Compress PDF
Attempt lossless structural optimization and review the measured result. A smaller output is not guaranteed.
Drag & drop your PDFs here
or click to browse your files
Max 100 MB per file
Select a PDF file to compress
Capabilities and limits
- Accepts
- Produces
- Optimized PDF
- Limits
- 100 MB per file; A smaller output is not guaranteed
What happens to your document
- 1. Browser inputYour browser reads the file you select. Document bytes are not sent to a LocalPDF processing API.
- 2. Local resultThe tool performs the operation in this tab and creates its result in browser memory.
- 3. Your downloadYou choose whether to download the result. Browser memory is cleared when the page is closed or reloaded.
Why Process PDFs Locally?
Supported workflows process document bytes in the browser without a document-byte upload to LocalPDF. Device, browser, extension, download, storage, and later-sharing risks remain separate boundaries.
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