Under 1MB
For strict application limits. Always confirm the final file size.
PDF tools
PDF Too Large to Upload?
Make a PDF easier to share, email, or submit — with no sign-up or usage limit.
Unlimited freeNo sign-upProcessed in your browser
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Drop a PDF to compressYour file is processed only on your device.PDF
document.pdf—
Optimization level
The tool reorganizes the PDF structure for a smaller file. It does not lower image quality, so results vary by file.
✓
Complete
Your PDF has been optimized.
optimized-document.pdf
- Original
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- Result
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- Reduction
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COMPRESS PDF GUIDE
Reduce PDF file size before email or upload
Large PDFs can be difficult to email or may exceed an upload form’s limit. Start with recommended compression, then check the downloaded PDF’s size and readability before you submit it.
Choose the right approach
- Use Light when preserving the original appearance matters most.
- Start with Recommended for everyday sharing.
- Try Strong when the result still needs to be smaller.
Important: check the result
File-size reduction depends on the original PDF. This tool does not promise a specific target such as 1MB or 5MB. Open the result and zoom in on small text, signatures, and scanned pages before sending it.
Frequently asked questions
Can I compress a PDF to a fixed size?
Every PDF is different, so a fixed output size cannot be guaranteed. Try the available levels and check the downloaded file size.
Should I compress the result again?
For the best quality, retry from the original PDF rather than repeatedly processing an already compressed file.
Related guides and tools
PRACTICAL PDF SIZE GUIDE
Check these limits before reducing a PDF file size
PDF upload limits vary, often 1MB, 5MB, or 10MB. Check the destination rule first, then review both the downloaded file size and the readability of small text, stamps, tables, and scans.
Under 5MB
A common limit for general portals and email attachments. Start by comparing recommended compression.
Under 10MB
Often used for scanned or photo-heavy submissions. Readability checks are especially important.
A quick check before submitting
- Check the destination’s maximum size and PDF-format requirements.
- Keep the original PDF and start with recommended compression.
- Confirm that the downloaded result is below the stated limit.
- Open the first, middle, and last page and zoom in on text, stamps, tables, and photos.
- If it is still rejected, also check password protection, page limits, and total attachment limits.
Frequently asked questions
Can I make a PDF exactly 1MB or 5MB?
Reduction varies with the PDF structure and included images, so an exact output size cannot be guaranteed. Check the actual downloaded size.
Why does my PDF barely get smaller?
Already optimized or text-heavy PDFs can have little removable data.
Does compression change my original PDF?
No. Compression creates a separate new PDF and keeps the original file unchanged.
Related PDF tools and guides
PRACTICAL GUIDE
What is this tool?
If a form says your PDF is too large to upload, check its stated maximum size first. After compression, review not only the file size but also page count, format, and text clarity before submitting again.
How to use it
- Add a PDF file to the tool.
- Choose the pages, order, or compression setting you need.
- Run the tool and inspect the downloaded result.
When to use it
- A PDF is too large to upload
- Meeting an email attachment limit
- Submitting a job-application PDF
Frequently asked questions
Why is my PDF too large to upload?
The PDF is larger than the maximum file size allowed by the destination site. Check that limit first.
Why is my PDF not much smaller after compression?
Already optimized or text-heavy PDFs may have little removable size.
What if it is still rejected after compression?
Check PDF format, password protection, page count, and the site’s total-attachment limit too.
Related PDF tools
Merge PDF Files→Combine PDF Files→Split PDF→Extract PDF Pages→Compress PDF to 1MB→Compress PDF to 5MB→Compress PDF to 10MB→