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Compressing PDF

Processing page 0 of 0

Compress PDF File
WORKSPACE PREVIEW
ORIGINAL PDF
0 KB
COMPRESSED PDF
Ready to Process
Level
COMPRESSION LEVEL
High Compression
Lowest quality. Best for reducing large files for strict upload limits (like 100KB).
Less Compression
Highest quality. Only minor size reduction.

Note: This tool compresses Scanned PDFs (images inside PDFs) effectively. Text-only digital PDFs might not show massive reductions.

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Compress PDF Size Online

Government job applications, university forms, and digital portals often strictly require PDF documents (such as scanned mark sheets, identification proofs, or certificates) to be under a certain size limit, typically 100KB or 200KB. OriginalPDF's PDF Compressor solves this issue instantly by effectively downscaling the embedded images within your scanned PDF documents without completely destroying readability.

Total Security & Privacy: Our tool completely runs locally inside your web browser using cutting-edge Javascript rendering. This means the compression happens offline, in your computer's memory. Your highly sensitive personal documents are never uploaded to external servers, guaranteeing absolute data privacy.

Key Features

How to Compress Your PDF

  1. Step 1: Upload Document. Click the "Upload PDF" button and choose the file from your computer or smartphone.
  2. Step 2: Choose Level. On the right sidebar, select your desired compression setting. "Recommended" works best for most users. Choose "High" if you need to hit very small targets like 50KB or 100KB.
  3. Step 3: Compress & Download. Use the bottom toolbar to select your format (PDF, JPG, PNG) and DPI quality, then click "Compress & Download". The tool will process the file and automatically download it.

Supported Formats & Specifications

Review the comprehensive format compatibilities and configurations available in our PDF compression tool.

Category Supported Details & Specifications
Input File Type Standard PDF Document (.pdf)
Output Formats Compressed PDF (.pdf), JPEG (.jpg), PNG (.png)
Compression Engine PDF.js + jsPDF Rasterization (Browser-Side)
High Compression Lowest DPI scale, JPEG Quality: 40%
Recommended Balanced DPI scale, JPEG Quality: 65%
Low Compression Highest DPI scale, JPEG Quality: 85%
Best Use Case Scanned documents, photographed IDs, Marksheets

FREQUENTLY ASKED QUESTIONS

1. Why didn't my PDF compress much?

Our tool is optimized for "Scanned" PDFs (which are basically photos inside a PDF format). If you uploaded a digitally typed PDF (like a Word document saved as PDF), there are no images inside it to compress, so the size reduction will be minimal.

2. Is my confidential document secure?

Yes, 100%. OriginalPDF uses cutting-edge Client-Side technology. This means the compression engine runs directly in your phone or computer's memory. We do not upload your files to any cloud server.

3. Which compression level should I choose?

For general use, select 'Recommended'. If you are uploading to a government portal that strictly requires files under 100KB, choose 'High Compression'. If you just need a slight reduction while keeping maximum quality, choose 'Less Compression'.

4. Can I use this tool on my smartphone?

Yes! Our website is fully mobile-responsive. You can seamlessly compress PDF files directly on your Android or iPhone without needing a computer.

5. Will there be any watermarks added to my PDF?

No. This tool is completely free to use and we never add any intrusive watermarks or logos to your compressed documents.

6. Do I need an internet connection to compress?

Once the webpage fully loads in your browser, the script runs locally. This means you can process the PDF even if your internet connection temporarily drops.

7. Can I compress multiple PDFs at once?

Currently, to ensure your browser does not freeze or crash, we process one PDF document at a time. It only takes a few seconds per file.

8. Will compressing the PDF ruin the text?

No, our smart rasterization engine is specifically tuned to preserve text readability while aggressively compressing heavy background images.

9. Is there a file size limit for uploading?

You can upload large files seamlessly since it processes locally. However, files over 50MB might take slightly longer depending on your device's RAM processing power.

10. How do I extract PDF pages as JPG or PNG?

Using the bottom action bar, change the output format from 'PDF Document' to 'JPG' or 'PNG'. When you click download, it will export the compressed pages as image files.