and goal progress from your current balance and assumptions.
New tool
Black and White Photo Filter Tool Added- Upload a photo, convert it to black and white, adjust intensity, contrast, and brightness, then save it as PNG, JPEG, or WebP with an in-browser photo filter.
New tool
401k Calculator Tool Added- Project your US 401k balance, employer match, IRS 2026 limits, and a 4% withdrawal guide using salary, contribution rate, and USD inputs.
New tool
Personal Loan Net Proceeds Comparison Calculator Tool Added- Compare personal loan offers by required funded amount, monthly payment, upfront fees, total interest, and total cost based on the cash you need.
New tool
Cash Flow IRR/NPV Calculator Tool Added- Enter an upfront investment and yearly cash flows to estimate IRR, NPV, payback period, and payback multiple for business cases or capital projects.
New tool
Roman Numerals Converter Tool Added- Convert numbers and Roman numerals both ways, then review standard notation, subtractive rules, and symbol breakdowns on one screen for quick checks.
New tool
Horsepower Calculator Tool Added- Enter torque and RPM to calculate hp, PS, and kW together, with normalized N·m torque and a clear formula breakdown for easier comparison.
New tool
Molarity Calculator Tool Added- Enter solute mass, molar mass, and final solution volume to calculate moles, molarity (M), and required amounts for standard preparation volumes in one view.
New tool
Molecular Weight Calculator Tool Added- Calculate molecular weight (molar mass) from a chemical formula with element contribution, total atoms, hydrate support, and subtotals in one view.
3월 12일
New tool
Density Calculator Tool Added- Calculate the remaining value from any two known density, mass, and volume inputs, with water comparison and unit conversions on one screen.
New tool
Pay Raise Calculator Tool Added- Check your new salary, raise amount, monthly difference, target salary gap, and future projection from your current salary and raise rate or updated salary.
New tool
FPE Calculator Tool Added- Enter weight in grains and velocity in fps to calculate FPE, Joules, and speed in m/s. The page also summarizes the input and shows the formula used for the result.
New tool
Oz to Cups Converter Tool Added- Convert fluid ounces (fl oz) into US cups, 250 mL cups, mL, tablespoons, and teaspoons so recipe and drink sizes are easier to compare.
New tool
PSI to GPM Calculator Tool Added- Enter pressure (PSI) and a US K-factor to estimate flow in GPM, L/min, and L/s, then compare the result against common pressure reference points.
New tool
Board Foot Calculator Tool Added- Calculate total board feet from thickness, width, length, and quantity, then compare cubic feet and cubic meter conversions for lumber planning.
New tool
HAS-BLED Calculator Tool Added- Review HAS-BLED bleeding risk factors in atrial fibrillation and see the total score (0-9), the 3+ caution signal, and modifiable factors in one tool.
New tool
Apnea-Hypopnea Index (AHI) Calculator Tool Added- Enter apnea count, hypopnea count, and total sleep time to calculate adult AHI severity ranges and better understand a sleep study report.
3월 11일
New tool
Image to WebP Converter Tool Added- Convert multiple images to WebP, adjust quality, compare per-file reduction, and download files one by one or as selected and full ZIP packages.
New tool
Image Noise Maker Tool Added- Upload an image, add mono or color noise with a live comparison preview, and download it as PNG, JPEG, or WebP while keeping the original resolution.
New tool
Volume Unit Converter Tool Added- Volume Unit Converter compares mL, L, cc, m³, metric kitchen measures, and US/Imperial volume units on one screen with quick copy-ready results.
New tool
Force Unit Converter Tool Added- Convert 17 force units including newton, kilonewton, kgf, lbf, and dyn at once, then compare them quickly with summary cards and a full results table.
3월 8일
New tool
Image Pixelator Tool Added- Turn photos and illustrations into pixel art in your browser with style presets, palettes, crop ratios, dithering, and crisp 2x/4x/8x exports.
3월 5일
New tool
File Size Unit Converter Tool Added- Convert file sizes across KB/MB/GB/TB and KiB/MiB in one view. Compare decimal vs binary units with adjustable precision and quick copy actions.
