Test regular expressions with live match highlighting and capture groups.
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ASCII / Char Code Viewer
Paste a string to see each character with its numeric code point underneath.
Diff Viewer
Compare two blocks of text and see additions and deletions highlighted.
Mermaid Viewer
Open or drop Mermaid files to view diagrams, zoom in, and edit their source locally.
App Icon Bundle
Generate a complete Xcode asset catalogue and Expo Android icons from one image.