Compress JPEG, PNG, and WebP images in your browser. Choose an output format and quality, compare file sizes, then download.
or click the button below to browse from your device
Smaller image files can reduce page weight and help pages load faster. Our free image compressorlets you re-encode photos and compare the resulting file size before downloading. Results vary by image, format, and quality setting. It is useful for web developers, photographers, and social media managers who want to prepare images for upload.
Add JPEG, PNG, or WebP images in the upload area
Choose JPEG, PNG, or WebP output and adjust quality for JPEG or WebP
Start processing and compare the output file sizes
Download the results individually or together
The tool uses your browser’s Canvas API to re-encode each image in the selected output format. File-size savings depend on the original image, output format, and quality setting. The file is processed on your device.
Yes. No account or watermark is required. You can add multiple images in one batch; each file is subject to the size limit shown in the upload area and your device’s available memory.
You can select JPEG, PNG, or WebP as the output format. Choose the format that fits your use case; transparency is retained when you export as PNG.
There is no guaranteed reduction. JPEG and WebP quality settings can make files smaller, but lower quality can reduce detail. An already optimized image may stay the same size or become larger after conversion.
Absolutely. All image processing happens directly in your browser. Your images are never uploaded to our servers. Once you close the browser tab, all data is gone.
Yes. Add multiple images to one batch. They are processed one at a time in your browser, then you can download them individually or together.
Optimized images can reduce the bytes your page transfers. The effect on loading and search visibility depends on the rest of your site.
Most email providers cap attachments at 10–25 MB. Compress images to stay under the limit and deliver reliably.
Instagram, Facebook, and WhatsApp re-compress uploads. Pre-compressing avoids double quality loss.
Compress a photo library before uploading to Google Drive or iCloud to save GB of free storage.
GenZDoc Editorial Team
Tool behavior and limitations are described on this page.