New tool
UTF-8/UTF-16 Byte Calculator Tool Added- Compare UTF-8 and UTF-16 byte size with optional BOM handling, then inspect chart, summary table, and per-character detail rows to diagnose encoding cost differences quickly.
New tool
PDF Watermark Generator Tool Added- Add text watermarks to PDF files with configurable position, opacity, rotation, repeat pattern, and page range, then download the result directly in your browser.
2월 7일
New tool
DTI Calculator Tool Added- Calculate your Debt-to-Income ratio across all loans. QM 43% and Non-QM 50% threshold assessment, stress testing with rate buffers, and reverse calculation for maximum borrowing capacity. Supports 7 loan types.
New tool
Loan Refinance Calculator Tool Added- Compare your current loan against refinancing options. Calculate monthly payment savings, total interest reduction, net savings after penalties, and break-even point.
2월 6일
New tool
Credit Loan Interest Calculator Tool Added- Compare credit loan interest rates by FICO score across credit unions, banks, and online lenders. Calculate monthly payments and total interest with amortization schedule.
New tool
Loan Repayment Calculator Tool Added- Loan Repayment Calculator. Compare Fixed Payment, Equal Principal, and Interest-Only methods. Features grace period, early repayment savings, amortization schedule, Excel export, and affordability calculator.
2월 5일
New tool
Mortgage Calculator Tool Added- Calculate monthly payments, total interest, and amortization schedules for home loans. Supports Fixed-Rate, Principal Equal, and Graduated repayment types with LTV/DTI analysis.
2월 4일
New tool
Decimal Time Converter Tool Added- Convert decimal time like 1.5 hours to 1 hour 30 minutes. Features bidirectional conversion, real-time calculation, and click-to-copy for work hour tracking and payroll.
2월 3일
New tool
4-7-8 Breathing Guide Tool Added- Practice the 4-7-8 breathing technique: 4 seconds inhale, 7 seconds hold, 8 seconds exhale. Effective for stress relief and sleep.
New tool
SQL Formatter Tool Added- Format messy SQL queries into readable code with proper indentation. Supports 8 major databases including MySQL, PostgreSQL, and Oracle with syntax highlighting.
1월 31일
New tool
Emoji Finder & Copier Tool Added- Quickly search and copy from thousands of emojis. 8 categories, skin tone adjustment, favorites, and recent history for efficient SNS and messaging.
1월 29일
New tool
Biorhythm Calculator Tool Added- Enter your birth date to visualize your physical (23 days), emotional (28 days), and intellectual (33 days) biorhythms on a 30-day chart. Check your high, low, and critical day status while navigating through dates.
1월 27일
New tool
Reaction Time Test Tool Added- Measure your visual reaction time in milliseconds. Get accurate results with a 5-test average. Auto-saves your last 20 records. Perfect for gamers, athletes, and anyone curious about their reflexes.
New tool
Typing Speed Test Tool Added- Measure your keyboard typing speed in real-time. Check your typing ability with WPM and CPM metrics and track your progress with this free online tool.
1월 26일
New tool
YAML ↔ JSON Converter Tool Added- Online tool to convert between YAML and JSON in real-time. Safely convert Docker Compose, Kubernetes, and GitHub Actions DevOps configuration files.
New tool
Brand Color Extractor Tool Added- Automatically extract and classify Primary/Secondary/Accent colors from logos and brand images. Supports HEX/RGB/HSL/CMYK formats, CSS variables/JSON/PNG export, history and favorites.
1월 25일
New tool
Duplicate Line Remover Tool Added- Free online tool to automatically detect and remove duplicate lines from text files, code, and data lists. Real-time preview with statistics, clipboard copy, and file download features.
New tool
Text Diff Tool Tool Added- Compare two texts line by line with color-coded display of additions, deletions, and modifications. Uses LCS algorithm for accurate diff detection, ideal for code review and proofreading.
New tool
JWT Decoder Tool Added- Instantly decode JWT tokens and inspect headers, payloads, and signatures. Provides HMAC signature verification, expiration checking, and history storage features.
