Developer Tools
Timestamp to Date Converter
Convert Unix timestamps in seconds or milliseconds into readable ISO UTC and local dates directly in your browser.
Use this output for logs, API notes, support tickets, release checks, or timezone handoffs.
Timestamp to date workflow tips
Use this one-way converter when a log line, webhook payload, database row, analytics export, or support ticket gives you a numeric Unix timestamp and you only need a readable date. It is intentionally pasted-input only and does not call an external time API.
Check the unit first
Many APIs use seconds while JavaScript often uses milliseconds. This tool shows the detected unit so you can catch a 1000x timestamp mismatch before sharing the date.
Convert the other direction
Use Date to Timestamp Converter when you need the reverse direction too, including converting a human date back into Unix seconds and milliseconds.
Normalize ISO output
Use ISO Date Converter when a decoded date needs normalized UTC, date-only, RFC 2822, and local display formats for documentation or support notes.
Handoff across zones
Use Timezone Converter after this step when the readable date needs to become a local launch window, support shift time, or regional incident note.
What this tool does
Timestamp to Date Converter detects whether a pasted Unix timestamp is in seconds or milliseconds, then returns ISO UTC, local time, Unix seconds, and Unix milliseconds for debugging logs, APIs, and scheduled events.
Common use cases
Turn Unix timestamps from logs, APIs, database rows, and analytics exports into readable dates before debugging or sharing context.
Use Timestamp to Date Converter when you are working with copied API payloads, logs, encoded values, config snippets, identifiers, or debugging data and need a quick browser-local check before pasting the result into docs, tickets, tests, or another developer tool.
How to use it
- Paste a Unix timestamp such as 1700000000 or 1700000000000.
- Review the detected unit, ISO UTC value, local time, Unix seconds, and Unix milliseconds.
- Copy the result into logs, tickets, release notes, or a timezone handoff.
Example workflow
Copy a small payload or encoded value from an API response, request URL, log line, or config file. Run the focused check here, confirm the output is readable, then continue with related developer data tools such as validation, formatting, decoding, timestamp conversion, or CSV/JSON conversion.
Privacy note
Client-side only: timestamp conversion runs in your browser and is not uploaded, stored, fetched, or logged.
FAQ
Does this timestamp to date converter upload my value?
No. Timestamp parsing runs locally in your browser and does not send pasted values to ClearUtils servers.
Does it support seconds and milliseconds?
Yes. The converter detects likely seconds or milliseconds and shows the detected unit with both Unix seconds and Unix milliseconds output.
Why does the local time differ from the ISO UTC value?
ISO UTC is timezone-neutral. Local time uses your browser timezone, so it may differ from a teammate or server running in another region.
Explore more tools
Browse the Developer Tools hub or continue with the Developer Data Toolkit when this task is part of a larger workflow.