Utilities for coding and debugging.
UseDaily provides a suite of free, client-side developer tools to help you debug, format, and convert data instantly. From JSON formatting and JWT decoding to UUID generation and Regex testing, everything runs securely in your browser.
Select a tool from the top navigation bar. Paste your input into the left panel (or top panel on mobile), and the processed output will appear instantly. Use the copy button to grab the result.
Validate and beautify minified JSON data instantly.
Decode JSON Web Tokens to view claims without a secret key.
Test regular expressions against text in real-time.
All processing happens in your browser. Your data is never sent to any server.