New tool
VAT / Sales Tax Calculator Tool Added- Calculate net price, VAT/tax, and gross price instantly. Supports UK VAT rates (20%, 5%, 0%) and custom rates for US sales tax. Features bidirectional calculation, multiple rounding options, and share URL.
New tool
EV Charging Cost Calculator Tool Added- Free EV charging cost calculator for US electric vehicle owners. Compare Level 1, Level 2, and DC fast charging costs with Tesla, Electrify America, ChargePoint, and EVgo network rates.
New tool
EV Ownership Cost Calculator Tool Added- Calculate the true cost of EV ownership in the USA. Analyze 4-type charging costs (Home L1/L2, Public L2, DC Fast), insurance, registration, maintenance with visual breakdowns and Tesla Model 3 sample data.
New tool
Color Balance Tool Added- Color balance tool with individual RGB channel adjustment, auto white balance (Gray World algorithm), eyedropper white point, 6 presets, and PNG/JPEG/WebP download support.
1월 24일
New tool
Color Inverter (Negative) Tool Added- Free online tool to invert image colors and apply negative film effect. Adjustable intensity (0-100%), original comparison feature, download in PNG/JPEG/WebP. Browser-based processing for complete privacy.
New tool
HSL Adjuster Tool Added- An online tool to intuitively adjust Hue, Saturation, and Lightness with sliders, and convert/copy color codes in HEX, RGB, and HSL formats.
New tool
Image Rotate/Flip Tool Added- Free online image rotate and flip tool. Rotate 90/180 degrees, flip horizontally or vertically. Download in PNG/JPEG/WebP formats. Privacy protected - all processing in browser.
1월 23일
New tool
Image Resizer Tool Added- Easily resize images. Batch process multiple images, output as PNG/JPEG/WebP, adjust quality, and download all as ZIP. Browser-based processing for privacy.
New tool
Image Brightness Adjuster Tool Added- Free online tool to easily adjust image brightness, contrast, exposure, and gamma. Quick correction with 6 presets, download as PNG/JPEG/WebP.
New tool
Text Replacer Tool Added- Free online tool to find and replace text in bulk. Supports case sensitivity, whole word matching, and regular expressions. Upload and download files.
New tool
Time Unit Converter Tool Added- Online tool for real-time bidirectional conversion between time units - days, hours, minutes, and seconds. Simply enter a number and all other units are automatically converted with human-readable format display.
1월 22일
New tool
HTML Viewer Tool Added- Free online tool for real-time HTML code preview. Features syntax highlighting, HTML validation, and responsive preview. No development environment needed - just use your browser.
1월 20일
New tool
Ideal Weight Calculator Tool Added- Calculate your ideal body weight based on height, gender, and frame size. Compare results from 6 medical formulas including Devine, Robinson, and Hamwi with Imperial/Metric unit toggle.
1월 19일
New tool
Color Picker Tool Added- Professional color picker with color wheel, saturation/brightness controls, HEX/RGB/HSL formats, EyeDropper API, harmony colors, and history.
New tool
Color Name Finder Tool Added- Enter HEX, RGB, or HSL color codes to find the closest color name from CSS 140 + Extended 1,500 color database. Provides similar color recommendations and one-click copy.
New tool
Random Color Generator Tool Added- Generate beautiful random palettes with 5 color tones. Features color locking, HEX/RGB/HSL formats, color harmony suggestions, CSS export, and PNG download. Free online tool.
1월 18일
New tool
Gradient Generator Tool Added- Free online CSS gradient generator that creates smooth color transitions between two colors. Features 15 presets, 360-degree angle control, color swap and random generation. Copy CSS code with one click.
1월 17일
New tool
Color Mixer Tool Added- Online tool for blending 2-5 colors at your desired ratios to create new colors. Features RGB additive mixing, gradient preview, intermediate color generation, and color harmony recommendations. One-click copy for HEX and RGB values.
