🛠️ Free Developer Tools
109+ tools across 16 categories — all running 100% in your browser. No signup, no server calls, no data collection. Just fast, free dev utilities.
Code Formatting & Parsing 10 🔥 HOT
Format, beautify, and validate JSON, XML, HTML, CSS, JS, SQL, YAML, and Markdown.
Encoding & Decoding 9
Encode and decode Base64, URL, HTML entities, Hex, Binary, Unicode, ROT13, and Morse code.
Security & Crypto 10 ⭐ POPULAR
Hash generators, JWT decoder, UUID, password tools, RSA key pairs, TOTP, and more.
Text & String Utilities 8
Convert cases, escape strings, deduplicate, sort, count words, generate slugs, and diff text.
API & Network Helpers 6
Build HTTP requests, convert cURL, look up status codes, parse headers, validate schemas.
Time & Date Tools 5
Convert timestamps, switch timezones, parse cron expressions, calculate date differences.
Frontend & CSS Generators 7 🔥 HOT
Generate CSS gradients, shadows, border radius, flexbox layouts, grids, and color conversions.
Image Tools 7 ✨ NEW
Compress, resize, crop, convert formats, apply filters, and encode images — all in-browser.
Data Conversion 7
Convert between CSV, JSON, XML, YAML, view data as tables, and convert units.
Dev Productivity 7
Generate test data, lorem ipsum, fake users, UUIDs, placeholder images, and color palettes.
Git & Dev Helpers 6
Generate .gitignore, format commits, create branch names, explore git commands.
Regex & Debugging 4 🔥 HOT
Test regex patterns with live highlighting, replace text, escape characters, and reference syntax.
Math & Logic 6
Evaluate expressions, convert number bases, bitwise operations, percentages, and ASCII lookup.
SEO & Web Tools 6 ✨ NEW
Generate meta tags, preview Open Graph cards, create robots.txt, sitemaps, and JSON-LD.
Learning & Playground 5
Run JavaScript, live-edit HTML/CSS, explore JSON trees, visualize sorting, and learn Big-O.
Fun & Viral 6 ⭐ POPULAR
Create code screenshots, get dev quotes, format for SO, generate buzzwords, and more fun tools.
🚀 All Tools Run 100% in Your Browser
No data is sent to any server. No accounts. No tracking. Just fast, private developer utilities. Bookmark this page and share with your team!