Best PDF Compressors in 2026

Xodo Compress PDF

Xodo Compress PDF is an online tool for reducing PDF file size, with Low and High compression settings.

Smallpdf

Smallpdf is a PDF service for editing, converting, compressing, organizing, sharing, protecting, and scanning documents.

AvePDF

AvePDF is a browser-based service for editing, converting, and managing PDFs and other electronic documents.

Compressify

Compressify is a file compression service for images and PDFs, available on the web, Android, iOS, and as an extension.

PDF24 Compare PDF

PDF24 Compare PDF compares two versions of a PDF and marks text that has changed, been added, or been removed.

PDFOptim

PDFOptim provides browser-based tools to compress, merge, split, rotate, and reorder PDF files.

Foxit PDF Compressor

Foxit PDF Compressor reduces PDF file size for sharing, email, or storage.

PDF.co

PDF.co is a web-based service and API for working with PDF files.

PDF Resizer

PDF Resizer is a free web-based suite for resizing, merging, splitting, cropping, rotating, compressing, converting and editing PDF files.

Sejda PDF Editor

iLovePDF

iLovePDF provides tools for editing PDF text, adding annotations, running OCR, converting files, and creating forms.

PDF Compressor by DocuPub

PDF Compressor by DocuPub is a free web tool for reducing PDF file sizes without installing special software.

Online PDF Compressor

Online PDF Compressor is a browser tool for reducing PDF size while maintaining document quality.

PDF Compressor

WeCompress

WeCompress is a free web service for compressing PDF, PowerPoint, Word, Excel, JPEG, PNG, and TIFF files.

Adobe PDF Services API

Adobe PDF Services API is a cloud-based web API for creating, converting, and organizing PDF documents.

Online2PDF

Online2PDF is a web service for converting and managing PDF files.

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.

OpenToolKit CompressPDF