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Choose a supported image.
Image Compressor
Resize and encode an image with an actual size comparison.
Local processing. Application guards: 15 MiB, 16 megapixels and 16,384 pixels per side. Animated images and SVG are unsupported.
Last reviewed: · Testing methodology
Use this in a task
Choose a task to see when this tool helps and which steps you can skip.
Choose a Document Task →How to use
Decode JPEG, PNG or still WebP, choose format, quality and scale, then compare the actual exported size.
Set options
Set format, quality and scale, then compress.
Use the result
Compare actual bytes and download the image.
Examples and checks
Worked example
Use the settings below and inspect the saved result.
- Input
- 640 × 400 JPEG, JPEG output at 80% quality and 100% scale
- Output
- A decoded 640 × 400 JPEG; actual original and saved byte sizes are shown
Limits and questions
Inputs are processed in your browser. Analytics and advertising can make separate network requests.
Supported behavior
Decode JPEG, PNG or still WebP, choose format, quality and scale, then compare the actual exported size.
Limits and review
15 MiB, 16 megapixels and 16,384 pixels per side. Smaller output is not guaranteed. PNG ignores lossy quality settings; image metadata is omitted.
Verification
Review record: 2026-08-26. See the documented behavior and limitations above, and the testing standards for the scope of review.
Testing methodologyWhen to use another workflow
Use a dedicated encoder such as Squoosh or ImageMagick for metadata control, animation, reproducible codec settings, or large batches.
Frequently asked questions
- What are the limits?
- 15 MiB, 16 megapixels and 16,384 pixels per side.
- What should I check before using the output?
- Smaller output is not guaranteed. PNG ignores lossy quality settings; image metadata is omitted.