1. Home
  2. Topics
  3. Reduce PDF Size

Best Reduce PDF Size Apps

250+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated August 2026

Compress PDF is the household name in reduce pdf size, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Reduce PDF Size Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Compress PDF : PDF Size ReduceCompress PDF : PDF Size ReduceFree—YesNoAug 2026
2PDF Compressor : Compress PDFPDF Compressor : Compress PDFFree4.7★ (650)YesNoAug 2026
3Compress PDF - Resize PDFCompress PDF - Resize PDFFree5.0★ (13)NoYesJul 2026
4PDF Compressor: Size ReducePDF Compressor: Size ReduceFree4.3★ (57)YesYesAug 2026
5Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.7★ (644K)NoYesAug 2026
6Smallpdf: Scanner & PDF EditorSmallpdf: Scanner & PDF EditorFree4.8★ (6.8K)NoYesAug 2026
7iLovePDF - PDF Editor & ScaniLovePDF - PDF Editor & ScanFree4.8★ (51K)NoYesAug 2026
8pdf compressor.pdf compressor.Free4.6★ (16)NoNoAug 2026

Top Picks for Reduce PDF Size

PDF Compressor : Compress PDF#2

PDF Compressor : Compress PDF by Vishalbhai Vaghasiya

Compress PDF - PDF Compressor
Strong Contender
🔧 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
Compress PDF - Resize PDF#3

Compress PDF - Resize PDF by Shota Sukhiashvili

Compress, Resize & Create PDF
Worth Considering
🔧 Utilities
5.0(13 ratings)
FreeIn-App Purchases
Compress PDF - Resize PDF screenshot 1
Compress PDF - Resize PDF screenshot 2
Compress PDF - Resize PDF screenshot 3

Easily reduce the size of PDF files for efficient storage and sharing. Offers adjustable quality levels and on-device processing for privacy. An optional Pro upgrade provides unlimited compressions, target file size control, and an ad-free experience.

More Reduce PDF Size apps to explore

4
PDF Compressor: Size Reduce
PDF Compressor: Size Reduce
PDF Compressor: Size Reduce
PDF Compress & Reduce Size
Free

Easily reduce the size of your PDF files with this utility app. It offers a range of tools to compress, edit, and convert PDFs, saving you disk space and improving upload/download speeds. Features include OCR, merging, page removal, and security options.

Compress PDF filesOCR and Text RecognitionMerge and split PDFs
🔧 Utilities
(57)
free with in-app purchases
5
Acrobat Reader: PDF Editor
Acrobat Reader: PDF Editor
Acrobat Reader: PDF Editor
Documents Editor & Converter
Free

This app is a powerful PDF tool for viewing, editing, annotating, and signing documents. It offers AI-powered features for summarizing and interacting with PDFs, along with robust conversion and security options. Collaborate on files and access your documents from anywhere.

View, edit, and annotate PDFsSign and fill PDF formsConvert files to and from PDF
💼 Business
(644K)
freemium
6
Smallpdf: Scanner & PDF Editor
Smallpdf: Scanner & PDF Editor
Smallpdf: Scanner & PDF Editor
compress, convert, ocr, sign
Free

This app offers a comprehensive suite of tools to manage PDF documents. Easily convert, edit, compress, sign, merge, and scan PDFs using your mobile device. It also features OCR technology to convert scanned documents into editable text.

Convert PDFs to Word, Excel, PPT, JPG, PNGEdit PDFs with text, images, and annotationsCompress PDFs to reduce file size
📊 Productivity
(6.8K)
free with in-app purchases
7
iLovePDF - PDF Editor & Scan
iLovePDF - PDF Editor & Scan
iLovePDF - PDF Editor & Scan
For Work, Study & E-Signing
Free

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
(51K)
freemium
8
pdf compressor.
pdf compressor.
pdf compressor.
small pdf,compress pdf
Free

Easily shrink and optimize PDF files to save storage space and improve sharing efficiency. This tool offers fast compression without compromising quality, making your documents more manageable for email, storage, or online sharing.

