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Remove AI labels and other metadata

PicBrewery removes AI labels and the rest of the file metadata. It decodes an image to pixels and writes a new JPEG, PNG, WebP or AVIF in your browser. The color profile stays.

How to remove AI labels and metadata

1. Open PicBrewery.
2. Drop a JPG, PNG, WebP, AVIF, BMP or SVG onto the upload area.
3. PicBrewery re-encodes JPEG, PNG, WebP and AVIF from the pixels. Compare sizes and pick any column.
4. Download that file, or use Download all as ZIP for a batch. The original file on your disk is unchanged.

Labels stored in the file

These blocks live next to the pixels. The downloaded file is encoded from pixels only, then a color profile is attached, so the blocks below are absent from the result.

• C2PA / Content Credentials. A signed manifest that the image was created or edited with AI. JPEG stores it in an APP11 segment, PNG in a caBX chunk, AVIF in container boxes. ChatGPT, DALL·E, Adobe Firefly and other tools that embed this manifest lose it on re-encode. A separate .c2pa file sitting next to the image is not part of the upload.
• IPTC Digital Source Type inside XMP. Values such as trainedAlgorithmicMedia and compositeWithTrainedAlgorithmicMedia. Typical of Photoshop Generative Fill and Firefly.
• XMP. An XML packet with the generator name and edit history. JPEG APP1, PNG iTXt, a WebP XMP chunk, or an AVIF item.
• EXIF. Software, Artist, ImageDescription, UserComment, plus GPS and dates. Often how Midjourney and some Stable Diffusion JPEG exports are marked.
• PNG text chunks tEXt, iTXt and zTXt. The parameters key (sometimes prompt, workflow or Comment) holds the prompt, seed and model from Automatic1111, ComfyUI, Forge, InvokeAI and Fooocus.
• JPEG COM. A text comment segment.

The ICC color profile is not an AI label. PicBrewery copies an embedded profile from JPEG, WebP and AVIF back into the output. If the source had none, it adds a small sRGB profile.

Invisible watermarks in the pixels

Google SynthID, used by Gemini and Imagen, is written into the pixels and is built to survive compression, cropping and filters. Re-encoding does not target it. The same applies to other invisible watermarks that are not a separate file tag.

Visible marks and traces outside the file

A corner logo, a visible Midjourney mark, or text drawn on the picture stays: those are pixels. The file name, Google “About this image”, and reverse-image search live outside the file.