HR portal 2MB limit
A new hire needs to upload a signed offer packet, ID scan and onboarding form, but the portal rejects anything over 2MB. They compress a copy locally and verify names, dates and signatures before submission.
2MB upload limit
Reduce image-heavy PDFs toward a 2MB target while keeping processing local and private.
The output must stay below this ceiling.
The source ArrayBuffer is transferred—not copied—to a background Worker.
Real use cases
Good for documents that contain IDs, pay slips, receipts or personal records because compression happens on your device.
Illustrative scenarios
A new hire needs to upload a signed offer packet, ID scan and onboarding form, but the portal rejects anything over 2MB. They compress a copy locally and verify names, dates and signatures before submission.
A client report exported from a scanner is slightly above the mail attachment limit. Recommended compression reduces image-heavy pages while keeping the PDF readable enough for review.
Step-by-step
FAQ
Not always. Very long scans or high-resolution image PDFs may need lower quality or page splitting.
Text-based pages are preserved where the tool can keep them. Image-based scanned pages may be rebuilt as optimized images.
Yes for the core compression workflow. The PDF is processed in the browser instead of being uploaded.
Image-heavy scans, phone photos and large embedded pictures usually shrink the most. Pure text PDFs may already be small.
Confirm the final file size, page count, text readability, stamps, QR codes and signatures in a PDF viewer.
A modern desktop Chrome or Edge browser usually has the strongest memory and canvas support for large image-heavy PDFs.
Use the same tested core engine with guidance and defaults tailored to this workflow. Review the result before submitting, printing or sharing an important document.
Optimize scanned or image-heavy PDFs toward a 500KB target for forms, reimbursement and application portals.
OpenShrink invoice, receipt and expense PDFs locally before uploading them to finance systems.
OpenPrepare passport scans, bank statements and application PDFs for strict embassy or visa upload limits.
Open