PDFMate~OCRで文字検索可能なPDFに~

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About this app

PDFmate — A versatile PDF app that solves all your PDF problems, all on your smartphone.

Have you ever experienced any of these? "I want to take a picture of a paper document with my smartphone and turn it into a PDF, but I have to install a separate scanner app." "I just want to add a handwritten signature or line to a PDF, but I have to go back to my computer." "I want to search the contents of a PDF saved as an image, but it doesn't recognize the text." — PDFmate is an all-in-one PDF app for Android, designed to eliminate all those small everyday frustrations.

Just take a picture, and it's instantly converted to a PDF.
Paper documents, receipts, business cards, contracts... simply activate your smartphone camera and take a picture, and it will instantly be converted to a high-quality PDF. Even multi-page documents can be combined into a single PDF by repeatedly taking pictures, so you can digitize entire stacks of contracts or meeting materials. The app automatically corrects for orientation errors during shooting, so you don't have to worry even if you take a picture at an angle.

Edit with annotations and writing, just like on paper.
You can directly add annotations using lines and shapes on the opened PDF. You can edit PDFs just like you would with a red pen, marking important sections, checking off completed items, and adding comments. Added annotations are saved permanently and remain visible the next time you open the document.

Bookmark function allows you to quickly find the desired page in long documents.
Even with documents containing dozens of pages, you can use bookmarks to jump to the desired page with a single tap from the list. No need to start searching from scratch again.

Supports form input.
For PDFs with input fields (form fields) such as application forms and consent forms, the fields are automatically highlighted in the app, allowing you to input directly. The entered content is accurately reflected and saved in the PDF, eliminating the need to print and handwrite or open a computer.

Convert image PDFs to "searchable PDFs" (OCR).
Scanned image PDFs treat text as "images," making them unsearchable. PDFmate allows you to read existing image PDFs, apply OCR (optical character recognition) processing, and save them as "searchable PDFs" with added text information while maintaining the original appearance. Later, when you need to search for something like, "What did that document say?", you can quickly find it using keyword search. The original file is not overwritten; it's saved as a new file with a different name, so you can rest assured.

Print directly from the app
You can print edited and annotated PDFs directly from the app to your printer. There's no need to transfer them to your computer.

Works perfectly offline
Viewing, editing, and OCR processing of PDFs are all completed within your device without an internet connection. Only ad display requires communication, so you won't have trouble checking or editing documents even when you're out and about or in areas with poor reception.

Free, ad-supported app
PDFmate is a free app powered by Google AdMob ads. No personally identifiable information (such as name or email address) or account registration is required. While Google may collect information such as ad identifiers in connection with ad delivery, developers do not have individual access to this information.

Recommended for:

Those who want to quickly digitize paper documents and go paperless

Those who want to easily mark and comment on contracts and documents

Those who want to store large amounts of PDF documents in a searchable format

Those who want to complete PDF forms such as application forms using only their smartphone

Those who find it troublesome to use multiple PDF apps and want to consolidate everything into one app

From scanning to editing, searching, and printing—all your PDF-related tasks in one app. PDFmate transforms your smartphone into a "portable document office."
A versatile PDF app that handles scanning, editing, and OCR search—all in one place.
Updated on
Oct 2, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
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  • No data collected
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What’s new

・スタンプ機能を修正しました。「スタンプ」を選ぶと種類(承認・下書き・社外秘など18種)を選べるようになり、ページをタップした位置に配置できます。
・日本語を含むテキスト注釈を保存したPDFを、他のPDFアプリで開いたときに日本語が表示されない問題を修正しました。
・ページ移動・しおり名・ファイル名変更のダイアログのボタンが、日本語表示でも英語(OK/Cancel)になっていた問題を修正しました。
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Everyone
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About the developer
梅田卓史
udtkfm.software.dev@gmail.com
矢部町2786−6 町田市, 東京都 194-0214 Japan