RawTool

Free Online Developer Tools

A collection of powerful, privacy-focused tools that run entirely in your browser. No data is sent to any server.

Privacy First
All processing happens in your browser. Your data never leaves your device.
Completely Free
All tools are free to use with no registration required.
Lightning Fast
Optimized for performance with instant results.

Popular Tools

AI

AI DevBench
AI
A local AI prompt development and API debugging environment. Test LLM APIs with streaming support.
AI Token Counter
AI
Calculate tokens and estimate costs for LLM APIs. Support multiple encodings and custom pricing.

Developer

JSON Formatter
Developer
Format, validate, and beautify JSON data with syntax highlighting.
Base64 Converter
Developer
Encode and decode text or files to Base64 format.
URL Encoder/Decoder
Developer
Encode and decode URL components and query parameters.

Image

Image Compressor
Image
Compress images without losing quality. Supports JPG, PNG, WebP.

Text

Markdown Preview
Text
Live preview of Markdown with syntax highlighting.
Text Diff
Text
Compare two texts and highlight differences.

Converter

Timestamp Converter
Converter
Convert between Unix timestamps and human-readable dates.
Color Converter
Converter
Convert between HEX, RGB, HSL, and other color formats.

Security

UUID Generator
Security
Generate random UUIDs/GUIDs in various formats.
Hash Generator
Security
Generate MD5, SHA-1, SHA-256, and other hash values.