- Web app only
- 3 files per day
- 10MB file size limit per file
- Limited PDF tools
- Basic AI chat: first 9000 questions free per month, 1 credit/question thereafter
LightPDF is an AI-powered online PDF tool offering free services to view, edit, convert, sign, annotate, and manage PDFs effortlessly.
Promote this Tool
Update this Tool
LightPDF
LightPDF is an AI-powered online PDF tool offering free services to view, edit, convert, sign, annotate, and manage PDFs effortlessly.
Featured
What is LightPDF?
LightPDF is a comprehensive online PDF tool that leverages artificial intelligence to provide a wide range of PDF services, including viewing, editing, converting, signing, annotating, merging, and managing PDFs with ease. Users can also benefit from features like file encryption and decryption, text recognition, and integration with cloud services for document sharing and collaboration. Whether you're a student, professional, or casual user, LightPDF's user-friendly interface and powerful tools help you handle all your PDF needs seamlessly.
Who will use LightPDF?
- Students
- Professionals
- Freelancers
- Businesses
- Educators
- Researchers
How to use the LightPDF?
- Step1: Visit the LightPDF website.
- Step2: Upload your PDF document.
- Step3: Select the desired tool (e.g., edit, convert, sign).
- Step4: Apply the necessary changes or actions.
- Step5: Download the modified document.
Platform
- web
- mac
- windows
- ios
- android
LightPDF's Core Features & Benefits
The Core Features
- PDF viewing
- PDF editing
- PDF conversion
- Electronic signatures
- PDF annotation
- File encryption and decryption
- OCR (text recognition)
The Benefits
- User-friendly interface
- Supports multiple platforms
- Free to use
- AI-powered tools for efficiency
- Cloud integration for easy sharing
LightPDF's Main Use Cases & Applications
- Editing PDF documents
- Converting PDFs to other formats
- Signing official documents electronically
- Annotating study materials
- Securing sensitive information in PDFs
- Extracting text from scanned documents
LightPDF's Pros & Cons
The Pros
Wide range of PDF tools including AI-powered features.
Available on multiple platforms: desktop, mobile, and web.
Offers free access to many tools and features.
Cloud storage support for document management and access.
Provides developer-friendly APIs and SDKs for integration.
The Cons
Not open-source.
No direct GitHub repository for transparency or community contributions.
No information about limitations or restrictions in the free tier.
Potential dependency on internet connection for cloud features.
Lacks detailed user feedback or reviews on AI performance.
LightPDF's Pricing
| Has free plan | YES |
|---|---|
| Free trial details | |
| Pricing model | Freemium |
| Is credit card required | No |
| Paid from | 4.99 USD |
| Has lifetime plan | No |
| Billing frequency | Monthly |
Details of Pricing Plan
Free
0 USDPremium
4.99 USD- One account for all platforms (Web, Mobile, Desktop)
- Unlimited file size
- 1000 files per month
- 1000 credits for premium users every month
- All PDF and AI tools unlocked
- Faster response
- No request limit during peak traffic
- Advanced AI chat: 20 credits per question
- Multi-document and multi-webpage chats
- Unlimited chat sessions
Discount:Spring sale! Up to 70% OFF
For the latest prices, please visit: https://lightpdf.com/pricingFAQs of LightPDF
LightPDF Company Information
- Website: https://lightpdf.com
- Company Name: LightPDF
- Support Email: [email protected]
- Facebook: https://www.facebook.com/LightPDFEN
- X(Twitter): NA
- YouTube: https://www.youtube.com/channel/UCrHsj8cWh9-sfJ4erLCHtvg
- Instagram: https://www.instagram.com/lightpdf_official
- Tiktok: NA
- LinkedIn: https://hk.linkedin.com/company/lightpdf
Analytic of LightPDF
Visit Over Time
Monthly Visits
1577.8k
Avg Visit Duration
00:01:53
Page Per Visit
2.76
Bounce Rate
46.72%
Sep 2025 - Nov 2025 All Traffic
Geography
Top 5 Regions
India
26.34%
United States
4.76%
Brazil
4.24%
France
3.79%
Taiwan
3.63%
Sep 2025 - Nov 2025 Worldwide Desktop Only
Traffic Sources
Search
67.12%
Direct
28.16%
Referrals
3.36%
Social
0.92%
Paid Referrals
0.40%
Mail
0.04%
Sep 2025 - Nov 2025 Desktop Only
Top Keywords
| Keyword | Traffic | Cost Per Click |
|---|---|---|
| light pdf | 74.0k | $ 0.17 |
| lightpdf | 72.4k | $ 0.19 |
| pdf watermark remover | 21.6k | $ 0.10 |
| remove watermark from pdf | 27.6k | $ 0.20 |
| watermark remover | 640.8k | $ 0.22 |
LightPDF Reviews
5/5
LightPDF's Main Competitors and alternatives?
