Futurvion Developer ToolsA little less busywork.
Free Developer Tools. Fast, Simple, Private.
Format, decode, validate, and debug everyday developer data directly in your browser. No account, payment, or API key required.
6 tools - Free - No Login Required
JSON Formatter
Format, minify and validate JSON with a readable side-by-side workspace.
Open toolJWT Decoder
Inspect token headers, payloads and time claims locally. No signature verification.
Open toolCron Expression Helper
Build common schedules and check five-field cron expressions.
Open toolRegex Tester
Test JavaScript patterns, highlight matches and inspect capture groups.
Open toolBase64 Converter
Encode and decode UTF-8 text, including Unicode characters.
Open toolAPI Response Formatter
Make pasted JSON responses readable, with optional response metadata.
Open toolYour data is your working material.
All six tools process content in this browser. We do not save tool inputs, outputs, or usage history. Refreshing or leaving a tool clears its workspace. Ordinary hosting requests can still include network metadata.
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