Free tools for developers

Developer Tools, Fast & Free

No login. No ads. No nonsense. Just tools that work.

📦 Data & Formatting
🔧

JSON Formatter

Format and validate JSON instantly in your browser.

🔒

Base64 Encoder / Decoder

Encode or decode Base64 strings with one click.

🔗

URL Encoder / Decoder

Encode special characters in URLs or decode percent-encoded URLs.

🆔

UUID Generator

Generate unique UUIDs for your projects.

✍️ Text Tools
📝

Word Counter

Count words, characters, sentences and paragraphs.

🕐

Timestamp Converter

Convert Unix timestamps to readable dates and back.

📃

Lorem Ipsum Generator

Generate placeholder text for designs and mockups.

🔍

Diff Checker

Compare two pieces of text and spot the differences.

📄

Markdown to HTML

Convert Markdown to clean HTML instantly with preview.

💻 Developer Utilities
⚙️

Regex Tester

Test and debug regular expressions in real time.

🔑

JWT Decoder

Decode and inspect JWT tokens instantly.

🔐 Security & Crypto
🔐

Password Generator

Generate strong random passwords with custom options.

#️⃣

Hash Generator

Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes.

🎨 CSS & Color
🗜️

CSS Minifier

Minify CSS to reduce file size instantly.

🎨

Color Converter

Convert between HEX, RGB, and HSL color formats.

🛠️ Code Formatters
🌐

HTML Formatter

Format and beautify HTML code with proper indentation instantly.

CSS Beautifier

Convert minified CSS to readable formatted code instantly.

📊 Data Tools
🔄

JSON to CSV

Convert JSON arrays to CSV format. Download as a file instantly.

🧹

Remove Duplicate Lines

Remove duplicate lines from any list. Sort and trim options included.

🔤

Text Case Converter

Convert text between camelCase, snake_case, Title Case and more.

🔧 Utilities
📱

QR Code Generator

Generate QR codes for URLs, text, WiFi, email and more. Download as PNG.

🔢

Number Base Converter

Convert between binary, decimal, octal and hexadecimal instantly.

📏

String Length Counter

Count characters, bytes, words and lines. Check against any limit.

🔣

HTML Entity Encoder

Encode special characters to HTML entities and decode them back.

Cron Expression Generator

Build cron schedules visually with plain English explanation.

JavaScript Minifier

Minify JavaScript to reduce file size. Removes comments and whitespace.

🔄

XML to JSON

Convert XML documents to clean JSON format instantly.

YAML Validator

Validate YAML and see the parsed structure as JSON instantly.

🤖

Robots.txt Generator

Generate a robots.txt file for your website with presets and download.

🌐

HTTP Status Codes

Complete reference of all HTTP status codes with descriptions. Searchable.