LightPDF vs AskYourPDF

In the battle of LightPDF vs AskYourPDF, which AI PDF tool comes out on top? We compare reviews, pricing, alternatives, upvotes, features, and more.

Between LightPDF and AskYourPDF, which one is superior?

Upon comparing LightPDF with AskYourPDF, which are both AI-powered pdf tools, The upvote count reveals a draw, with both tools earning the same number of upvotes. Since other aitools.fyi users could decide the winner, the ball is in your court now to cast your vote and help us determine the winner.

Feeling rebellious? Cast your vote and shake things up!

LightPDF

LightPDF

What is LightPDF?

LightPDF lets you upload PDFs, Word files, Excel spreadsheets, PowerPoint decks, and scanned documents, then ask questions and get cited answers back. The ChatPDF feature runs on GPT-4, supports multi-document chats, OCR for scanned files, and follow-up questions. You can upload a file up to 100 pages on the free web tier before upgrading.

Unlike standalone ChatPDF clones, LightPDF bundles document chat into a wider PDF toolkit with conversion, editing, e-signatures, and a dozen other AI tools like mind map creation, PDF translation, and presentation generation. One premium subscription covers Windows, Mac, Android, iOS, and the web app, with AI credits allocated monthly or as a one-time pool on the perpetual plan.

Researchers, students, and office workers use LightPDF to summarize contracts, extract tables from financial reports, and pull outlines from long readings. Business teams can also use it for document Q&A on proposals and compliance files. The company behind LightPDF has operated since 2015 and holds ISO/IEC 27001, ISO/IEC 27701, and GDPR certifications.

AskYourPDF

AskYourPDF

What is AskYourPDF?

AskYourPDF lets you upload PDFs and other documents, then chat with them to pull answers, summaries, and quotes without manual page flipping. The platform also embeds a website AI agent, auto-fills PDF forms from your data, and ships mobile apps plus a Chrome extension for the same document chat workflow.

Unlike single-purpose PDF readers, AskYourPDF bundles document chat with form filling and a site-trained agent that answers only from pages and files you provide. Premium tiers unlock knowledge-base chats across multiple documents, OCR, and model picks from GPT-5, Gemini 2.5, and Claude 4.5 families.

Researchers, students, and teams handling contracts or long reports will save the most reading time here. AskYourPDF reports more than 5 million users and publishes a developer API, Zotero plugin, and ChatGPT plugin alongside the web app.

LightPDF Upvotes

6

AskYourPDF Upvotes

6

LightPDF Top Features

  • Chat with PDF, Word, Excel, PPT, EPUB, TXT, and scanned files using GPT-4

  • Upload documents up to 100 pages free on the web app before upgrading

  • Multi-document chat lets you query several files in one session

  • Answers include clickable citations pointing to the source passage

  • Premium includes 1,000 AI credits per month on monthly and annual plans

  • One subscription covers Windows, Mac, Android, iOS, and web platforms

AskYourPDF Top Features

  • Free plan: 100 pages per document, 15MB uploads, 1 document per day, 50 questions daily

  • Premium at $11.99 per month billed yearly with 2500 pages per document and 50 documents per day

  • Pro at $14.99 per month billed yearly with 6000 pages per document and 877MB max upload size

  • Chat with multiple documents through the Knowledge Base on paid plans

  • AI Form Filler pairs a PDF form with source data and fills fields automatically

  • Embed an AI agent trained on your website plus uploaded PDF, TXT, PPT, EPUB, or RTF files

  • Models include GPT-5 Mini, GPT-5.2, Gemini 2.5 Flash, and Claude 4.5 on higher tiers

LightPDF Category

    PDF

AskYourPDF Category

    PDF

LightPDF Pricing Type

    Freemium

AskYourPDF Pricing Type

    Freemium

LightPDF Technologies Used

Astro
WordPress
Cloudflare
Google Tag Manager
PHP
Ruby
Discord
Tailwind CSS

AskYourPDF Technologies Used

No technologies listed

LightPDF Tags

ChatPDF
Document Summarizer
PDF Converter
OCR
Multi-Document Chat
GPT-4
E-Signature
PDF Management

AskYourPDF Tags

PDF chat
document Q&A
Form Filler
Website Agent
Knowledge Base
Chrome extension
Zotero plugin
developer API
By Rishit