Batch Timestamp Converter

Convert multiple Unix timestamps at once from text lists or CSV files

Timestamp
Unix
Batch
CSV
UTC

Input Data

Enter one timestamp per line. Empty lines will be ignored.

Conversion Options

About This Tool

The Batch Timestamp Converter allows you to convert multiple Unix timestamps at once. You can input timestamps as a list of text or upload a CSV file and select which columns contain timestamps.

Features:

  • Convert timestamps from text lists or CSV files
  • Support for both seconds and milliseconds
  • Multiple output formats: UTC, local timezone, relative time
  • Customizable timezone selection
  • Download results as CSV file
  • Validation and error reporting

Supported Formats:

  • Unix timestamps in seconds (e.g., 1609459200)
  • Unix timestamps in milliseconds (e.g., 1609459200000)
  • CSV files with timestamp columns
  • Text lists with one timestamp per line

All processing happens in your browser - no data is sent to servers.

Examples

Common Unix Timestamps (seconds):

1609459200Jan 1, 2021 00:00:00 UTC
1640995200Jan 1, 2022 00:00:00 UTC
1672531200Jan 1, 2023 00:00:00 UTC

Sample Text Input:

1609459200
1640995200
1672531200
1704067200