Smart Image Compressor
Compress JPG, PNG, and WebP images privately, right in your browser. Reduce file size up to 80% with visual quality controls.
Choose JPG, PNG, or WebP Files or Drag & Drop Here
Supports single or batch images up to 50MB per file
How to Compress Images Online
Follow these 3 simple steps to compress JPG, PNG, and WebP images directly inside your browser with 100% privacy.
Upload Images
Drag and drop your JPG, PNG, or WebP images into the upload dropzone.
Set Compression Quality
Adjust the quality slider to balance visual resolution and file size reduction.
Download Images
Download optimized images individually or save all in a single ZIP archive.
Frequently Asked Questions (FAQ)
Are my image files compressed privately?
Yes. All compression runs locally inside your web browser using HTML5 Canvas. Your images are never uploaded to any remote server.
What image formats are supported?
We support JPG, JPEG, PNG, and WebP images up to 50MB per file.
How much file size can I save?
Depending on original format and quality settings, file sizes can be reduced by 50% to 80% with minimal visible difference.
Is there a limit on conversions?
No limits! Compress as many images as you need with zero registration required.
Getting Better Results From the Compressor
This tool re-encodes each image at the same pixel dimensions and only changes the compression level. That makes the slider easy to reason about, but it also means a few things behave differently depending on the file you start with.
Which setting to start with
- 75% (Balanced) is a sensible first try for photos headed to a website, an email or a chat message. Compare the result with the original before you commit to anything lower.
- 95% (High Quality) suits images you will edit again or print, where repeated recompression would show up.
- 10% (Max Compression) leaves visible blocky artifacts on most photos. It can be acceptable for a throwaway thumbnail, but check smooth gradients such as sky and skin first.
Format matters more than the slider
JPG and WebP are lossy formats, so the quality slider directly changes their size. PNG is lossless. Browsers generally ignore a quality value for PNG, so a screenshot or logo saved as PNG may shrink only a little, or not at all. If a PNG is a photograph, converting it to JPG or WebP will save far more than any compression setting. Our PNG to JPG converter and WebP converter handle that.
If the file is still too large
Compression alone cannot fix an image that has far more pixels than it needs. A 6000-pixel-wide photo shown in a 1200-pixel column carries about 25 times the pixels the page can display. Shrink the dimensions first with the image resizer, then compress. Doing it in that order usually gives a smaller file at a higher quality setting than compressing the full-size original.
Common problems
- The new file is larger than the original. This happens when the source was already well optimized. Keep the original and skip that file.
- Transparent areas turn white. JPG has no transparency, so transparent regions are filled with white. Use PNG or WebP if you need to keep them.
- Repeated compression looks worse each time. Always compress from the original, not from a file you already compressed.