- Adobe Acrobat
- Foxit PDF Editor
- PDFelement
- Nitro PDF
- Smallpdf
You may also like:
179
100.00% Advanced AI tool summarizing books quickly into concise, meaningful insights across multiple formats.
--
AI-powered tool for quick, accurate, and multilingual article summarization.
--
AI-powered PDF reader that summarizes, translates, and analyzes your PDFs instantly.
--
AI Text Summarizer quickly generates concise summaries from text or uploaded files.
167.1K
24.49% Docsumo automates document data extraction, streamlining workflows for businesses.
--
BringTable converts your bills into actionable data using GPT-4 technology.
77.6K
18.77% Flowith is a canvas-based agentic workspace which offers free 🍌Nano Banana Pro and other effective models...
3.6K
52.73% AI browser extension that summarizes and explains content from any website, PDF, or YouTube video.
497
100.00% ToolSummary offers powerful AI tools to optimize and streamline your productivity effortlessly.
78
100.00% AI-powered PDF document translation with high accuracy and fast, free, supporting 100+ languages.
12.8K
24.49% Auxi is an AI assistant that automates tasks and enhances productivity.
--
Saladict is a pop-up dictionary and page translator supporting AI, web, PDF translation, and word notebook.
8.6K
37.99% Refly.AI empowers non-technical creators to automate workflows using natural language and a visual canvas.
--
Create AI-powered presentations from websites, PDFs, and Word documents with one click.
16
100.00% Convert, manage, and interact with your PDFs effortlessly.
4.2M
10.19% AI-powered PDF Editor with fast processing, conversion, and editing tools.
5.1K
80.26% EA Advocate offers education advocacy services for parents of children with special needs.
--
Smart ChatPDF uses AI to help users interact with PDF documents efficiently.
381.3K
19.05% Clone, Design, and Create Expressive AI Voices in Seconds, with Perfect Sound Effects and Music.
--
AI-powered summaries that help you retain 10X more from videos and books in minutes.
18.1K
23.34% Tabby is an AI Agent designed for intelligent document processing and automation.
11.3K
51.61% DigiParser is an AI agent that automates data extraction and processing from documents.
5.6K
74.10% CtrlSheet simplifies data management, making it effortless to organize, analyze, and visualize data.
69.6K
13.79% SharkFoto is an all-in-one AI-powered platform for creating and editing videos, images, and music efficiently.
63.4K
37.16% ParagraphAI is an advanced AI writing assistant for perfecting writing across apps and platforms.
2.5K
100.00% Convert Unicode text to Kruti Dev for Hindi typing with UnicodeToKruti tool.
37.4K
24.55% Clearly Reader enhances your online reading experience with distraction-free mode and useful features.
424
100.00% An all-in-one code editor for building and hosting static websites.
16.7K
40.35% Transform AI-generated text into readable formats effortlessly.
1.1M
62.06% Qoder is an agentic coding platform for real software, Free to use the best model in preview.
1.3K
81.81% Effortlessly rephrase and enhance your writing with ParaphraseX.
2.1M
32.07% Detect plagiarized and AI-generated content with Copyleaks' AI-based platform.
740.7K
14.54% A comprehensive directory to discover and review AI tools.
1.9M
53.20% ProWritingAid is an advanced writing assistant for grammar, style, and readability improvement.
--
AI-driven chatbot for OnlyFans creators to enhance engagement and increase PPVs.
325.3K
7.92% Trinka is an AI-powered grammar and language enhancement tool for academic and technical writing.
299.7K
12.06% Transform AI text into undetectable, human-like content effortlessly.