Rewrite a PDF locally
A lossless rewrite can clean structure and metadata, but it does not recompress embedded images.
Input
large-export.pdfOutput
large-export-optimized.pdfPDF toolsRuns locally
Local PDF Compress
Optimize a PDF with a local lossless rewrite and document metadata cleanup, while preserving embedded images.
pdfcompressoptimize
Privacy note: this tool runs in your browser; inputs are not uploaded. How privacy works
PDF file
Optimized PDF
Optimized PDF details will appear here.
PDF Compress examples
PDF Compress use cases
- Try a safe local rewrite before uploading a PDF elsewhere.
- Clean document metadata during a browser-local export.
- Optimize PDFs generated by simple browser workflows.
How PDF Compress works
- The PDF is loaded by the browser.
- Pages are saved into a fresh PDF structure.
- Embedded images are preserved rather than recompressed.
PDF Compress mistakes to avoid
- Lossless PDF rewrite may not reduce files dominated by large images.
- Compression is not the same as redaction.
- Always review output before deleting the original file.
PDF Compress privacy and processing
No uploadBrowser-localNo accountThis tool runs in your browser. Inputs are processed on your device and are not uploaded to LocalTools.
How LocalTools handles local and server-assisted toolsPDF Compress related workflows
How LocalTools handles local and server-assisted tools
Understand which tools stay in the browser and which public URL checks need an API request.
Local PDF and Image Tools
A browser-local hub for merging PDFs, splitting documents, compressing PDFs, resizing images, and stripping image metadata before upload.
How to Merge PDFs Locally in Your Browser
Combine PDF files in the browser without uploading documents to a third-party merge service.
Local-First Developer Tools for Sensitive Data
A practical hub for choosing browser-local tools when working with JSON, JWTs, PDFs, images, hashes, and other data you hesitate to paste online.
PDF Compress FAQ
Will this always make a PDF smaller?
No. It is a lossless rewrite and metadata cleanup, not aggressive image recompression.
Is the PDF uploaded?
No. Processing happens locally in your browser.