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PDF Compressor & Watermark
Optimize and protect your PDFs with automatic compression and watermarking. Save space and secure your documents effortlessly.
The facts
- Rating
- 3.4★ from 5
- Active installs
- 500+
- Price
- Free
- Last updated
- 30 Apr 2026
- Added
- Sep 2017
- Requires WP
- 6.1
- Tested up to
- WP 6.9.7
- Requires PHP
- 8.2
- Downloads
- 52,741
Our analysis
AI-assistedThe PDF Compressor & Watermark – iLovePDF is a WordPress plugin that allows you to compress and watermark PDF files directly from your Media Library. You can choose to apply these actions automatically upon upload or manually for existing files. The plugin integrates with the iLovePDF API to optimize PDF files, potentially saving up to 50% of disk space without losing quality.
This plugin is suitable for users who need to manage PDF files on their WordPress site, particularly those who want to streamline their media library by reducing file sizes and adding watermarks for branding or copyright purposes.
Best for: This plugin suits WordPress users who frequently work with PDF files and need to optimize and protect them.
What it does well
- ✓Compresses PDF files automatically upon upload
- ✓Can watermark new and existing PDF files
- ✓Offers bulk actions for multiple files
- ✓Integrates with iLovePDF API for processing
- ✓Configurable compression levels
Where it falls short
- •Requires an iLoveAPI Developer account for full functionality
- •Compression ratio varies by PDF file
- •Limited information on specific features
Verdict
The PDF Compressor & Watermark – iLovePDF provides essential tools for managing PDF files in WordPress, though it requires an external API account for optimal use.
From the developer
iLovePDF's own description of PDF Compressor & Watermark, lightly tidied.
Compress your PDF files and Stamp Images or text into PDF files. This is the Official iLovePDF plugin for WordPress. You can optimize all your PDF and stamp them automatically as you do in ilovepdf.com.
How it works
The plugin has two modes of work, automatic or manual.
Compress PDF: Every time a PDF file is uploaded to your Media Library, is compressed by our iLovePDF API and saved in your WordPress site already optimized, saving you disk space. This feature can be disabled.
It can also compress all PDF already in your Media Library at once or compress PDF files one by one. The compression ratio depends on the PDF but on average you can save up to 50% of disk space occupied by PDF files without loosing quality.
Watermark PDF: Every time a PDF file is uploaded to your Media Library, is stamped by our iLovePDF API and saved in your WordPress. This feature can be disabled.
It can also stamp images or text in PDF already in your Media Library at once or stamp PDF files one by one.
Bulk actions
All tools can be done for an individual files or applied to all your existing files.
Automatic process
All tools can be applied automatically when a PDF file is upload, so you don’t need to apply any manual anymore.
Configure your iLoveAPI Developer Account
Install this plugin and go to Settings -> iLovePDF to create your iLoveAPI Developer account (if you already registered previously on iLoveAPI Developer you can login directly) and choose your Project, but by default it will be selected Default Project. A project is what defines which API keys will be used. If you need it, you can manage your projects in your iLoveAPI developer account. With your iLoveAPI Free account you get 2500 free credits to process per month. If you need more you can purchase them
By going to Settings -> iLovePDF -> Compress PDF you can set the compression level you prefer to optimize your PDF files. We strongly recommend you to use ‘Recommended Compression’ which offers the perfect balance between compression and quality. In this section you can disable the auto compression of new uploaded PDF files in your Media Library.
By going to Settings -> iLovePDF -> Watermark PDF you can set many options on what to stamp and how into your PDF files. In this section you can disable the auto stamping of new uploaded PDF files in your Media Library.
To Compress or Stamp PDF files that are already in your Media Library go to Media -> iLovePDF -> Compress PDF or Media -> iLovePDF -> Watermark
Tagged as
industry
Library & Archive
topic
Performance & Speed
Optimize
Compress
Watermark
PDF
Compression
Automatic
Media Library
Save
Protect
audience
Developers
quality
Security
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