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Featured Tools
View AllJSON Formatter
Format, validate, and beautify your JSON data online for free.
DevPassword Generator
Generate strong, secure random passwords with customizable length and character types.
CalcPassword Strength Checker
Check password strength instantly with entropy analysis, crack time estimate, and detailed criteria breakdown.
CalcImage Compressor
Compress images online for free. Reduce file size while maintaining quality. Supports JPEG, PNG, and WebP formats.
MediaQR Code Generator
Generate QR codes for URLs, text, Wi-Fi passwords, and more. Customize colors, size, and error correction level.
DevBase64 Encoder/Decoder
Encode text to Base64 or decode Base64 to text instantly.
DevColor Picker & Converter
Pick colors and convert between HEX, RGB, HSL, and RGBA formats instantly.
DevWord Counter
Count words, characters, sentences, and paragraphs in your text.
TextUUID Generator
Generate random UUIDs (v4) instantly. Bulk generate up to 100 UUIDs at once.
DevRegex Tester
Test and debug regular expressions with real-time matching and highlighting.
DevURL Encoder/Decoder
Encode or decode URLs and query parameters online.
DevImage Resizer
Resize images online for free. Set exact dimensions, choose output format, and download instantly. No upload to server.
MediaLatest Posts
View AllCSS Specificity Finally Makes Sense: A Practical Guide with Calculator
CSS specificity bugs are some of the most confusing in front-end development. Learn how the (A,B,C) system actually works, why your styles keep getting overridden, and how a specificity calculator can save you hours of debugging.
Markdown TOC Generator: Automatic Table of Contents for Your Docs
Stop writing table of contents by hand. Learn how to auto-generate navigation links for any Markdown document and keep your docs actually readable.
Color Shades Generator: Build a Complete Palette from One Color
Learn how to generate color shades and tints for design systems, Tailwind CSS custom colors, and CSS custom properties from a single base color.