JSON Formatter
Format, validate and auto-fix broken JSON
OpenRegex Tester
Test regular expressions with live match highlighting
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Tool coming soon
We’re putting the finishing touches on Regex Tester. Check back shortly — it’s next up in our Phase 1 rollout.
About Regex Tester
Test regular expressions with live match highlighting
Frequently asked questions
Is Regex Tester free to use?
Yes. Every tool on ToolkitDesk is 100% free, works in your browser, and requires no signup.
Does my data leave my device?
No. This tool runs entirely in your browser — nothing is sent to a server.