Timestamp Converter Online
Timestamp Converter
Convert Unix timestamps to human-readable dates and parse readable dates back to Unix values.
Timestamp Converter Online workspace
Loading interactive tool...
Convert Unix epoch timestamps to readable dates and back—useful for JWT exp claims, logs, and API debugging.
Related developer tools
Encoding & URLs
Continue your workflow with these free utilities on conversion tools and adjacent tasks—all browser-based, no upload required.
- JWT decoder onlineDecode JWT headers and payloads, inspect claims, and review token timestamps locally.
- UUID generator onlineGenerate UUID v4 values in batches for seeds, fixtures, IDs, and test data.
- JSON formatter onlineFormat raw JSON, validate syntax, and pretty-print structured data instantly in your browser.
- JSON to TypeScript interface generatorConvert sample JSON into TypeScript interfaces for faster API typing and frontend scaffolding.
- Base64 encoder onlineEncode plain text to Base64 or decode Base64 payloads instantly with UTF-8 support.
How it works
- 1Enter either a Unix value or a human-readable date and the tool resolves both formats.
- 2Seconds and milliseconds are detected automatically to reduce formatting mistakes.
- 3The result includes ISO output and localized date formatting for quick debugging.
Examples
Inspect an expiration claim
1715619600
When to use this tool
- Decode exp and iat values from JWT payloads.
- Convert log timestamps to local time zones.
- Generate epoch values for test fixtures.
Frequently asked questions
Does this support seconds and milliseconds?
Yes. The tool detects whether your value is in seconds or milliseconds automatically.
What date formats can I enter?
You can paste Unix numbers or human-readable date strings supported by the browser Date parser.
Is timezone handled?
Output includes localized formatting based on your browser timezone settings.