Privacy-First
Developer Tools
Every tool runs entirely in your browser. No servers, no logs, no telemetry. Your data never leaves your device.
/tools/ and /legal-pdf-stamper/ so no third-party script is loaded while you're handling sensitive data.
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Log Sanitizer
Remove emails, IPs, API keys and JWTs from logs before sharing with ChatGPT or StackOverflow.
GDPR SafePython Log Cleaner
Sanitize Python tracebacks. Removes file paths, Django SECRET_KEY and API tokens.
Django & FlaskJWT Decoder
Decode and inspect JSON Web Tokens without sending them to a third-party server.
HS256 & RS256SQL Formatter
Beautify ORM-generated SQL. MySQL, PostgreSQL, T-SQL, Oracle and SQLite supported.
5 DialectsText Diff
Compare any two blocks of text line by line — code, logs, config files, plain text.
Any FormatJSON Diff
Semantic JSON comparison — key order ignored, nested changes shown precisely.
SemanticRegex Tester
Test regular expressions live with match highlighting, capture groups and flag toggles (g/i/m/s/u/y). All client-side.
All FlagsLegal PDF Stamper
Free Bates numbering for attorneys and paralegals. Batch, preview, fully client-side.
FRCP CompliantPrivacy Verifier
Prove for yourself that our tools make zero network requests during processing.
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100% Private
All processing in your browser. Zero server uploads, zero telemetry.
Instant Results
No server round-trips. Runs at native browser speed.
Free Forever
No account, no limits, no subscription required.