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JSON to CSV Converter
Convert JSON arrays to CSV and CSV to JSON instantly in your browser. Download CSV files with one click.
Convert Unix timestamps to readable dates and convert dates back to epoch seconds or milliseconds.
Current timestamp
Seconds
0
Milliseconds
0
Local time
Enter a timestamp to see the local date and time.
UTC time
UTC output will appear here.
ISO 8601
ISO output will appear here.
Seconds
0
Milliseconds
0
How to use
Unix timestamps appear everywhere in software systems because they offer a simple numeric way to represent dates and times. You will see them in APIs, databases, server logs, analytics exports, queue payloads, and scheduling tools. The downside is that raw epoch values are not easy to read quickly, especially when you are switching between seconds and milliseconds. This converter solves that problem by translating numeric timestamps into local time, UTC, and ISO output while also handling the reverse workflow from date picker back to timestamp.
A dedicated timestamp converter is especially helpful when troubleshooting timezone issues or validating whether an event happened when you expect. Showing multiple date formats on one screen makes it easier to compare application logs with browser times, server output, or documentation examples. Because the page also gives you fresh live timestamps, it doubles as a quick reference for testing webhooks, database inserts, signed URLs, and expiration logic. Everything stays client-side, so you can work through date math in the browser without external utilities.
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