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Best Websites To Increase PDF Resolution Apps

242+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

Finding the right websites to increase PDF resolution app can be overwhelming with so many options. We've analyzed 242+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Websites To Increase PDF Resolution

PDF it All Document Converter#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 application is an all-in-one PDF solution that allows you to easily compress, convert, edit, merge, split, sign, protect, and share PDF files. It operates securely on your device without relying on external servers, ensuring the security of your files. Enjoy two free daily conversion tasks or upgrade to the Pro version for unlimited conversions and editing capabilities.

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
PDF Photos#2

PDF Photos by Sarrada Software Inc

Picture to PDF Converter
Strong Contender
💼 Business
4.8😐(14K ratings)
FreeAdsIn-App Purchases
PDF Photos screenshot 1
PDF Photos screenshot 2
PDF Photos screenshot 3
PDF Photos screenshot 4
PDF Photos screenshot 5
PDF Photos screenshot 6

Convert photos to PDF easily with customizable layouts, resizing options, and document branding using our intuitive application. Share PDFs via email, print, or save on cloud storage. Experience the convenience of our JPG to PDF Converter and Photo Grid App.

What We Love

  • 🚀 Easy to use
  • 👍 Convenient for converting photos to PDFs
  • 🚀 Quick and efficient
  • 👍 User-friendly interface

Room to Improve

  • 🔒 Requires paid subscription to access full features
  • 🐛 Crashes or freezes on some devices
  • 🔒 Deceptive about free version capabilities
PDF Converter - Word to PDF#3

PDF Converter - Word to PDF by Minimodev Technologies LTD

Photo to PDF maker & Scan doc
Worth Considering
📊 Productivity
4.7😞(32K ratings)
FreeAdsIn-App Purchases
#38in Productivity
PDF Converter - Word to PDF screenshot 1
PDF Converter - Word to PDF screenshot 2
PDF Converter - Word to PDF screenshot 3
PDF Converter - Word to PDF screenshot 4
PDF Converter - Word to PDF screenshot 5

Easily convert Word documents to PDF files with our application. Convert and share documents seamlessly with just a few clicks. Try it now!

What We Love

  • 🚀 Fast and efficient conversion
  • 👍 Easy to use interface
  • 💡 Useful for converting documents

Room to Improve

  • 💰 Subscription-based model
  • 🔒 Lack of transparency around pricing
  • 🐛 Conversion issues with some file types

More Websites To Increase PDF Resolution apps to explore

4
PDF Editor ,PDF Book Reader ®
PDF Editor ,PDF Book Reader ®
PDF Editor ,PDF Book Reader ®
PDF App,PDF Scanner, Converter
Free

This app is a versatile tool for viewing, editing, and scanning PDF documents. Easily manage your PDF files with a range of convenient features all in one place. Download now to simplify your PDF tasks.

🔧 Utilities
(22K)
5
Adobe Acrobat Reader: Edit PDF
Adobe Acrobat Reader: Edit PDF
Adobe Acrobat Reader: Edit PDF
Documents Editor & Converter
Free

Easily convert, fill, sign, and edit PDF documents on-the-go with this powerful application. Enhance your productivity and streamline your work processes by downloading now!

💼 Business
(623K)
6
pdfFiller: edit PDF documents
pdfFiller: edit PDF documents
pdfFiller: edit PDF documents
Scan, fill, sign,make pdf docs
Free

Transform your iOS device into a comprehensive office with a powerful PDF document editor. Edit, sign, and manage PDF documents seamlessly from anywhere with a range of features. Revolutionize your workflow – try it today!

💼 Business
(7.6K)
7
PDF Converter - PDF Editor・
PDF Converter - PDF Editor・
PDF Converter - PDF Editor・
Scan, Convert to PDF Photo
Free

Easily convert, edit, and sign documents to PDF with this user-friendly application. Streamline your document management tasks in just a few clicks.

💼 Business
(5.8K)
8
Foxit PDF Editor
Foxit PDF Editor
Foxit PDF Editor
View, Edit, Convert, and Sign
Free

Foxit PDF Editor is a versatile mobile app that allows you to view, edit, and annotate PDF files with features like AI Assistant, OCR, and more. It offers reliable, efficient, and secure PDF editing functionality with collaborative and multi-language support. Subscribe for advanced features and a seamless PDF editing experience.

📊 Productivity
(4.8K)
9
Smallpdf: Scanner & PDF Editor
Smallpdf: Scanner & PDF Editor
Smallpdf: Scanner & PDF Editor
compress, convert, ocr, sign
Free

Transform any PDF document effortlessly with our comprehensive PDF application, which includes features such as a PDF reader, scanner, converter, and editor. Experience seamless document management on the go - try it now!

