
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.

LightPDF records 1,742,568 monthly visits with -15.3% month-over-month growth and Freemium pricing. TopPDF records 643 monthly visits with -90.6% growth and Freemium pricing.
All-in-one AI PDF tools to edit, convert, compress and translate documents
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | lightpdf.com | toppdf.co |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 1.74M (1,742,568) | 643 (643) |
| MoM Traffic Delta | -314.58K (-15.3%) |
| -6.17K (-90.6%) |
| Primary Market & Share | 🇮🇳 India (24.9%) | 🌐 Global (—) |
|---|
| Direct Visits / mo | 442.07K | 230 |
|---|
| User Rating | 4.2 | 3.9 |
|---|
| 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.
All-in-one AI PDF tools to edit, convert, compress and translate documents
Modify text and images directly inside a PDF and translate document content into many languages while keeping the original page layout intact.
Shrink, merge and split PDFs so large documents are easier to store, share and organise, with compression that aims to preserve visible quality.
Convert PDFs to Word, Excel, PowerPoint and JPG, and convert Word, Excel, PowerPoint, JPG and EPUB back into PDF.
An AI grammar checker that finds grammatical errors and spelling mistakes across multiple languages, plus a paraphrasing tool for fast rewriting.

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.

SpecialistEnterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
#3Free online OCR that turns any image into editable text in seconds
A free, AI-powered PDF editor for every device
AI-powered PDF editor for Windows, Mac and iOS
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.

Cross-platform PDF editing with GPT-powered AI for reading, translating, and signing documents
Chat with any PDF, video, or website and get cited answers in seconds
Excels at developer API integration and chatting with PDFs, but lacks comprehensive traditional PDF editing tools.
Features interactive PDF chat and form filling, but has fewer advanced desktop editing and conversion options.
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.
SpecialistEnterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
Free online OCR that turns any image into editable text in seconds
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.
Features interactive PDF chat and form filling, but has fewer advanced desktop editing and conversion options.