DevNova Tools

A collection of 121+ free browser-based utilities for developers, covering JSON formatting, JWT decoding, regex testing, API debugging, and AI response cleaning. It targets developers, DevOps, and data professionals across companies of all sizes, including freelancers and enterprises. The tools run entirely in the browser with no signup, ensuring privacy and zero friction.

Key features

• JSON formatter and validator
• JWT decoder and generator
• Regex tester and generator
• Base64 encoder/decoder
• Hash generator (MD5, SHA1, SHA256)
• Cron expression builder and tester
• SQL formatter and query explainer
• Dockerfile linter and Kubernetes YAML validator
• Mermaid live editor and diagram builders
• npm and PyPI package search
• Password generator and strength checker
• IP lookup and geolocation
• CORS checker and SSL certificate decoder
• Text diff checker and case converter
• Markdown preview and HTML to Markdown
• cURL to Fetch converter and Git commit builder