Fast, private utilities for everyday work
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Format or minify JSON with clear error hints.
Test patterns live with capture groups.
Convert Unix time and ISO-8601 with time zones.
Inspect JWT header and payload (signature not verified).
JSON, regex, hash, JWT, and conversion utilities.
Merge, split, compress, and convert documents.
Resize, compress, and work with QR codes.
Diff, case conversion, Markdown, and placeholders.
URL encoding, timestamps, Base64, and more.