19.0
PDF2Go is an online PDF editor and converter for working with files in a browser.
Free planAndroidiOSWeb
Best PDF Compressors in 2026
PDF compressors reduce the size of PDF files for easier storage and sharing. This list covers browser-based services and software for handling compressed PDFs. Check Android support if you work from a phone or tablet, then compare web, Windows, iOS, macOS and Linux availability. Look at free plans, trials and open-source code when those matter to you.
28.7
PDF Candy is a PDF toolkit for editing text, annotating, using OCR, and converting documents.
Free planAndroidiOSWeb
38.6
BentoPDF Hyper Compress is a PDF compression engine designed to reduce file size while preserving document content.
Free planOpen sourceWebAPIExtension
- 4
Xodo Compress PDF
Xodo Compress PDF is an online tool for reducing PDF file size, with Low and High compression settings.
Free planAndroidiOSWebAPI8.3From $7.99 a month - 5
Smallpdf
Smallpdf is a PDF service for editing, converting, compressing, organizing, sharing, protecting, and scanning documents.
Free planAndroidiOSWebWindows8.3From $10 a month - 6
AvePDF
AvePDF is a browser-based service for editing, converting, and managing PDFs and other electronic documents.
Free planAndroidiOSWebLinux8.1From $45 a year - 7
Compressify
Compressify is a file compression service for images and PDFs, available on the web, Android, iOS, and as an extension.
Free planAndroidiOSWebExtension7.8From $4.99 a month - 8
PDF24 Compare PDF
PDF24 Compare PDF compares two versions of a PDF and marks text that has changed, been added, or been removed.
Free planAndroidiOSWebLinux7.7Free plan - 9
PDFOptim
PDFOptim provides browser-based tools to compress, merge, split, rotate, and reorder PDF files.
Free planiOSWebmacOSWindows7.7From $4.99 a month - 10
Foxit PDF Compressor
Foxit PDF Compressor reduces PDF file size for sharing, email, or storage.
Free planAndroidiOSWebmacOS7.6From $129.99 a year - 11
7.2From $8.99 a month - 12
PDF Resizer
PDF Resizer is a free web-based suite for resizing, merging, splitting, cropping, rotating, compressing, converting and editing PDF files.
Free planWeb7.0Free plan - 13
Sejda PDF Editor
Free planWebLinuxmacOSWindows6.9Free plan - 14
iLovePDF
iLovePDF provides tools for editing PDF text, adding annotations, running OCR, converting files, and creating forms.
AndroidiOSWebmacOS6.9 - 15
PDF Compressor by DocuPub
PDF Compressor by DocuPub is a free web tool for reducing PDF file sizes without installing special software.
Free planWebWindows6.8Free plan - 16
Online PDF Compressor
Online PDF Compressor is a browser tool for reducing PDF size while maintaining document quality.
Free planWeb6.7Free plan - 17
PDF Compressor
Free planWeb6.7Free plan - 18
WeCompress
WeCompress is a free web service for compressing PDF, PowerPoint, Word, Excel, JPEG, PNG, and TIFF files.
Free planWeb6.6Free plan - 19
Adobe PDF Services API
Adobe PDF Services API is a cloud-based web API for creating, converting, and organizing PDF documents.
Free planWeb6.6Free plan - 20
6.5Free plan - 21
11zon Compress PDF
11zon Compress PDF is a free web tool for reducing PDF file sizes before storage, sharing, uploads, email attachments, websites, or online forms.
Free planWeb6.3Free plan - 22
5.3
Choosing well
Check phone access first
If you plan to compress files on a Xiaomi, Redmi or POCO phone, check whether the tool has an Android app. A web tool can be another route from a mobile browser.
The listed platform range also includes Windows, iOS, macOS and Linux, so match the service to the devices you use.
Compare free access
Some tools in this category include a free plan. Check what the free plan covers before choosing a paid option.
Some listed products let you test the service without paying first. Use the trial terms to decide whether the workflow suits you before paying.
Review the code terms
Some tools in this category provide open-source code. If you need to read or change the code, check the licence and the project details before relying on it.
Match your working setup
Web compressors can suit work across devices, while Windows, macOS and Linux software may fit a computer-based workflow. iOS support can matter when you also use an iPhone or iPad.
Check the current platform details for the tool you are considering, since availability differs by product.
Questions people ask
Can I use a PDF compressor on Android?
Some tools in this category support Android. Check the product page for an Android app; a web version may also work in a mobile browser.
Are free PDF compressors available?
Yes. Tools in this category offer free plans, and some use a free pricing model. Review the plan details before choosing one.
Can I try a PDF compressor before paying?
Some products provide a trial period before payment begins. Check the trial terms and what happens when it ends.
Are open-source PDF compressors listed?
Yes, some listed tools make their code open source. Check the licence and project details if code access matters.
Which platforms can PDF compressors support?
The list includes products for the web, Windows, iOS, Android, macOS and Linux. Confirm the platforms supported by the product you choose.