
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
DeClassIFY records 0 monthly visits with — month-over-month growth and Freemium pricing. LightPDF records 1,742,568 monthly visits with -15.3% growth and Freemium pricing.

Classify PDF files in seconds so you stop reading paperwork you don't need
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | chromewebstore.google.com | lightpdf.com |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 0 (0) | 1.74M (1,742,568) |
| MoM Traffic Delta | 0 (—) | -314.58K (-15.3%) |
| Primary Market & Share | 🌐 Global (—) | 🇮🇳 India (24.9%) |
| Direct Visits / mo | 0 | 442.07K |
| User Rating | 4.2 | 4.2 |
| Supported Platforms | Browser Extension | Website |

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

Free AI-powered PDF editor, converter and reader for every device
Upload a PDF and ask questions in natural language, follow up on details and see which passages the answers came from. A separate chat mode works with YouTube videos.
Translate whole documents, including scanned and image-based PDFs, into 20+ languages while keeping the original formatting and layout intact.
Convert invoices, receipts, bank statements and purchase orders into structured, editable Excel files automatically.
Edit text and images, OCR scanned pages, convert to and from Office formats, then merge, split, compress, watermark, sign and annotate.

SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.

SpecialistEnterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
SpecialistEnterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
Offers a completely free PDF editing and AI assistant experience, but lacks some of LightPDF's cloud-native collaboration features.
Offers a robust desktop suite for OCR and editing, but requires software installation unlike cloud platforms.
Offers a robust desktop suite for OCR and editing, but requires software installation unlike cloud platforms.

Provides quick browser-based PDF editing and e-signatures, but has a less advanced conversational AI assistant.
Provides quick browser-based PDF editing and e-signatures, but has a less advanced conversational AI assistant.

Provides a more polished cross-platform desktop PDF editing suite, but requires a paid upgrade for full AI features.
Offers a streamlined conversational interface for querying PDFs, but provides fewer document editing and conversion utilities.
Highlight the web, learn in public, and build your AI clone
Highlight the web, learn in public, and build your AI clone
Excels at developer API integration and chatting with PDFs, but lacks comprehensive traditional PDF editing tools.

Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser
Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser
Summarize, bookmark and write with AI right in your browser
Summarize, bookmark and write with AI right in your browser