Free Online Tools for Developers
Use 90+ tools like JSON formatter, Base64 encoder, and regex tester instantly in your browser.
90+
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20
Languages
100%
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Popular Tools
Base64 Encoder & Decoder Free online tool to encode text or files to Base64 and decode Base64 strings JSON Formatter & Viewer Free online tool to format and beautify JSON data with tree view MD5 Hash Generator Free online tool to generate MD5 hashes from text or files. Pure JS implementation based on RFC 1321 JSON Validator Free online tool to validate JSON strings and pinpoint exact error locations SHA-256 Hash Generator Free online tool to generate SHA-256 hashes from text or files. Supports HMAC-SHA256 and hash verification JSON Diff Free online tool to compare two JSON objects and visualize added, deleted, and changed keys Password Generator Free online tool to generate cryptographically secure random passwords and measure strength JSON to YAML Converter Free online tool to convert between JSON and YAML bidirectionally
Why Dev Patrache?
100% Free
All tools are free to use. No sign-up or payment required.
No Installation
Everything runs in your browser. No software to download or install.
Privacy First
All data processing happens in your browser. Nothing is sent to our servers.
20 Languages
Available in 20 languages for developers around the world.
3 Simple Steps
No complex setup. Just start using.
1
Choose a Tool
Browse categories or search for the tool you need.
2
Enter Your Data
Type your text or upload a file.
3
Get Results
Instantly see the result, then copy or download it.