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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
Swap the audio track of a video with another file.

Replace Audio

Swap the audio track of a video with an audio file. Upload both a video and an audio file.

API Endpoint

POST /api/v1/tools/video/replace-audio

Accepts multipart form data with exactly two files: a video file followed by an audio file.

Parameters

This tool has no settings parameters. Upload a video file and an audio file as two file parts.

Example Request

curl -X POST http://localhost:1349/api/v1/tools/video/replace-audio \
  -H "Authorization: Bearer si_your-api-key" \
  -F "file=@clip.mp4" \
  -F "file=@voiceover.mp3"

Example Response

{
  "jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/clip.mp4",
  "originalSize": 12500000,
  "processedSize": 13100000
}

Notes

Exactly two files must be uploaded: the first must be a video, the second must be an audio file.
If the audio file is longer than the video, it is trimmed to match the video duration. If shorter, the remaining video plays in silence.
The video stream is copied without re-encoding, so there is no video quality loss.

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