Unix timestamp converter
Convert Unix seconds or milliseconds to a date, or an ISO date to a timestamp.
Your workspace
On-device processingLoading the tool…
Your files and text are processed in this browser. They are not uploaded to our server. Closing or refreshing the page clears your work.
How to use this tool
- Enter your content or adjust the generator settings.
- Choose the available options, then select Run tool.
- Review the result and download or copy it. Keep your original.
Before you start
Up to 1,000,000 input characters. Base64 and escaping are encodings, not encryption. Hashes cannot be reversed. JavaScript JSON parsing can round integers beyond its safe integer range.
Quick answers
Does this tool send my input to a server?
No. Your input is processed in this browser. Download the result before closing the page; your workspace is not saved to an account.
What should I check before using the result?
Keep the original. Check the output’s content, layout, quality and format before sharing it or using it for important work. Review the limitations above for details.
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