4 Validation Tools
Validators & Testers
Test regex patterns, decode JWT tokens, compare text differences, and validate data. All tools run locally with complete privacy.
Regex Tester
Test regular expressions with real-time matching, capturing groups, and flags support. Includes common pattern library.
Live
Testing
Flags
Groups
Pattern
Library
JWT Decoder
Decode and inspect JSON Web Tokens. View header, payload, and verify token expiration without sending data to servers.
Header
Payload
Expiration
Claims
Diff Checker
Compare two texts side-by-side with highlighted differences. Support for ignoring whitespace and case sensitivity.
Side-by-Side
Highlighting
Statistics
Image Compressor
Compress and optimize images locally without uploading. Support for JPEG, PNG, WebP with quality control.
JPEG
PNG
WebP
Quality