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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
Pad an image to a target aspect ratio with a solid color, transparent, or blurred background.

Image Pad

Pad an image to a target aspect ratio by adding a solid color, transparent, or blurred background around it. Useful for fitting images into fixed aspect ratios for social media or print without cropping.

API Endpoint

POST /api/v1/tools/image/image-pad

Accepts multipart form data with an image file and a JSON settings field.

Parameters

Parameter	Type	Required	Default	Description
target	string	No	`"1:1"`	Target aspect ratio: `16:9`, `9:16`, `1:1`, `4:3`, `3:4`, or `custom`
ratioW	integer	No	`1`	Custom ratio width (1-100, used when target is `custom`)
ratioH	integer	No	`1`	Custom ratio height (1-100, used when target is `custom`)
background	string	No	`"color"`	Background mode: `color`, `transparent`, or `blur`
color	string	No	`"#ffffff"`	Background hex color (when background is `color`)
padding	integer	No	`0`	Extra padding as percentage of canvas (0-50)

Example Request

curl -X POST http://localhost:1349/api/v1/tools/image/image-pad \
  -H "Authorization: Bearer si_your-api-key" \
  -F "file=@photo.jpg" \
  -F 'settings={"target": "16:9", "background": "blur", "padding": 5}'

Example Response

{
  "jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/photo.jpg",
  "originalSize": 2450000,
  "processedSize": 3100000
}

Notes

The blur background mode creates a blurred copy of the original image as the pad fill, producing a visually cohesive result.
When using transparent background, the output is converted to PNG to preserve alpha.
Output format matches the input format unless transparency is involved. HEIC, RAW, PSD, and SVG inputs are automatically decoded before processing.
Set target to custom and provide ratioW and ratioH for arbitrary aspect ratios (e.g., ratioW: 3, ratioH: 2 for 3:2).

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