Remove all metadata from an image

Image metadata is everything in the file that is not pixels: EXIF (camera, lens, GPS position, timestamps), XMP (editing history, AI-generator tags), IPTC (captions, copyright), ICC (colour profile) and C2PA content credentials. AiPicDetect removes all of them at once by decoding the picture and re-encoding it from the raw pixel buffer, so nothing from the original container is copied.

Why re-rendering beats deleting tags

Tools that strip metadata tag by tag must know every container format, and new ones keep appearing (C2PA manifests live in JPEG APP11 segments, PNG and WebP have their own boxes). AiPicDetect takes the screenshot approach instead: Image.frombytes builds a brand-new image from the pixel buffer alone, the EXIF orientation is applied first so the result looks the same, and the new image is saved to a fresh JPEG, PNG or WebP. Whatever was in the old file cannot survive because it was never read into the new one.

Three steps

1. 01

   검사.

   aipicdetect inspect photo.jpg를 실행하면 파일이 담고 있는 EXIF, XMP, IPTC, C2PA, ICC 블록 목록을 볼 수 있습니다.

2. 02

   제거.

   aipicdetect scrub photo.jpg(또는 POST /scrub)를 실행하세요. AiPicDetect는 픽셀을 디코딩하고 EXIF 방향 정보를 적용한 다음, 원시 픽셀 버퍼로부터 완전히 새로운 이미지를 만듭니다.

3. 03

   확인.

   aipicdetect inspect photo.clean.jpg를 실행하세요. “no metadata signatures found”가 출력되어야 합니다.

Options

aipicdetect scrub photo.jpg                       # writes photo.clean.jpg
aipicdetect scrub photo.png out.webp --format webp --quality 90
aipicdetect batch inbox clean --detect            # whole folder plus an AI-likelihood report

• The output format defaults to the input format; HEIC, TIFF and other inputs become JPEG (or PNG when they have transparency).
• --quality applies to JPEG and WebP (default 95). PNG output is lossless.
• Transparency is kept for PNG and WebP output and flattened for JPEG.

Over HTTP

curl -s -F "file=@photo.jpg" -o photo.clean.jpg "https://aipicdetect.com/scrub"

The response carries an X-AiPicDetect-Removed header naming the blocks found in the upload. POST /analyze does the same and adds an AI-likelihood score and a download link. On the hosted instance uploads are processed in memory only (privacy); for sensitive material, run AiPicDetect locally.

Caveats

• Removing the ICC profile means colour-managed viewers will assume sRGB; for wide-gamut photos convert to sRGB before scrubbing.
• Re-encoding a JPEG is lossy. Use --quality 100 or PNG output if fidelity matters more than size.
• Scrubbing removes provenance for everyone downstream, including C2PA content credentials that prove authenticity. Keep an original if you may need it.

최종 업데이트 2026-09-13 · GitHub에서 소스 보기

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