What is DeClassIFY?
DeClassIFY is a Chrome browser extension designed for rapid PDF categorization; it can automatically classify PDF files in under one second, significantly reducing the time users spend sifting through irrelevant documents.
Key features
Automatically categorize PDF files with a single click—no need to manually assess each document's content type.
Supports direct in-browser handling of PDFs, boosting document management efficiency in research, study, and office settings.
Use cases and audience
Users such as researchers, students, and content reviewers who need to rapidly process large numbers of PDF documents.
- Automatically categorizes PDF files, eliminating the need to manually review each document for relevance.
- Complete PDF document classification in under one second
- Boost the efficiency of researchers, students, and content reviewers when handling large volumes of PDF materials
PDF files
Categorized PDF files
Frequently asked questions
Does DeClassIFY collect user data?
The developer states that they do not collect or use your data, nor do they sell it to third parties or use it for purposes unrelated to the plugin’s core functionality.
How to use
- 01
Install the DeClassIFY extension in Chrome
- 02
Open the PDF file you wish to process
- 03
The extension automatically begins classifying the PDF content
- 04
Review the classification results and proceed with further actions
Official website & sources
Updated on 2026-10-30