Compress PDF filesReduce PDF sizeOptimize PDF files
🔧 Utilities
(16)
free
9
PDF Compressor | Reduce Size
PDF Compressor | Reduce Size
PDF Compressor | Reduce Size
Compress PDF & Reduce PDF Size
Free
🔧 Utilities
(0)
10
Compress PDF : Reduce PDF Size
Compress PDF : Reduce PDF Size
Compress PDF : Reduce PDF Size
PDF Compressor :Smart Compress
Free

Reduce the file size of your PDF documents, especially those with many images. This app offers compression options to shrink PDFs without compromising quality, saving storage space and transmission time. It's a lightweight tool for optimizing memory usage.

Full size compressionUltra fast processingLow battery usage
📊 Productivity
(3)
freemium
11
PDF Compress - Reduce PDF Size
PDF Compress - Reduce PDF Size
PDF Compress - Reduce PDF Size
Streamline PDF document sizes
Free
$19.99 | 100% OFF
📊 Productivity
(0)
12
compress pdf, reduce pdf size
compress pdf, reduce pdf size
compress pdf, reduce pdf size
Offline PDF Converter Tool 50+
Free
🔧 Utilities
(0)
13
Compress PDF 1MB,500KB,200KB
Compress PDF 1MB,500KB,200KB
Compress PDF 1MB,500KB,200KB
Resize+JPG 100KB,300KB,2MB,5MB
Free
🔧 Utilities
(0)
14
PDF Compressor – Reduce Size
PDF Compressor – Reduce Size
PDF Compressor – Reduce Size
Compress PDF Files Easily
Free
📊 Productivity
(0)
15
Compress PDF File - Shrinkr
Compress PDF File - Shrinkr
Compress PDF File - Shrinkr
#1 PDF Compressor, Reduce Size
Free
🔧 Utilities
(0)
16
PDF Compressor - Reduce Size
PDF Compressor - Reduce Size
PDF Compressor - Reduce Size
compress & make PDF smaller
Free

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.

Efficient PDF compressionRetain document qualityUser-friendly file management
🔧 Utilities
(82)
free with in-app purchases
17
PDF Compress - Size Compressor
PDF Compress - Size Compressor
PDF Compress - Size Compressor
Reduce PDF Size, compressor
Free

This tool allows you to significantly reduce the size of PDF files, making them easier to share. It offers multiple compression levels and a user-friendly interface for quick and efficient file management. You can also rename and preview files before sharing.

Compress PDF files to desired sizeMultiple compression levelsUser-friendly design
📊 Productivity
(1)
free with in-app purchases
18
PDF Compressor - Size Reducer
PDF Compressor - Size Reducer
PDF Compressor - Size Reducer
Reduce File Size PDF Compress
Free

This utility app quickly reduces the file size of PDFs by up to 90% while preserving quality. It offers adjustable compression levels and allows for batch processing, making it ideal for sharing and storage.

Up to 90% size reductionAdjustable compression levelsBatch processing
🔧 Utilities
(1)
free with in-app purchases
19
Smart PDF Compressor
Smart PDF Compressor
Smart PDF Compressor
Shrink PDFs, Keep Quality
Free
🔧 Utilities
(0)
20
PDF Shrink: Offline Compress
PDF Shrink: Offline Compress
PDF Shrink: Offline Compress
Offline PDF compression
Free
🔧 Utilities
(0)

FAQ about Reduce PDF Size

Are there free reduce pdf size apps for iPhone?
Yes — 20 of the top reduce pdf size apps we rank are free to download, including Compress PDF : PDF Size Reduce and PDF Compressor : Compress PDF.
Compress PDF : PDF Size Reduce shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ reduce pdf size apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.

Related searches

compress pdf reduce pdf sizecompress pdf reduce pdf size freecompress pdf : reduce pdf sizecompress pdf, reduce pdf sizepdf compress - reduce pdf size