Compress PDFs
Select one or more PDFs to compress. Auto-detects single or batch mode.
Choose from Low, Medium, or High quality compression
By uploading a file, you agree to our Terms of Service and Privacy Policy
Quality Presets Explained
Low
Maximum compression for smallest file size. Best for web viewing and email attachments.
Medium
Balanced quality and size. Ideal for most use cases including digital reading.
High
Minimal compression for best quality. Suitable for printing and archiving.
PDF Compression Pricing
Upgrade for larger file sizes and batch processing
Basic
- 20 conversions per day
- 500MB file size limit
- 5GB storage cap
- Files stored for 24 hours
- API access (5 req/day)
Bronze
- 50 conversions per day
- 2GB file size limit
- 150GB storage cap
- Files stored for 7 days
- API access (200 req/day)
- Cloud import (Google Drive, Dropbox)
Silver
- 100 conversions per day
- 5GB file size limit
- 250GB storage cap
- Files stored for 15 days
- Full API access (400 req/day)
- Priority queue processing
Gold
- Unlimited conversions
- 10GB file size limit
- 650GB storage cap
- Files stored for 30 days
- Unlimited API access
- Highest queue priority
PDF Compression FAQ
Common questions about compressing PDFs online
Still have questions?
Secure PDF Compression
Your documents are protected with enterprise-grade security
Antivirus Scanning
Every uploaded file is scanned with ClamAV antivirus before processing. Malicious files are automatically rejected to protect our systems and other users.
End-to-End Encryption
All file transfers use TLS 1.3 encryption. Files are encrypted at rest using AES-256 encryption in our secure cloud storage.
Automatic Deletion
Files are automatically deleted after your retention period expires (6 hours to 30 days depending on plan). You can also manually delete files anytime.
Data Anonymization
Non-member conversions use anonymous fingerprints. We never sell or share your data. Metadata is stripped from files during conversion.
GDPR Compliant
Full compliance with GDPR and international data protection regulations. Request data export or deletion anytime from your account settings.
Secure Infrastructure
Hosted on enterprise-grade infrastructure with DDoS protection, WAF, and 24/7 monitoring. Regular security audits and penetration testing.
PDF Compression API
Integrate PDF compression into your applications
RESTful API
Simple, intuitive REST API with JSON responses. Convert files programmatically with just a few lines of code.
API Key Authentication
Secure API key authentication with support for multiple keys. Rotate keys without downtime.
Webhook Notifications
Receive real-time notifications when conversions complete. Configure custom endpoints and retry logic.
Batch Processing
Convert multiple files in a single API call. Track batch progress with detailed status updates.
Async Processing
Submit conversions and poll for status, or use webhooks for notification. Handle large files efficiently.
SDKs & Documentation
Comprehensive API docs with examples in Python, Node.js, and cURL. Interactive API explorer available.
// Convert a file using the API
const response = await fetch('https://converteverything.io/api/v1/convert', {
method: 'POST',
headers: {
'Authorization': 'Bearer YOUR_API_KEY',
'Content-Type': 'multipart/form-data'
},
body: formData // { file, output_format: 'pdf' }
});
const { conversion_id, status } = await response.json();Need to Convert PDFs Too?
Our file converter supports 97+ formats for conversion
99 formats•1,114 possible conversions
Audio
17 formats
High-quality audio conversion with customizable bitrate and sample rate
Video
15 formats
Professional video transcoding with codec selection and resolution control
Image
16 formats
Lossless and lossy image conversion with quality optimization
Camera RAW
7 formats
Convert camera RAW files from Canon, Nikon, Sony, Fuji, and more
Document
15 formats
Convert Word, Excel, PowerPoint, and PDF with preserved formatting
Ebook
5 formats
Convert between all major ebook formats for any e-reader device
Data
6 formats
Convert structured data between JSON, CSV, XML, and more
3D Models
7 formats
Professional 3D model conversion for design and manufacturing
Fonts
5 formats
Convert fonts for web and desktop use with perfect compatibility
Archives
5 formats
Extract and convert compressed archive files
CAD
1 formats
Convert CAD drawings to PDF, SVG, and raster formats
Other Compression Tools
Compress PDFs with AI Assistants
Use our MCP server to compress PDFs directly from Claude, Cursor, and other AI assistants
AI-Native Integration
Built for the Model Context Protocol (MCP). Works seamlessly with Claude, Cursor, and other AI assistants.
Natural Language
Just ask your AI to convert files. No complex commands needed - the MCP handles everything automatically.
Local File Access
Convert files directly from your local filesystem. The AI can read, convert, and save files for you.
Batch Operations
Convert entire folders of files with a single request. Perfect for bulk format migrations.
Fast Processing
Leverages the full ConvertEverything infrastructure. Same speed and quality as our web interface.
API Key Auth
Uses your ConvertEverything API key. All conversions count toward your plan limits.
// Add to your claude_desktop_config.json
{
"mcpServers": {
"converteverything": {
"command": "npx",
"args": ["-y", "@anthropic/mcp-converteverything"],
"env": {
"CONVERTEVERYTHING_API_KEY": "your_api_key"
}
}
}
}Why Use Our PDF Compressor?
Finding the right pdf compressor can be challenging with so many options available online. ConvertEverything.io stands out as the most comprehensive and reliable pdf compressor solution, offering support for 97+ file formats across 10 different categories. Our pdf compressor is designed to handle everything from simple conversions to complex transformations, making it the only tool you'll ever need.
When you need to compress pdf online, speed and reliability matter. Our platform uses powerful cloud infrastructure to process your files quickly, even for large files. Unlike slower desktop software, our online pdf compressor delivers results in seconds without requiring any downloads or installations.
Security is paramount when using any pdf compressor. That's why we implement enterprise-grade encryption to protect your files during upload, conversion, and download. Files are automatically deleted after processing, ensuring your sensitive data remains private.
Start Compressing PDFs Today
Fast, free, and secure PDF compression.
Want even more? Upgrade for larger file sizes, faster processing, and batch conversion.
View Pricing Plans →