📊 Productivity
(6.8K)
10
PDF Expert: Editor & Converter
PDF Expert: Editor & Converter
PDF Expert: Editor & Converter
Edit, Sign, Convert Documents
Free

Experience the ultimate PDF editing, signing, and conversion tool with an intuitive design on your Apple devices. Unleash your potential with PDF Expert today!

📊 Productivity
(215K)
11
Convert Image To PDF tools
Convert Image To PDF tools
Convert Image To PDF tools
Image to Pdf Convert
Free

Easily convert images to PDF with this offline tool, featuring unlimited conversions, file size display, sharing options, printing, and more. Upgrade to Premium for access to all features. Contact dev.abadi2015@gmail.com for support or suggestions.

📊 Productivity
(2.2K)
12
PDF Reader & PDF Editor
PDF Reader & PDF Editor
PDF Reader & PDF Editor
Read, Edit, Sign PDF Files
Free

A versatile and user-friendly PDF reading app that allows you to easily view, annotate, and edit PDF documents on the go. Enhance your productivity and streamline your document management with our powerful features. Download now to experience effortless PDF handling.

💼 Business
(666)
13
PDF Reader – PDFelement
PDF Reader – PDFelement
PDF Reader – PDFelement
PDF Editor & Viewer, PDF Maker
Free

Edit and annotate PDF files with ease using this powerful application. Unlock a range of tools for efficient document management and collaboration. Experience seamless PDF editing today – revolutionize the way you work with documents.

📊 Productivity
(3.9K)
14
Photos PDF : Scanner Converter
Photos PDF : Scanner Converter
Photos PDF : Scanner Converter
Photo & image to Scan Document
Free

Easily convert photos to PDFs with our scanner application. Scan multiple photos, adjust their order, and save them as a single PDF document. Start digitizing your memories today.

📊 Productivity
(67K)
15
PDF Editor: Read, Scan & Sign
PDF Editor: Read, Scan & Sign
PDF Editor: Read, Scan & Sign
Markup, PDF Converter & Reader
Free

Edit, sign, scan, and manage PDF files seamlessly across devices with our app. Try all premium tools free for 3 days and unlock unlimited possibilities with A1 PDF Editor. Experience efficient PDF conversion, annotation, collaboration, and offline work capabilities. Subscribe now for a free trial and revolutionize your mobile workflow.

💼 Business
(154)
16
Scanner App - Scan PDF & Docs
Scanner App - Scan PDF & Docs
Scanner App - Scan PDF & Docs
Convert Photo to PDF Scanner
Free

Easily scan documents and create PDFs on the go with our convenient scanner app. Say goodbye to bulky scanners and digitize your files effortlessly. Download now to simplify your document management tasks.

💼 Business
(22K)
17
PDF Converter - Reader for PDF
PDF Converter - Reader for PDF
PDF Converter - Reader for PDF
PDF Scanner, Editor, Creator
Free

This application offers a comprehensive PDF solution, allowing users to find, create, convert, and edit PDF documents. Key features include PDF search, conversion tools, editing capabilities, and file management. If you need a tool for finding or converting PDFs, this app is the right choice. Check out the Privacy Policy and Terms of Use for more details.

🔧 Utilities
(18K)
18
PDF Reader & Editor | Xodo
PDF Reader & Editor | Xodo
PDF Reader & Editor | Xodo
Scan, Edit & Convert Documents
Free

An all-in-one PDF editor and reader with features like editing, signing, and compressing files available on iPhone and iPad. Easily store and sync files across different platforms for quick access and editing on the go.

💼 Business
(326)
19
Power PDF - PDF Manager
Power PDF - PDF Manager
Power PDF - PDF Manager
Create, Modify, Secure PDF
Free

Create, modify, and view PDF documents seamlessly on your iPhone or iPad with an intuitive tool that supports a range of essential functions such as creating PDFs from various file types, modifying existing PDFs, and managing files efficiently. Learn more at the provided link for an easier way to manage your PDF documents.

🔧 Utilities
(1K)
20
PDF Viewer by Nutrient
PDF Viewer by Nutrient
PDF Viewer by Nutrient
Fill Forms, Sign, Edit, Redact
Free

An advanced PDF viewing application for iPhone and iPad that allows easy annotation, filling forms, signing, editing, and redacting PDF documents. Access files from various cloud services and enjoy a seamless reading experience on the go.

📊 Productivity
(9.1K)

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