Date Format Converter
Free online Date Format Converter. Parse dates from natural language or ISO formats and convert them to standard ISO 8601, UTC, local, and custom date strings. Developer friendly tool.
100% Private (In-Browser)Instant Web Worker SpeedZero Server Upload
Date Format Converter by Privacy-First Toolbox is a 100% free, client-side browser utility. It processes your files locally on your computer or smartphone using HTML5 and Web Workers—zero bytes of your files or data are ever uploaded to any external server.
Supports natural language like "January 1, 2024", ISO "2024-01-01", or timestamps.
2026-10-07T16:45:26.000Z
Wed, 07 Oct 2026 16:45:26 GMT
Wed Oct 07 2026
16:45:26 GMT+0000 (Coordinated Universal Time)
10/7/2026
4:45:26 PM
1791391526
1791391526000
2026-10-07T16:45:26.000Z
Key Features
- Parse natural language dates
- Convert to ISO 8601
- Convert to UTC / GMT
- Convert to Unix Timestamp
- Locale-specific formatting
- Instant copy
Common Use Cases
- Standardize date formats for APIs
- Debug date strings
- Convert timestamps to human text
- Localize dates
Frequently Asked Questions
🔒100% Client-Side: Date conversions run locally in browser with zero network requests.
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