Update Log
Stay updated with ToolZipper changes. We transparently share all updates including new tools, feature improvements, and bug fixes.
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)...
New Tool
URL Encoder/Decoder Tool Added- Encode and decode URL strings. Supports full encoding (encodeURIComponent) and partial encoding (encodeURI).
New Tool
Timestamp Converter Tool Added- Convert between Unix timestamps and human-readable date/time formats. Supports both seconds and milliseconds.
New Tool
JSON Formatter Tool Added- Format, minify, and validate JSON data with ease.
1월 7일
New Tool
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.
New Tool
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.
New Tool
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...
New Tool
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....