RegexKit

What it does

RegexKit is a privacy-first regex tester with real-time match highlighting, a visual drag-and-drop regex builder, and developer utilities like Base64 and URL encoding, hash generation, and text diffing. All processing happens client-side.

Features

• Real-time match highlighting
• Visual regex builder
• Base64/URL encoding
• Hash generation
• Text diffing

Best for

Developers testing regex and string tools.

Shelved under

RegexKit is an independent website. Tools Lib lists it; features and pricing are set by its makers and can change.