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Classify PDF files in seconds so you stop reading paperwork you don't need

This is our editors' assessment out of 5, not an average of user ratings. The viewpoints on this page are written by AI from what we know about the product. They are not customer reviews.
According to OpenAITools.app telemetry verified on 2026-11-11, DeClassIFY (chromewebstore.google.com) is an AI platform indexed under AI PDF Summarizer generating 0 monthly visits with a month-over-month traffic delta of +0 (0.0%). Its primary geographic market is Global (— traffic share), and it operates on a Freemium pricing model. Top competing alternatives by monthly volume include ChatPDF (1.04M visits/mo), UPDF AI (1.05M visits/mo), PDF Summarizer (5.62K visits/mo).
Absolute lifesaver for sorting through piles of random downloaded invoices and research PDFs.
Categorizes PDFs before you even open them, total time burner eliminated.
Lightweight extension that just works quietly in the background.
Wishes it had custom folder tags, but the auto-sorting is solid.
AI-synthesized perspectives grounded in live site inspection, pricing structure, and category benchmarks — presented as editorial viewpoints rather than individual customer testimonials.
Reads a PDF and assigns it a document category immediately, so you can decide whether it deserves your attention.
Turns a pile of unsorted PDFs into labelled groups you can scan quickly instead of opening file by file.
The extension is only a few hundred kilobytes, so it loads fast and does not slow browsing down.
The developer declares that user data is not collected, sold or used for unrelated purposes.
Installs straight from the Chrome Web Store and updates automatically, with no separate account required.
DeClassIFY installs as a browser extension and works on the PDFs you already download every day. Instead of opening each file to find out what it is, the extension reads the document and assigns it a category, turning a folder of mixed downloads into something you can triage at a glance. The pitch is simple: stop burning hours on files that were never useful to you.
The extension is intentionally narrow in scope. It does not try to be a full document manager, an editor or a cloud drive — it does one job, classification, and keeps the footprint small (under half a megabyte) so it stays out of the way of normal browsing. The listing states that the developer does not collect or sell user data.
Because it is distributed through the Chrome Web Store, installing and removing it takes a single click, and updates arrive automatically. It will suit researchers, students, analysts and office workers who collect large numbers of PDFs and need a fast first-pass filter.
Drop dozens of downloaded papers into a folder and let DeClassIFY label them so you can find the relevant ones first.
Separate lecture notes, readings and administrative PDFs without opening each file during exam season.
Classify invoices, contracts, reports and forms in bulk so the useful documents surface immediately.
Skim-classify a batch of industry reports before deciding which ones deserve a full read.
Side-by-side telemetry comparison of competing AI tools in the same primary category
| Rank | AI Tool | Monthly Visits | MoM Growth | Direct traffic share | Pricing | Head-to-Head |
|---|---|---|---|---|---|---|
| ● | DeClassIFY | 0 | — | — | Freemium | Current |
| 1 | ChatPDF | 1.04M | -3.7% | 44% direct | Freemium | vs ChatPDF |
| 2 | UPDF AI | 1.05M | -7.2% | 19% direct | Freemium, Free Trial, Paid | vs UPDF AI |
| 3 | PDF Summarizer | 5.62K | -11.9% | 39% direct | Freemium | vs PDF Summarizer |
| 4 | PDF.ai | 387.82K | -5.5% | 33% direct | Freemium, Free Trial | vs PDF.ai |
| 5 | PDFgear | 2.85M | -3.4% | 24% direct | Free | vs PDFgear |
| 6 | Briefy | 19.3K | +29.8% | 40% direct | Freemium, Free Trial | vs Briefy |
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