New tool
Baby Formula Calculator Tool Added- Calculate the right formula amount for your baby based on weight and age. Get per-feeding and daily totals with AAP guidelines. Supports oz/lb and metric units.
New tool
Baby Weaning Calculator Tool Added- Calculate recommended start dates for early, middle, late, and complete weaning stages based on your baby's birth date and feeding method. Free online tool with WHO-based stage guides.
New tool
Color Contrast Checker Tool Added- WCAG 2.1 compliant contrast ratio measurement tool. Real-time calculation of text and background color contrast ratios with AA/AAA level compliance checking, color blindness simulation, and color suggestions.
New tool
Proportion Calculator Tool Added- Free online tool to solve various proportion problems with 4 modes: basic proportion, distribution, inverse, and chain. Features flexible unknown positions, fraction display, and step-by-step solutions.
New tool
Color Palette Generator Tool Added- Generate harmonious color palettes based on color theory. Supports 4 harmony types: complementary, analogous, triadic, and monochromatic. Save palettes and download as PNG images.
New tool
Color Extractor Tool Added- Free online tool to automatically extract main color palettes from images. Extract 8 main colors, supports HEX/RGB/HSL formats, CSS variables copy, and palette image download.
New tool
Baby Month Calculator Tool Added- Calculate your baby's age in months from birth date. View developmental milestones, upcoming anniversaries, and CDC 2025 recommended vaccination schedule. Free online tool.
1월 16일
New tool
Due Date Calculator Tool Added- Free online due date calculator based on your last menstrual period. Uses Naegele's Rule for accurate estimation, shows current pregnancy week, trimester timeline, and key milestone dates.
New tool
Birthday Weekday Calculator Tool Added- Enter your birth date to instantly discover which day of the week you were born, along with weekday personality traits, Chinese Zodiac, and Western zodiac sign. Free online tool with time elapsed calculator.
New tool
Days Lived Calculator Tool Added- Free online calculator to find out how many days you've been alive. See your 10,000 day and 20,000 day milestones, live counter, and birth day of the week. No registration required.
New tool
Color Converter Tool Added- Free online tool to convert between HEX, RGB, and HSL color formats in real-time. Features color picker, CSS code output, and color history.
New tool
First Birthday Party Planner Tool Added- Plan your baby's first birthday perfectly with this free online planner. Automatic 8-week timeline, checklist, budget guide, and image export. Track all 15 preparation tasks from venue booking to party day.
1월 15일
New tool
Traditional Ratio Unit Calculator Tool Added- Learn about Wari-Bu-Rin (Japanese) and Hal-Pun-Ri (Korean) - traditional East Asian ratio units. Convert between traditional units and modern percentages with this free educational calculator.
1월 14일
New tool
Marathon Pace Calculator Tool Added- Free online marathon pace calculator. Calculate race pace from target time, predict finish time from pace. Supports full marathon, half, 10K, 5K with split strategies, VDOT training paces, weather adjustments.
1월 13일
New tool
Case Converter Tool Added- Instantly convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case and 13 more case formats. Free online tool with one-click copy.
1월 11일
New tool
Gallon Barrel Converter Tool Added- Accurate gallon and barrel converter. Supports 5 barrel types including oil, beer, liquid, and dry barrels. Features real-time conversion and liter equivalents.
New tool
Text Reverser Tool Added- A tool to reverse text in various ways. Supports 6 modes including character, word, line, and sentence reversal. Includes palindrome detection.
New tool
Body Fat Calculator Tool Added- Calculate body fat percentage using the US Navy Method. Estimates body fat from neck, waist, and hip measurements.
New tool
QR Code Generator Tool Added- Generate QR codes from URLs or text. Supports size selection, bulk generation, and PNG download.
New tool
HTML Beautifier Tool Added- Format minified HTML code for readability. Real-time formatting with indentation options, copy and download support.
New tool
CSS Beautifier Tool Added- Format minified CSS code into readable format. Real-time conversion, indent options, copy and download support.
New tool
JS Beautifier Tool Added- Format minified JavaScript code into readable format. Supports indent options and real-time conversion.
