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Rename by date and time (batch)

Rename multiple photos at once using flexible patterns with dates, sequences, and filenames.

Overview​

The Batch Rename feature allows you to rename multiple photos in one action using a customizable pattern. You can preview the result before applying changes, catch errors early, and reuse previously used patterns.

Key benefits

  • Preview before rename
  • Flexible pattern syntax
  • Automatic sequence numbering
  • Recent patterns saved locally
  • Fully localized & accessible
  • Dark mode & mobile-friendly

How to Use​

1. Select Photos​

Select one or more photos in the archive.

2. Open Batch Rename​

Open the More menu and choose Rename by date and time.

The option only appears when files are selected and is disabled in read-only mode.

3. Enter a Rename Pattern​

Enter a rename pattern using placeholders (see below), or select one from Recent patterns.

Example:

{yyyy}{MM}{dd}_{filenamebase}.{ext}

4. Preview​

Click Preview to see how files will be renamed.

  • Only the first few and last items are shown
  • Errors are highlighted per file
  • No changes are made yet

5. Rename​

If no errors are found, click Rename to apply the changes.

Rename Pattern Syntax​

Patterns consist of placeholders that are replaced per file.

Date & Time​

PlaceholderDescription
{yyyy}4-digit year
{MM}Month (01–12)
{dd}Day (01–31)
{HH}Hour (24h)
{mm}Minutes
{ss}Seconds

Filename​

PlaceholderDescription
{filenamebase}Original filename (without extension)
{ext}File extension

Sequence​

PlaceholderDescription
{seqn}Sequence number

Examples​

Date-based​

{yyyy}{MM}{dd}_{filenamebase}.{ext}

Result

20240115_photo.jpg

Preview & Errors​

  • Each file is validated during preview
  • Errors are shown inline per file
  • Renaming is blocked until all errors are resolved

Common errors:

  • Invalid pattern
  • File not found
  • Permission issues

Recent Patterns​

  • Stored automatically after a successful rename
  • Maximum of 10 patterns
  • Saved in browser LocalStorage
  • Accessible via the dropdown in the modal