File Timestamp Modifier

Pick one or more files, choose which dates to change (creation, modified, or last accessed), then apply. Presets and batch options speed up bulk edits. All processing stays on your device.

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What gets changed

Files store creation time, last modified time, and last access time. This tool lets you set new values for any of them. Useful when you need to fix dates after a clock drift, organize downloads by a chosen date, or align timestamps across a set of files.

Changes are applied in memory for the session. Actual file system updates depend on your environment and permissions. Back up important files before changing timestamps.

Timestamps in practice

Creation time is when the file was first created. Modified time updates when content changes; backups and sync tools often rely on it. Access time records the last read; some systems limit how often it updates for performance. Use the File Metadata Extractor to inspect current values, or the File Comparison Tool to compare files before and after.