All-in-One Developer Utilities & Syntax Sandbox
Side-by-side text/code diffing, JSON syntax validation/formatting, regex sandbox, and JWT token decoder.
Instant Launch in Browser
Zero installation required • Private client-side execution
Core Capabilities
🔍 Side-by-Side Diff
Highlight character and line additions, deletions, and modifications.
{ } JSON Formatter
Prettify, minify, and validate JSON payloads with instant error detection.
🔑 Zero-Leak JWT Decoder
Inspect JWT claims, headers, and expiry timestamps without server logging.
How It Works
Select Developer Tool
Choose between Diff Checker, JSON Validator, Regex Sandbox, or JWT Inspector.
Paste Code / Payload
Enter code snippets to inspect syntax, tokens, or differences.
Copy Formatted Result
Export formatted outputs with 1-click clipboard copying.
Frequently Asked Questions
Q: Can I safely inspect production JWTs?
Yes! DevForge never transmits tokens to any server; decoding is purely client-side.
Q: Does the regex tester support capture groups?
Yes, it highlights named and numbered regex capture groups in real-time.
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