Best File Size Reducer App

249+ iOS apps curated and reviewed

4.3 avg rating

19 free apps

Updated August 2026

The best file size reducer app on iPhone average 4.3★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top File Size Reducer App (August 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Compress Photos & Pictures	Free	4.7★ (22K)	Yes	Yes	Aug 2026
2	PDF Compressor - Reduce Size	Free	4.3★ (82)	No	Yes	Aug 2026
3	Video Compress - Shrink Videos	Free	4.5★ (11K)	Yes	Yes	Aug 2026
4	PDF Compressor – Reduce Size	Free	—	No	Yes	May 2026
5	Video Compressor & Reduce size	Free	4.6★ (1.3K)	Yes	Yes	Aug 2026
6	PDF Compressor: Size Reduce	Free	4.3★ (57)	Yes	Yes	Aug 2026
7	Image Size Reducer	Free	5.0★ (1)	Yes	Yes	Aug 2026
8	Compress Photos: Image Size	Free	—	No	Yes	May 2026

Top Picks for File Size Reducer App

#1

Compress Photos & Pictures by New Marketing Lab, Inc

Compress photos, save space

Editor's Choice

📷 Photo & Video

4.7😐(22K ratings)

FreeAdsIn-App Purchases

Compress Photos & Pictures screenshot 1

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Compress Photos & Pictures screenshot 3

Compress Photos & Pictures screenshot 4

Compress Photos & Pictures screenshot 5

Reduce the file size of your photos and reclaim storage space on your device. This app offers intelligent compression to maintain image quality while significantly shrinking files for faster sharing and easier storage. It supports various file types and offers advanced tools for privacy and export.

What We Love

👍 Easy to use
🚀 Effective compression
💡 Useful for reducing photo file size
🚀 Fast processing

Room to Improve

🐛 Compression issues (photos look distorted or washed out)
🐛 Crashes or freezes during batch processing
🔍 Difficult to find compressed photos in library

#2

PDF Compressor - Reduce Size by NextPixel apps

compress & make PDF smaller

Strong Contender

🔧 Utilities

4.3(81 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

Video Compress - Shrink Videos by 娜彭

Video Compressor, Reduce Size

Worth Considering

📷 Photo & Video

4.5😊(11K ratings)

FreeAdsIn-App Purchases

Video Compress - Shrink Videos screenshot 1

Video Compress - Shrink Videos screenshot 2

Video Compress - Shrink Videos screenshot 3

Reduce the size of large video files efficiently. Adjust output file size with a slider to save storage space without sacrificing significant video quality. All compression happens locally on your device.

What We Love

👍 Works great
🚀 Quick and easy to use
💡 Useful for compressing videos
👍 Simple and straightforward

Room to Improve

🐛 Compression fails on some devices
🔍 Ads can be intrusive
🔍 Ads sometimes block UI elements

More File Size Reducer App apps to explore

PDF Compressor – Reduce Size

PDF Compressor – Reduce Size

Compress PDF Files Easily

📊 Productivity

Video Compressor & Reduce size

Video Compressor & Reduce size

Compress Photo & Clean Storage

This app efficiently compresses video, image, and audio files on your iPhone and iPad without sacrificing quality. It's ideal for reducing file sizes for sharing on social media, email, or to save valuable device storage.

Smart video compressionMultiple format supportPhoto compression and resizer

📷 Photo & Video

free with in-app purchases

PDF Compressor: Size Reduce

PDF Compressor: Size Reduce

PDF Compress & Reduce Size

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

free with in-app purchases

Image Size Reducer

Image Size Reducer

Compress Images In Bulk

Effortlessly reduce the file size of your photos without sacrificing quality. This app allows for bulk compression and offers customizable settings to optimize image storage on your device.

Bulk image compressionRetains image qualityIntuitive user interface

📊 Productivity

free with in-app purchases

Compress Photos: Image Size

Compress Photos: Image Size

Reduce file size, keep quality

Video Compressor - resize all

Video Compressor - resize all

Simple batch vids size reducer

Easily reduce video file sizes to save storage space and speed up uploads. Compress multiple videos at once without losing sound quality. Keep original files and restore deleted ones if needed.

Batch video compressionPreserve sound qualityFaster uploads and sharing

📷 Photo & Video

Video Compressor | Reduce Size

Video Compressor | Reduce Size

by Hritik Arthur

Zip Extractor : UnZIP & UnRAR

Zip Extractor : UnZIP & UnRAR

Zip Extractor & File Manager

📊 Productivity

File : Quick Folders

File : Quick Folders

Private file organizer

Video Zip - Crop Movie Maker Compress File Size

Video Zip - Crop Movie Maker Compress File Size

Easily reduce the file size of videos captured by your device's camera. Preview the compressed size and select your desired compression rate to save valuable device memory.

Compress videos from cameraReduce video file sizePreview file size before compression

Parad0x Compress

Parad0x Compress

by Saulius Kruopis

Quickly reduce the size of your photos, videos, and PDFs. Save storage space, upload files faster, and share them instantly with a simple one-tap process. Offers options to balance file size and quality.

Compress photos, videos, and PDFsOne-tap compressionBalance file size vs. quality

PDF Compressor: Shrink Size

PDF Compressor: Shrink Size

Shrink, Optimize & Share PDF

📊 Productivity

CompactKit-Compress all files

CompactKit-Compress all files

Save device's space fast

📊 Productivity

Image, Photo Compressor

Image, Photo Compressor

Reduce size of photos

Shrink Photo Size

Shrink Photo Size

Reduce Photo File Size

MediaShrink: Video Compressor

MediaShrink: Video Compressor

by ANAS BOUKETIR

PDF Compress - Size Compressor

PDF Compress - Size Compressor

Reduce PDF Size, compressor

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

free with in-app purchases

FAQ about File Size Reducer App

What is the best file size reducer app for iPhone?

Compress Photos & Pictures tops our file size reducer app ranking as of August 2026, with a 4.7-star average from 22K App Store ratings, and it's free to download.

Are there free file size reducer app for iPhone?

Yes — 19 of the top file size reducer app we rank are free to download, including Compress Photos & Pictures and PDF Compressor - Reduce Size.

Does Compress Photos & Pictures have ads or in-app purchases?

Compress Photos & Pictures shows ads and offers in-app purchases, according to its App Store listing as of August 2026.

How many file size reducer app are on the App Store?

We track 249+ file size reducer app on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.

What does Compress Photos & Pictures do?

This app helps you save storage space on your iPhone or iPad by reducing the file size of your photos. It uses intelligent compression to shrink images without a noticeable loss in quality, making them easier to store and share.

How does the app compress photos?

The app employs an intelligent compression engine that can shrink photos by up to 90% or more. You can choose from two compression settings, and advanced tools allow you to control metadata stripping and export formats for optimal results and privacy.