Effective compression
Repair PDF removes redundant data and optimizes images to cut file size quickly.
Repair PDF
Fix corrupted PDF files.
Processed on server — auto-deleted within 1 hour
Processed on server — auto-deleted within 1 hour
Drop files here or click to browse
Max 50 MB total per batch
Server files are auto-deleted within 1 hour. Limit: 5 jobs per IP per day.
Free online Repair PDF — fast, secure, and quality-focused. PDF900 makes document work simple.
- 100% free, no signup
- Privacy-first design
- Works in your browser
Everything you need from Repair PDF
Repair PDF reduces file size and fixes common PDF issues — ideal for email attachments, uploads, and storage.
Large PDFs slow down sharing and hit attachment limits. Repair PDF shrinks files while keeping content readable, so you can send documents without frustration.
PDF900 prioritizes security: server-side tools delete uploads automatically within one hour.
Why use this tool
Readable output
We balance size reduction with legible text and clear visuals.
Secure processing
Files are transferred over HTTPS and deleted after processing.
How to use Repair PDF
- 1
Upload your PDF to Repair PDF.
- 2
Choose compression or repair options if available.
- 3
Start processing — usually done in seconds.
- 4
Download the optimized file and share it right away.
Everything included
Email-ready files
Smaller PDFs fit attachment limits more easily.
Free to use
Repair PDF is free on PDF900 — no trial wall.
Auto-deletion
Server uploads are removed within one hour.
Cross-platform
Works in Chrome, Safari, Firefox, and Edge.
Frequently asked questions
- How does Repair PDF work?
- We analyze the PDF, optimize images and streams, and return a smaller file.
- Will quality drop?
- Compression aims to preserve readable text and acceptable image quality.
- Is it safe?
- Yes — HTTPS encryption and automatic file deletion protect your documents.