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SnapOtter/apps/docs/tools/image/bulk-rename.md
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SnapOtterandGitHub 00b651c9f8 feat(i18n): 21-language pipeline, landing/docs/API wiring, landing+API translations
Shared Claude Code translation pipeline (scripts/i18n, no API key) plus Astro/VitePress/Scalar i18n wiring. Landing and API reference translated into all 20 languages; docs i18n wiring + English source anchors. The translated docs markdown (apps/docs/<locale>/**, 3,620 files) follows in a companion PR because it exceeds GitHub's per-PR CI file limit.
2026-07-11 13:01:55 +08:00

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description
description
Rename multiple files using a pattern template and download as ZIP.

Bulk Rename

Rename multiple files using a pattern template with placeholders for index, padded index, and original filename. Returns a ZIP archive containing all renamed files.

API Endpoint

POST /api/v1/tools/image/bulk-rename

Accepts multipart form data with multiple files and a JSON settings field.

Parameters

Parameter Type Required Default Description
pattern string No "image-{{index}}" Naming pattern with placeholders (max 1000 characters)
startIndex number No 1 Starting index number

Pattern Placeholders

Placeholder Description Example
{{index}} Sequential number starting from startIndex 1, 2, 3
{{padded}} Zero-padded sequential number 01, 02, 03
{{original}} Original filename without extension photo, IMG_001

The original file extension is always preserved.

Example Request

curl -X POST http://localhost:1349/api/v1/tools/image/bulk-rename \
  -H "Authorization: Bearer si_your-api-key" \
  -F "file=@photo1.jpg" \
  -F "file=@photo2.jpg" \
  -F "file=@photo3.jpg" \
  -F 'settings={"pattern": "vacation-{{padded}}", "startIndex": 1}'

This produces: vacation-1.jpg, vacation-2.jpg, vacation-3.jpg

Using original filename:

curl -X POST http://localhost:1349/api/v1/tools/image/bulk-rename \
  -H "Authorization: Bearer si_your-api-key" \
  -F "file=@IMG_001.jpg" \
  -F "file=@IMG_002.jpg" \
  -F 'settings={"pattern": "2024-trip-{{original}}-{{index}}"}'

This produces: 2024-trip-IMG_001-1.jpg, 2024-trip-IMG_002-2.jpg

Example Response

The response is a ZIP file streamed directly (not a JSON response). The response headers are:

Content-Type: application/zip
Content-Disposition: attachment; filename="renamed-a1b2c3d4.zip"

Notes

  • This tool does not process images. It only renames files and packages them into a ZIP archive.
  • The zero-padding width for {{padded}} is determined automatically based on the total number of files (e.g. 100 files would use 3-digit padding: 001, 002, etc.).
  • File extensions are preserved from the original filenames.
  • Filenames are sanitized to remove unsafe characters.
  • At least one file must be provided.