PDF Search

Search multiple documents insanely fast

PDF Search is an application specifically designed for searching multiple documents. It allows you to find any information in seconds within thousands of them using Artificial Intelligence. It shows the best related pages directly and prevents you from wasting time by opening and browsing the documents one by one.


Different Platforms
Same Power

PDF Search offers the same revolutionary search experience for your iPhone, iPad and Mac. Whether you are at your desk, at a meeting, in an elevator, in a cafe, during a phone call or on the road, it provides instant access to information in thousands of documents with your desktop computer or mobile device.


Artificial Intelligence

PDF Search has the most advanced algorithm to search documents. It searches as fast as a computer, as intelligent as a human.

Detect every pages

Our fastest index database finds any pages containig your keywords including all linguistic options

Run AI Algorithm

Detects the best related pages based on parameters like keyword distance, font size and weight, linguistic features and similarities, page structure.

Instantly Show the best pages

It shows the best related pages instantly. You don't waste time to open documents one by one.


Text Recognition on Images (OCR).

PDF Search has built-in OCR feature. Can detect and index text on images inside documents. This allows you to search for any text on images such as screenshots, photos, handwriting etc...

OCR feature requires macOS 10.15 / iOS 13 or above.

Currently supported languages are below.

macOS 10.15 / iOS 13-> English
macOS 11 / iOS 14 -> English, French, German, Italian,
Spanish, Portuguese, Chinese


Natural Language Processing
to make Linguistic Search

PDF Search indexes documents with their own language characteristics. It detects words, plurals and lemmas using Apple Natural Language framework. So when you search, it searches by taking into account the meanings of the words.

What will NLP do for me?.

Let's say, you are searching for take risk keywords in multiple documents. With the help of Natural Language Processing feature, PDF Search will find also pages containing taking on the risk keywords.

Of course, you can disable or enable this feature at any time.


Export search results as a new summarized PDF.

You've made your search in thousands of documents, and you've found pages about your search in dozens of them. You need to share the results with your colleagues. Do you have to share all documents containing hundreds of pages to share just dozens of related pages? Not anymore. PDF Search allows you to export the most relevant pages in search results as a new PDF document. So you can share a summary report with your friends with a single document.


Not only for PDF

PDF Search also supports office documents (Word, Powerpoint, Pages, Keynote, RTF), text files (TXT, TEXT, ME) and source codes (C, Java, Objective-C, Swift, XML, Python). You can search and view them as fast as PDF. It does not even need to have native applications installed.


Sync from Mac to iPhone or iPad.

If you have both macOS and iOS version of PDF Search, you can easily sync all your documents from Mac to iPhone or iPad over WiFi or Lightning Cable. This is very handy especially when you have thousands of documents. All index database and files are copied. You will not need to index all these documents again on iOS device. It will be ready to search right after sync process.

Key Points

What makes it different?

PDF Search makes intelligent search. Instead of checking only existency, It analyses all pages seperately and makes a relevancy check for each of them according to given keywords. This check is similar to how a human checks documents. For example, a human is more interested on a page if it has a title containing keywords. PDF Search combines all these kind of checks into a brand new artifical intelligence algorithm. Using this, it finds the most relevant pages instantly among thousands of documents.

Instant Show

No wait to see related page

Page Rank

Calculates relevancy rank for each pages

Keyword Distance

Distance between keywords impacts relevancy

Keyword Density

Density on page impacts relevancy


Titles, font size/weight (etc.) impact relevancy

Fast Navigation

Navigate instantly between resulting pages in different documents

Use Cases

It's your best assistant

Analysts, researchers, academics, developers, teachers, students and whoever having lots of documents within their workflow. This app will change your life.

It will boost your productivity in a manner which you wouldn't expect.

Be more efficient in meetings.

Detect problems quicker.

Shorten your researches.

Concentrate better in classes.

User Reviews

What did they say about PDF Search?

Below you can find some of the user reviews on app stores.

Makes searching for a needle in a haystack ridiculously easy. Powerful and intuitive program.

by Kfitz84 – Apr 20, 2020

Saves a LOT of time finding things.

by Fridice – Jul 6, 2019

Best searching tool for large PDF files

by LPM13 – May 12, 2018

This is a wonderfully unobrusive and useful app.

by attima – Feb 9, 2018

I had yearned for a way to search for contents in multiple PDF files, all at the same time, in the palm of my hands. I found this app, bought it, and well, without no doubt - This app just NAILS IT!

by 이라닉 – Jan 13, 2019

Perfect! Very Nice app! Especialy the search result export function recently added!

by Olav Asteson – Jan 11, 2019

Wonderful for book copyeditors. I haven't seen another iOS app that will search multiple Word files at once and show you full results, but this app does.

by kplaz – Dec 15, 2018

Get the app now!

Available for iPhone, iPad and Mac.