DeveloperLocal processing
Timestamp Converter
Output ISO, UTC, relative time, and more formats
Timestamp
Date & Time
About This Tool
Timestamp Converter is a free online tool. Convert Unix timestamps and dates All processing runs locally in your browser — files are never uploaded to any server, keeping your data private.
Use Cases
- Format JSON, YAML, TOML, SQL, and XML for API debugging
- Encoding, hashing, JWT decode, AES crypto, and security tasks
- Regex, JSONPath, IP, Cron, and other developer utilities
- Run locally — configs and secrets never leave your device
How to Use
- Step 1
Enter a timestamp or pick a date/time
- Step 2
Choose seconds or milliseconds
- Step 3
Auto-convert to all formats
- Step 4
One-click copy of any result
Frequently Asked Questions
- Is Timestamp Converter free?
- Yes, completely free with no registration required and no usage limits.
- Are my files uploaded to a server?
- No. Timestamp Converter processes everything locally in your browser. Your data never leaves your device or gets uploaded to any server.
- Which browsers are supported?
- Chrome, Firefox, Safari, Edge, and other modern browsers. We recommend using the latest version for the best experience.
- How do I use Timestamp Converter?
- 1. Enter a timestamp or pick a date/time 2. Choose seconds or milliseconds 3. Auto-convert to all formats 4. One-click copy of any result