// free-toolEPOCH ⇄ DATE
Paste an epoch timestamp — seconds or milliseconds are auto-detected — and see the date in your local timezone, UTC and ISO 8601. Or pick a date and get its epoch value. A live ticking current-timestamp readout is included for quick copying.
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Values with 13+ digits are treated as milliseconds, 10 digits as seconds (a heuristic that's unambiguous until the year 33658). You can override the detection.
Both — your browser's local timezone and UTC, side by side, plus the ISO 8601 form.
Encode any text to Base64 — Unicode-safe.
Decode Base64 back to readable text instantly.
Percent-encode text for safe use in URLs and query strings.
Decode percent-encoded URLs back to readable text.
Convert text to its hexadecimal byte representation.
Decode hexadecimal bytes back into readable text.
I build fast, privacy-first web applications with Next.js — these converters run entirely in the browser, and yours can too.