JSON Formatter
Format or validate JSON.
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Regular Expression Tester
Test JavaScript regex patterns and replacements with a bounded worker.
Processed in your browser. Input and output are not uploaded. Maximum combined input: 1,000,000 UTF-8 bytes; output: 4 MiB.
How to use and limits
Paste input, choose settings and select test expression. Review your result before copying, downloading or continuing in another tool.
Related tools
Continue with another tool. Choose whether to bring your result, your original data, or start without carrying data.
XML Formatter
Format or validate XML.
Open toolText Comparison
Compare two texts by lines or words and inspect changes.
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