LightPDF records 1,742,568 monthly visits with -15.3% month-over-month growth and Freemium pricing. Word Express (GPT4Office) records 0 monthly visits with 0% growth and Free Trial, Paid pricing.
Free AI-powered PDF editor, converter and reader for every device
A GPT-powered Word add-in for writing, images, voice and transcription
| Dimension / Metric | | |
|---|---|---|
| Official Domain | lightpdf.com | gpt4office.com |
| Pricing Model | Freemium | Free Trial, Paid |
| Monthly Visits | 1.74M (1,742,568) | 0 (0) |
| MoM Traffic Delta | -314.58K (-15.3%) | 0 (0%) |
| Primary Market & Share | 🇮🇳 India (24.9%) | 🌐 Global (—) |
| Direct Visits / mo | 442.07K | 0 |
| User Rating | 4.2 | 2.3 |
| Supported Platforms | Website | Website |
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.
A GPT-powered Word add-in for writing, images, voice and transcription
Prompt GPT models from a Word task pane to generate paragraphs, outlines and full article drafts without leaving the document.
Rephrase sentences, adjust tone, or condense long sections into short summaries directly in the open document.
Create AI-generated illustrations from text prompts and insert them into your Word file.
Convert audio recordings into editable text for meeting notes, interviews and dictation.
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.
AI translation for text, images, documents and speech in 100+ languages
AI translation for text, images, documents and speech in 100+ languages
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.
On-premise translation and speech recognition for enterprises
On-premise translation and speech recognition for enterprises
Bring ChatGPT, Claude and Gemini into Google Docs, Sheets, Slides and Gmail
Bring ChatGPT, Claude and Gemini into Google Docs, Sheets, Slides and Gmail
Excels at developer API integration and chatting with PDFs, but lacks comprehensive traditional PDF editing tools.