New tool
HTML Minifier Tool Added- Remove unnecessary whitespace, line breaks, and comments from HTML code. Supports real-time minification with compression rate display.
New tool
CSS Minifier Tool Added- Remove unnecessary whitespace, comments, and line breaks from CSS code to reduce file size. Improve web page loading speed with real-time minification.
New tool
JS Minifier Tool Added- Reduce JavaScript file size by removing unnecessary whitespace, line breaks, and comments. Features compression rate display and download.
New tool
Calorie Calculator Tool Added- Calculate BMR and TDEE for weight management. Supports Mifflin-St Jeor and Harris-Benedict formulas.
New tool
Water Intake Calculator Tool Added- Calculate your optimal daily water intake based on weight, activity level, and environment. Includes water intake tracker.
New tool
Base Converter Tool Added- Convert between binary, octal, decimal, and hexadecimal in real-time. Essential tool for programming and computer science.
New tool
Lorem Ipsum Generator Tool Added- Generate Lorem Ipsum dummy text by paragraphs, sentences, words, or characters. Supports HTML tags and classic start options.
New tool
Percent Calculator Tool Added- Calculate various percentages easily. Includes basic percent, ratio, change rate, discount, and reverse calculation with visual charts.
1월 10일
New tool
Markdown to HTML Converter Tool Added- Convert Markdown to HTML in real-time. Full GFM support, syntax highlighting, and preview.
New tool
Base64 Image Converter Tool Added- Bidirectional conversion between Base64 strings and images. Preview, download, and drag-and-drop support.
New tool
D-Day Calculator Tool Added- Calculate D-Day until your target date with real-time countdown and auto-save.
1월 9일
New tool
Regex Tester Tool Added- Test regex patterns in real-time with match highlighting, group display, and pattern explanation.
New tool
Hash Identifier Tool Added- Automatically identify hash algorithm types like MD5, SHA-256, bcrypt by analyzing hash values
New tool
Date Difference Calculator Tool Added- Calculate duration between two dates in years, months, weeks, and days with weekday/weekend breakdown.
New tool
UUID Generator Tool Added- Generate UUID v4 with bulk generation, format options, validation, and history features.
New tool
HTML Entity Converter Tool Added- Convert special characters to HTML entities and vice versa. Features real-time conversion and entity reference table.
1월 8일
New tool
Hash Generator Tool Added- Generate MD5 and SHA-256 hashes instantly. Real-time calculation, uppercase/lowercase selection, one-click copy.
New tool
BMI Calculator Tool Added- BMI Calculator Metric (kg/cm) Imperial (lb/ft) Height cm Weight kg Height ft in Weight lb Enter your height and weight to calculate your BMI automatically. 0.0 Body Mass Index (BMI)...
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URL Encoder/Decoder Tool Added- Encode and decode URL strings. Supports full encoding (encodeURIComponent) and partial encoding (encodeURI).
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Timestamp Converter Tool Added- Convert between Unix timestamps and human-readable date/time formats. Supports both seconds and milliseconds.
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JSON Formatter Tool Added- Format, minify, and validate JSON data with ease.
1월 7일
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Age Calculator Tool Added- Calculate your exact age in years, months, and days. Discover your zodiac sign, Chinese zodiac, and countdown to your next birthday.
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Days Remaining This Year Tool Added- Calculate how many days remain until the end of the year in real-time. Track your year progress with visual indicators.
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TXT File Creator Tool Added- Create and download text files (.txt) directly in your browser. No software needed - simply type your content, set a file name, and save as TXT instantly.
1월 6일
New tool
Base64 Converter Tool Added- Conversion Mode Encode Decode URL-safe Base64 (RFC 4648) Drag and drop or click to upload a file Max 10MB / Processed in browser (no server upload) Input Clear Result Swap...
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Character Counter Tool Added- Character Counter UTF-8: 0 bytes 0 Characters 0 Without Spaces 0 Words 0 Lines Detailed Statistics Sentences 0 Paragraphs 0 Syllables 0 Spaces 0 Numbers 0 Special Chars 0 Avg....