File Date Changer
Change file creation and modification dates online for free. Modify timestamps on any file type — no software needed. Secure, browser-based processing.
How it works
100% private — all processing happens in your browser.
Drag & drop any files
or click to browse your files
Supports all file types — documents, images, videos, archives, etc.
Maximum: 100 files, 100MB per file
Why Change File Dates?
Organize Files by Date
Fix file sorting when dates got changed by copying, downloading, or transferring between devices
Restore Original Dates
Set files back to their original creation date after editing or batch processing changed timestamps
Document Management
Set consistent dates on documents for archiving, compliance, or version tracking
100% Private
All processing happens in your browser using JSZip. Your files never leave your device
Understanding File Timestamps
| Timestamp | Description | Preserved by ZIP? |
|---|---|---|
| Modification Date | When the file content was last changed | Yes |
| Creation Date | When the file was originally created (OS-specific) | Set to extraction time |
| Access Date | When the file was last opened or read | Set to extraction time |
The ZIP format stores the modification timestamp for each file entry. When you extract the ZIP, the modification date will be set to the date you chose. Creation and access dates are set by your operating system at extraction time.
Common Use Cases
- • Fixing dates on files that lost their timestamps after copying to USB or cloud storage
- • Setting consistent dates on batches of scanned documents
- • Correcting modification dates changed by bulk rename or conversion tools
- • Organizing downloaded files by their actual creation date instead of download date
- • Preparing files for archival with proper date metadata
Discussion
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