Tools
Small utilities that run entirely in your browser. No uploads, no trackers, no servers.
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./ base64
Encode and decode Base64 — UTF-8 safe, URL-safe variant, file input.
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./ json
Pretty-print, validate, and minify JSON with precise error locations.
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./ uuid
Generate UUID v4 and ULID identifiers, one or in bulk.
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./ jwt
Decode JWT header and payload locally. Decoding is not verification.
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./ regex
Live match highlighting, capture groups, flags, and replace preview.
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./ exif-stripper
See and strip image metadata (EXIF, GPS) — download a clean copy.
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./ cron
Turn a cron expression into plain language and its next run times.
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./ qr
Create QR codes from text or URLs, download as SVG or PNG.