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Compression Settings
Compression Complete!
Compress JPG, PNG, or WebP images to reduce file size while keeping good quality.
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JPG, PNG, WebP · Multiple supported
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Compression Complete!
Large image files can slow down websites, exceed email attachment limits, and take up unnecessary storage space. Compressing images reduces file size while maintaining good visual quality, making them easier to upload, share, and store.
PDFly compresses images directly in your browser, so your files never leave your device. There's no account to create, no watermark, and no software to install. It works on Windows, Mac, Linux, Android, and iPhone using any modern browser.
Tips for best results
Limitations & when not to use this tool
Reduce JPG, PNG, and WebP image file sizes before uploading or adding images to documents.
Useful for websites, email attachments, PDF creation, scanned documents, and storage optimization.
Use the smallest practical file size while keeping text and important details readable.
Want a step-by-step walkthrough? Read the Image Compressor guide.
Explore the pdf conversion tools for more related tools.
Will image quality decrease?
Compression reduces file size while preserving as much quality as possible. Higher compression levels may result in some visible quality loss.
Which image formats are supported?
Common formats such as JPG, PNG, and WebP are supported, depending on the selected compression options.
Can I compress multiple images together?
Yes. You can process multiple supported images in one session to save time.
Does compression change image dimensions?
Not unless you choose a resize option. Standard compression only reduces file size.
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Common workflow