What you can do here
Explore PDF compression tools and guides for reducing PDF size for forms, email, WhatsApp, scanned documents, resumes, and online uploads.
Simple workflow: Choose the tool that matches the task, export the final file, then open it once before sharing or uploading.
Tools in this hub
Start with the tool that best matches your PDF task.
Which tool should you choose?
Use this table to pick the right FilesDoctor workflow.
| Task | Best tool | Before you download |
|---|---|---|
| Resume PDF | Compress PDF | Keep text sharp and check links. |
| Scanned certificate | Compress PDF with a moderate setting | Check seal, stamp, and signature clarity. |
| Photo-based document | Image to PDF, then Compress PDF | Crop edges and avoid blur first. |
| Large combined file | Remove Pages or Merge PDF, then Compress PDF | Delete blank pages before compression. |
Helpful guides
Read these guides if you want step-by-step help for common document problems.
Compress PDF to 100KB OnlineFor strict file size limits on portals.
Compress PDF Without Losing QualityBalance size reduction and readability.
Compress PDF for WhatsAppMake PDFs easier to send on mobile.
Compress Scanned PDF OnlineHandle large scan files carefully.
Compress PDF to 200KB, 500KB, or 1MBPick a realistic target size.
Practical tips
- Keep the original file safe before editing, converting, or compressing.
- Check page order, readability, and file size before upload.
- Use clear file names without special characters for online forms.
- Use the official upload requirement as the final rule for format and size.
FAQ
Which FilesDoctor tool reduces PDF size?
Use Compress PDF to reduce PDF size for forms, email, WhatsApp, and uploads.
Can I compress scanned PDFs?
Yes, but use a realistic size target and check readability after compression.
Should I remove pages before compression?
Yes, removing blank or unnecessary pages can reduce file size without lowering quality.
Is 100KB always the best target?
No. Use 100KB only when required. Scanned or image-heavy files often need 500KB or 1MB to stay readable.