Optimize large PDFs

Optimize large PDFs online

Smart image down-sampling for fast sharing.

Drop your file in the tool below or choose it from your device to start.

No sign-up No watermark Runs in your browserFree for personal use1 file | up to 200 MB
Your file is processed on your device in this browser session. PDF me does not upload it to a processing server.
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No sign-up No watermark Runs in your browser Free for personal use
01
Upload
Drop in one or many files.
02
Optimize large PDFs
Smart image down-sampling for fast sharing.
03
Download
Save back to your device, Drive or Dropbox.
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Optimize large PDFs for fast web loading, archiving or high-quality print.

Optimize large PDF files for fast web loading, high-quality printing, or long-term archival. Linearize and strip metadata instantly. Free, browser-based PDF optimizer. No account, no watermark, runs in your browser.

Linearize a PDF so it loads the first page immediately in a browser or viewer.

Strip redundant metadata and embedded thumbnails to cut file size significantly.

Prepare documents for long-term archiving with a single click.

Is Optimize large PDFs free to use?

Yes. Optimize large PDFs is free for personal use, does not require an account and does not add a watermark to your exported PDF.

Are my files safe in Optimize large PDFs?

Current live tools process files in the browser. Some tools use local browser workers or WebAssembly modules, but the document still stays on your device.

Can I use Optimize large PDFs on mobile?

Yes. The tool works in modern mobile and desktop browsers, so you can upload, adjust and download PDFs without installing a desktop app.

Related guides

Learn more about this PDF tool

Open a focused guide for your document task, requirements or privacy needs.

Optimize PDF for WebOptimize a PDF for web viewing and browser delivery. Prepare large files for smoother online sharing.Optimize PDF for EmailOptimize a PDF for email sharing. Prepare large attachments before sending or compress when size matters.Optimize Scanned PDFOptimize scanned PDFs for sharing and viewing. Prepare image-heavy scans before upload, email or archiving.Optimize PDF with ImagesOptimize image-heavy PDFs for sharing, web viewing and upload without starting with aggressive compression.