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89 tools
Date & Time
Age Calculator
Exact age in years, months, days from DOB.
Audio Compressor
Reduce MP3/M4A size while keeping quality
Audio Cutter
Trim audio precisely in your browser.
Audio Equalizer
Preview and tweak audio with EQ, reverb, compression, pan, pitch, and speed — then export.
Audio Volume & Speed Changer
Adjust audio volume and playback speed (0.5x–2x) in your browser.
Finance
Auto Loan Calculator
Car payment, interest, and total cost by term & APR.
Base64 Encode/Decode
Convert to/from Base64.
Beautify Code
Format HTML/CSS/JS with options.
Health
BMI Calculator
Body Mass Index from height & weight.
Health
BMR Calculator
Basal Metabolic Rate & daily calorie needs.
Health
Body Fat Calculator
Estimate body fat % using common formulas.
Border Radius Generator
Generate CSS border-radius values with live preview.
Popular
Box Shadow Generator
Create CSS/Tailwind box shadows with preview.
Health
Calorie Intake Calculator
Daily calories for weight loss, gain, or maintenance.
Case Converter
UPPER, lower, Title, Sentence case.
Collage Maker
Combine multiple images into a grid.
Color Converter
HEX ↔ RGB ↔ HSL ↔ CMYK.
Cron Parser
Explain CRON expressions in plain English.
CSS Gradient Generator
Design linear/radial gradients with CSS output.
CSS Grid Builder
Design and export responsive grid layouts.
CSV → JSON
Convert CSV files into JSON arrays.
Hot
Custom QR Code Styler
Add colors, logos, and shapes to QR codes.
Date & Time
Date Difference Calculator
Days, weeks, months between two dates.
Emoji → Text
Convert emojis into text codes.
Epoch ↔ Date
UNIX time to ISO-8601 and back.
Excel Viewer
Preview XLSX and XLS spreadsheets in-browser.
Extract Audio from Video
Extract Audio from Video — MP3, WAV, M4A (Client-side)
Facebook Cover Resizer
Fit images to Facebook cover photo size.
Flexbox Playground
Visualize and generate CSS/Tailwind flexbox code.
Math
Fraction to Decimal
Convert between fractions, decimals, and percents.
Travel
Fuel Cost Calculator
Trip fuel cost by mileage and gas price.
Geo Location → QR Code
Create QR codes for maps/coordinates.
Education
GPA Calculator
Term & cumulative GPA (weighted/unweighted).
Education
Grade Calculator
Compute course grade from weighted components.
Hash Generator
MD5/SHA-1/SHA-256 checksums for text/files.
Hashtag Generator
Generate trending hashtags from keywords.
HEIC → JPG
Convert iPhone photos to universal JPG.
Image → SVG
Vectorize images into scalable SVGs.
Popular
Image Compressor
Compress JPG/PNG/WEBP efficiently.
Image Cropper
Crop with custom ratios and zoom.
Instagram Post Resizer
Resize images to 1080x1080 for Instagram.
Instagram Story Resizer
Resize content to 1080x1920 for Stories.
Join Audio
Merge multiple audio files seamlessly.
JPG → PNG
Convert JPEG images to PNG.
JSON → CSV
Turn JSON data into CSV files.
New
JSON Formatter
Pretty-print & validate JSON.
JWT Decoder
Decode header & payload; check exp/nbf.
Line Break Generator
Add clean line breaks in Instagram captions.
Line Sorter
Sort lines A→Z, Z→A, or by length.
LinkedIn Banner Resizer
Adjust images for LinkedIn profile banners.
Finance
Loan Calculator
Monthly payment & interest breakdown for personal, auto, student loans.
Logo Maker
Create simple text-based logos.
Markdown ↔ HTML
Convert Markdown to HTML and back.
Minify Code
Minify HTML/CSS/JS; show size savings.
Finance
Mortgage Calculator
Estimate monthly payments with taxes, insurance & amortization.
Utility
Mouse Click Speed Test
Clicks per second mini game.
Password Generator
Create strong passwords with custom rules.
Popular
PDF Viewer
Open and view PDF files directly in your browser.
Math
Percentage Calculator
Find X% of Y, percentage change, and differences.
PNG → JPG
Convert transparent PNGs to JPG.
Poster Maker
Design simple posters with text and shapes.
Profile Picture Cropper
Crop and preview profile pictures with safe zones.
QR Code Scanner
Upload or scan QR codes to decode content.
Utility
Reaction Timer
Measure reflex speed and record results.
Regex Tester
Test and debug regular expressions.
Remove Duplicate Lines
Clean text by removing duplicates.
Utility
Stopwatch
Large stopwatch view for presentations.
Finance
Student Loan Calculator
Plan payments with interest, term, and extra payments.
SVG → PNG
Rasterize SVGs into PNGs.
SVG → PNG
Convert scalable SVGs into PNG images.
Tailwind Gradient Helper
Convert CSS gradients into Tailwind classes.
Text → Emoji
Translate text into emojis for fun posts.
Popular
Text → QR Code
Generate QR codes for text/URLs/Wi-Fi.
Text Cleaner
Trim spaces, blank lines, non-ASCII.
Text File Viewer
Preview TXT, MD, and RTF files in the browser.
Text Similarity Checker
Compare two texts to find overlap.
Twitter Header Resizer
Resize banners to 1500x500 pixels.
Utility
Typing Speed Test
Measure WPM typing speed and accuracy.
ULID Generator
Generate sortable ULIDs.
Popular
URL → QR Code
Generate QR codes for website links.
URL Encode/Decode
Encode/Decode URLs safely.
UUID Generator
Generate v4 UUIDs securely.
vCard → QR Code
Generate QR codes for contact details.
WEBP → JPG
Convert WEBP images to JPEG.
Word Counter
Count words, chars, reading time.
Word Viewer
View DOCX and DOC files online without Word.
XML Formatter
Pretty-print & validate XML (XSD optional).
YAML ↔ JSON
Convert and validate YAML/JSON.
Fun
Yes/No Decision
Fair coin-flip style decision helper.