Best PDF Files Compressor Apps

240+ iOS apps curated and reviewed

4.6 avg rating

19 free apps

Updated June 2026

Looking for free pdf files compressor apps? 19 of our 240+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for PDF Files Compressor

#1

PDF it All Document Converter by DIGISET LLC

Compress PDF Photos,Files,Word

Editor's Choice

📊 Productivity

4.8😊(7.9K ratings)

FreeIn-App Purchases

PDF it All Document Converter screenshot 1

PDF it All Document Converter screenshot 2

PDF it All Document Converter screenshot 3

PDF it All Document Converter screenshot 4

PDF it All Document Converter screenshot 5

PDF it All Document Converter screenshot 6

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to compress, convert, edit, merge, split, sign, and protect PDF files. All operations are performed locally on the device for enhanced security.

What We Love

🚀 Fast and efficient
👍 User-friendly and easy to use
💡 Versatile and feature-rich
🥰 Loyal and reliable companion

Room to Improve

🐛 Crashes and compatibility issues with newer iOS versions
💰 Subscription model not well-received
🔍 Lack of search functionality

#2

PDF Compressor - Reduce Size by NEXTPIXEL APPS LLP

compress & make PDF smaller

Strong Contender

🔧 Utilities

4.3(80 ratings)

FreeIn-App Purchases

PDF Compressor - Reduce Size screenshot 1

PDF Compressor - Reduce Size screenshot 2

PDF Compressor - Reduce Size screenshot 3

PDF Compressor - Reduce Size screenshot 4

Reduce the size of your PDF documents without sacrificing quality. Optimize PDFs for storage, sharing, and faster loading. Effortlessly manage and share your compressed files anywhere.

#3

PDF Compressor : Compress PDF by Vishalbhai Vaghasiya

Compress PDF - PDF Compressor

Worth Considering

🔧 Utilities

4.7😞(650 ratings)

FreeAds

PDF Compressor : Compress PDF screenshot 1

PDF Compressor : Compress PDF screenshot 2

PDF Compressor : Compress PDF screenshot 3

Reduce the size of your PDF documents with this easy-to-use tool. Select your file, choose the desired output quality, and compress your PDFs with a single tap. Save disk space and speed up uploads and downloads.

What We Love

🚀 Fast and efficient compression
👍 Simple and easy-to-use interface
💰 Free to download and use
✅ Effective file size reduction

Room to Improve

📢 Excessive and intrusive advertisements
🐛 Frequent app crashes and glitches
❌ File compression increases size instead of reducing it

More PDF Files Compressor apps to explore

PDF Compressor - Compress PDF

PDF Compressor - Compress PDF

Compress PDF - PDF Compressor

Reduce the size of your PDF files to save storage space and speed up uploads and downloads. This app allows you to compress PDFs with a single tap, making them easier to manage and share.

Compress PDF file size easilyReduce PDF size within secondsSmart and easy to use interface

free with in-app purchases

pdf compressor & compress pdf

pdf compressor & compress pdf

Offline compress PDF documents

Shrink PDF files quickly and easily without an internet connection. Free up storage space on your device and share documents more efficiently. Offers various compression levels and additional PDF management tools.

Offline PDF compressionAdjustable compression qualityBulk PDF compression

free with in-app purchases

pdfFiller: edit PDF documents

pdfFiller: edit PDF documents

Scan, fill, sign,make pdf docs

This app transforms your device into a mobile office for managing PDF documents. Edit, eSign, and fill out forms, then share or export them. It offers secure storage and access to millions of templates, with offline capabilities.

Edit PDF documentsEsign and fill out formsShare and collaborate on documents

free with in-app purchases

Unzip - zip,rar,7z file opener

Unzip - zip,rar,7z file opener

files extractor, compressor

This app is a powerful tool for extracting and compressing various archive file formats. It supports creating encrypted ZIP files, batch compression of media, and offers multiple file transfer options. It also allows viewing and playing a wide range of document, video, and audio types.

Extracts ZIP, RAR, 7Z, TAR, GZIP, and moreCreates encrypted and password-protected ZIP filesBatch compress photos and videos

📊 Productivity

free with in-app purchases

iLovePDF - PDF Editor & Scan

For Work, Study & E-Signing

Edit, convert, annotate, and sign PDF documents on the go. This app offers tools to scan, merge, split, compress, and protect your files, enhancing productivity for work and study.

