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Tools / Background remover
Local AI image processing

Remove backgrounds without uploading the photo to an application server.

A browser-ready BiRefNet model creates an alpha matte locally. First use downloads the model files; output can be transparent or placed on a solid colour.

Remove an image background

Choose a product photo or portraitProcessing stays in this browser; model files are downloaded on first use.

Output settings

Background
First use downloads an approximately 94 MB fp16 model on WebGPU-capable browsers; WASM fallback can use more memory and be slower. The 512×512 inference model can lose very fine edge detail on large originals.

Model and limits

This implementation uses the MIT-licensed studioludens/birefnet-lite-512 browser ONNX export with Transformers.js. Its 512×512 inference resolution is practical for browsers but may soften very fine edges on large source images.

Device behavior

WebGPU is preferred when available; WASM is the fallback. Actual processing time is measured and shown after each run instead of claiming a universal speed. The model is loaded only on this tool page when processing starts.

Keep working

Finish your next image or PDF task without starting over.

Image resizer Set exact pixel sizes, crop, or fit images into a frame.Image compressor Reduce JPG and WebP file sizes while keeping dimensions.Image converter Convert JPG, PNG and WebP with real re-encoding.