Adjust JPEG or WebP quality and compare image sizes and previews before downloading.
Output retains decoded pixel dimensions. WebP supports transparency; JPEG fills transparent areas with white. Animated sources become a still image. Metadata can be removed. The source file stays on your device; site scripts and libraries still make network requests.
Try 80% quality on a photograph and compare details at the intended display size before reducing quality further.Compression is lossy and savings are not guaranteed. Dimensions are retained; metadata and animation can be lost. JPEG fills transparency with white. Browser encoding support varies and large images consume memory.
The tool's browser code handles entered text or selected files locally. Optional URL imports and external resources can make network requests. This website also uses third-party scripts, including analytics and advertising. Read the privacy policy and use sample data when testing sensitive workflows.
Found a problem? Report a tool issue with the browser version and steps to reproduce it. Avoid sending private document content or credentials.
No. An already optimized input can produce larger output.
No. JPEG uses a white background here. Choose WebP for transparency and inspect the result.
Browser APIs decode and encode the selected image locally. Site scripts still make network requests, but this compressor does not upload your image.