Scan documents to PDFConvert JPG/Office to PDFEdit and annotate PDFs

📊 Productivity

PDF Maker - Convert to PDF

PDF Maker - Convert to PDF

Photos to PDF & PDF Converter

Easily convert various file types, including documents and photos, into PDF format directly on your device. This app offers advanced tools for merging, splitting, and compressing PDFs, along with options to add content and share your creations.

Convert DOC, XLS, JPG, TXT, PPT, SVG to PDFCreate new PDFs from photos or textMerge and split PDF files

📊 Productivity

free with in-app purchases

PDF Editor・PDF File Converter

PDF Editor・PDF File Converter

PDF Scanner, Filler and Signer

Easily scan, convert, edit, and manage your PDF documents. This all-in-one tool allows you to transform images to PDF, convert PDFs to Word, fill out forms, and add digital signatures.

Edit text, fonts, and colors in PDFsConvert images and documents to PDFScan paper documents into high-quality PDFs

📊 Productivity

free with in-app purchases

Pdf Compressor - Compress File

Pdf Compressor - Compress File

Reduce PDF Size & Keep Quality

This app helps you reduce the size of PDF files quickly and easily without sacrificing quality. It's perfect for optimizing documents for sharing, email, or storage, offering a simple interface for efficient compression.

Compress PDF files easilyHigh-quality compressionFast processing

📊 Productivity

free with in-app purchases

PDF Compressor : Compress Size

PDF Compressor : Compress Size

PDF Compressor Minify PDF Size

📊 Productivity

PDFelement: PDF Editor, Viewer

PDFelement: PDF Editor, Viewer

Edit,read,sign,annotate pdf

This application offers comprehensive PDF management, including advanced editing, AI-powered summarization and translation, and efficient scanning with OCR. It helps organize, convert, and secure documents for work, study, and personal use.

AI Chat with PDFScan and OCRPDF to Office Conversion

📊 Productivity

free with in-app purchases

PDF Compressor – Reduce Size

PDF Compressor – Reduce Size

Compress PDF Files Easily

📊 Productivity

PDF Size Compressor

PDF Size Compressor

Reduce PDF file's size

Reduce the size of PDF files while maintaining good quality. This app helps save storage space, speed up uploads and downloads, and keep email attachments within limits. It offers multiple compression options, including converting to grayscale.

Compress PDF filesReduce file sizeMaintain good quality

PDF Editor, Files Converter.

PDF Editor, Files Converter.

Convert & Compress Documents

Edit, compress, convert, and organize PDF documents with this all-in-one tool. It functions as a PDF reader, creator, and converter, allowing you to transform various file types into PDFs and edit them with intuitive tools.

Edit PDFsCompress filesConvert to PDF

📊 Productivity

PDF Editor ,PDF Book Reader ®

PDF Editor ,PDF Book Reader ®

PDF App,PDF Scanner, Converter

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to read, edit, annotate, convert, and scan PDFs with an intuitive interface. Features include form filling, digital signatures, page management, and robust sharing options across Apple devices.

Read and edit PDFsAnnotate and markup documentsFill forms and add digital signatures

free with in-app purchases

PDF Compressor－Compress PDF

PDF Compressor－Compress PDF

Reduce PDF Size & Keep Quality

Easily reduce the size of your PDF files without sacrificing quality. This tool helps you shrink PDFs for faster sharing, emailing, or uploading, saving valuable storage space. It's perfect for managing large documents and scanned files efficiently.

Compress PDF files without losing claritySmart compressor for scanned or large documentsReduce PDF size for easy upload and sharing

📊 Productivity

free with in-app purchases

PDF Reader & PDF Editor

PDF Reader & PDF Editor

Read, Edit, Sign PDF Files

This app is a comprehensive tool for managing PDF documents. It allows users to quickly view, annotate, edit, and organize PDFs, as well as convert images to PDF. Advanced features like merging, splitting, and password protection are also available.

Fast PDF viewingPDF annotation and markupAdd e-signatures

free with in-app purchases

PDF Converter: Photo to PDFs

PDF Converter: Photo to PDFs

AI summarizer & Converter

Easily transform documents and images into professional PDF files. This tool supports numerous formats and offers features like merging, splitting, and compressing PDFs, all within a simple interface.

Convert files to PDFImage to PDF conversionWord, Excel, PPT to PDF

📊 Productivity