Optimize Images
Re-compress images inside PDF
All PDF Tools
Merge, split, compress, convert, edit, secure โ every PDF task, free in your browser
Remove Images
Remove Images
Insert QR Code
Insert QR
Insert Barcode
Insert Barcode
Insert Table
Insert Table
PDF Thumbnail
Generate Thumbnails
PDF Info
PDF Info
PDF Viewer
View PDF
Edit Metadata
Metadata
Compare PDF
Compare PDF
Repair PDF
Repair PDF
E-Signature
E-Signature
What is Optimize Images?
How-to
- 1
Upload file
Select the PDF.
- 2
Quality settings
Choose the image re-compression quality (Low, Medium, High).
- 3
Optimize & Download
Download the optimized PDF.
Frequently Asked Questions
How is this different from standard compression?โผ
Image optimization specifically re-compresses individual images within the PDF, whereas standard compression optimizes the overall file structure.
Does text quality degrade?โผ
No. The text layer is not re-compressed, so quality remains unaffected.
Is the image optimization tool free?โผ
Yes, it is completely free to use without registration or installation.
Are files stored on your server?โผ
No. All processing occurs locally in your browser to ensure complete privacy.
Can I use it on mobile?โผ
Yes, it works perfectly on all mobile and tablet browsers.
Is the output quality maintained?โผ
Yes, we ensure the original text, images, and layout are preserved as much as possible.
Is there a file size limit?โผ
There are no limits as files are not uploaded to a server; processing is limited only by your device's memory.
How long does it take?โผ
Most files are processed in just a few seconds.
Can I download the result multiple times?โผ
Yes, you can download multiple times within your current session.
What if an error occurs?โผ
If the file is damaged or encrypted, please try repairing it first and then try again.
Last updated: June 26, 2026