Category
Developer-focused parsers, comparators, and protocol helpers.
Open a focused browser tool first, then keep the full category list below for deeper work.
Decode URL/Base64 payloads, normalize JSON, and inspect timestamps from one debugging workspace.
Convert signed integers between bases 2, 8, 10, 16, 32, and 36 without precision loss.
Decode, build, and verify JWT tokens — entirely client-side (HS256).
Compare, sort, normalize, and bump SemVer versions with correct prerelease precedence.
Test regular expressions with live match highlighting and capture group table.
Parse CRON expressions, describe them in plain language, and preview the next 10 runs.
Paste a base version plus two edits and see conflicts, one-sided changes, and auto-merge candidates.