About Marty's Dev Tools
Marty's Dev Tools is a collection of free, fast utilities for everyday developer tasks. Every tool works entirely in your browser - nothing is sent to a server.
The tools are built with a focus on speed and simplicity. No framework overhead, no sign-up required, no data collection beyond standard web analytics.
If you find a bug or have a feature request, feel free to reach out.
Tools
- JSON Formatter
- Regex Tester
- Cron Builder
- JWT Decoder
- Timestamp Converter
- Base64 Encoder
- Docker Compose Validator
- .env Diff
- UUID Generator
- Colour Converter
- Chmod Calculator
- HTTP Status Codes
- Slug Generator
- Lorem Ipsum
- Flexbox / Grid
- Markdown Preview
- Diff Checker
- YAML / JSON / TOML
- Hash Generator
- Redirect Tester
- SQL Formatter