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Developer Tools

Small utilities for the moments between commits: see exactly what changed between two versions, or check a pattern before it ships.

Diff Checker

Compare two texts and highlight every difference.

Regex Tester

Test JavaScript regular expressions with live highlighting.

Which developer tools tool do I need?

Diff CheckerPaste the original and the changed text to see exactly what was added, removed and edited.Regex TesterWrite a pattern and paste test text. Matches and capture groups highlight as you type.

Other categories

Text Tools JSON & Data Convert & Encode Generators Writing & SEO