Unix Timestamp Converter — Epoch to Date Online

Logs, APIs, and databases love Unix timestamps — opaque integers like 1717200000. When debugging, you need human-readable dates fast.

What is a Unix timestamp?

Seconds (or milliseconds) since January 1, 1970 UTC. Common in:

• JWT exp and iat claims (decode with JWT Decoder)
• API responses and webhook payloads
• Log lines from Java, Node, and Python
• Cron debugging alongside Cron Generator

Convert timestamps in your browser

The VyomaStack Timestamp Converter:

1. Paste a timestamp → get local, UTC, and ISO 8601 dates 2. Pick a date → get Unix seconds or milliseconds 3. Click Now for the current epoch time 4. Auto-detects 10-digit (seconds) vs 13-digit (milliseconds)

Seconds vs milliseconds

Mixing them up is a common bug — this tool detects automatically.

Debugging tips

• Compare JWT exp with Now to see if a token expired
• Use ISO 8601 when filing tickets or writing runbooks
• For log correlation, convert to UTC to match server logs

Related tools

• JWT Decoder — inspect exp and iat claims
• Log Analyzer — parse error logs with timestamps

Try it free

Convert epoch timestamps instantly — browser-local, no login.