Free Image Compressor Online
Compress PNG, JPG, and WebP in your browser. Convert formats or aim for a target size. Nothing is uploaded.
MiniFyPNG is a free online image compressor that processes PNG, JPG, and WebP directly in the browser. Keep the original format or convert, then download the result.
Need a folder or a zip of up to 100 images? Bulk Image Compressor
What is an image compressor?
An image compressor shrinks PNG, JPG, or WebP files by changing quality, format, or aiming for a target size. MiniFyPNG’s free image compressor does this in your browser without uploading files for this tool.
How do you compress an image with this tool?
- 1
Add images
Drop PNG, JPG, or WebP files, or choose them from your device. Up to 20 files per batch on this page.
- 2
Choose settings
Set quality, keep or change the output format, and optionally pick a target size.
- 3
Compress
Run compression locally. Progress and errors are shown per file.
- 4
Review results
Compare original and compressed sizes with proportional weight bars.
- 5
Download
Download each result, or clear the list and start again.
Image compressor FAQ
Which formats are supported?
Static PNG, JPG, and WebP. Animated PNG and GIF are rejected with a clear message.
Can I hit a target size?
Yes. Choose a target such as 100 KB. The tool searches quality (and scales if needed) to get as close as possible, and shows the real result.
Are images uploaded?
No. Processing stays in your browser for this tool.
Need a whole folder?
Use Bulk Image Compressor for up to 100 files and a zip download.
Related image tools
- PNG CompressorCompress PNG images in your browser. Preserve transparency, compare real file sizes, and download the optimized PNG. Nothing is uploaded.
- JPG CompressorCompress JPG and JPEG images in your browser with quality control. Measure the real byte savings before you download.
- WebP CompressorCompress WebP images in your browser with quality control. Compare sizes and download the result locally.
- Compress to 100 KBCompress PNG, JPG, or WebP toward 100 KB in your browser using a quality search. See whether the target was met before you download.
- Bulk CompressCompress up to 100 PNG, JPG, or WebP files in your browser, keep folders, and download one zip. Nothing leaves your device.
- Image ResizerCrop, rotate, straighten, and scale PNG, JPG, and WebP in your browser. Auto crop and smart crop stay on your device.