Open the working compress pdf tool
Compress a PDF under 1 MB
A 1 MB limit is common for forms, portals, and attachments. Use the compression modes to find a practical balance instead of assuming every PDF can reach an exact size.
Start with the least destructive option
Try Lossless structural mode first when the PDF contains selectable text, forms, links, or signatures. It may not reduce an already-optimized file, but it avoids turning pages into images.
Use visual compression for image-heavy files
Balanced or Light compression can help scans and photos. Strong may create a smaller result but can make fine print harder to read.
Check the actual output
PrivyPDF reports the generated file size. Compare it with the portal limit and open the result before submitting it. Exact 1 MB output is not guaranteed because page count, fonts, and images vary.
Related PDF questions
Nearby questions people often ask when choosing a private browser-based workflow:
- compress PDF under 1MB
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- compress PDF locally
- PDF size limit 1MB