LightPDF

Freemium

AI 驱动的 PDF 编辑器、转换器和阅读器，提供编辑、签名、OCR 及管理云工具。

什么是 LightPDF？

LightPDF is an AI-powered PDF editor, converter, and reader that offers cloud-based tools for working with PDFs in the browser, plus desktop and mobile apps. The site describes it as an all-in-one PDF solution for editing, converting, annotating, signing, organizing, chatting with documents, and more.

Its tool catalog covers a wide range of common document workflows, including OCR, format conversion, PDF creation, watermark removal, compression, merging, redaction, and translation. The pricing page also indicates that LightPDF offers free and paid access, with Premium available across web, Windows, Mac, Android, and iOS.

LightPDF 能做什么？

PDF editing and document handling

Open PDFs in the browser or app, then edit, convert, annotate, sign, organize, and merge files as part of a single workflow.

Broad file conversion support

Use the tools catalog to convert between PDF and common office, image, and document formats such as Word, Excel, PowerPoint, TXT, JPG, PNG, HTML, EPUB, OFD, CAJ, and more.

AI-assisted document tools

Work with AI tools including ChatPDF, AI summarizer, AI analysis, AI Agent, AI PDF Generator, AI Presentation Maker, AI Invoice Generator, and PDF translation.

OCR and image cleanup

Apply OCR and image-processing tools such as JPG to Word, JPG to Excel, scanned PDF enhancement, handwritten notes enhancement, and image watermark removal.

PDF management and security

Protect, unlock, redact, compress, flatten, split, rotate, crop, and compare PDFs from the same toolkit.

使用场景

“Convert documents between formats”

Use LightPDF to turn office files, images, and web content into PDF, or export PDFs into editable formats like Word, Excel, PowerPoint, and text.

“Handle routine PDF tasks in one place”

Work through a document in the browser or on desktop to annotate, sign, merge, split, rotate, crop, compress, or redact files without switching products.

“Process scanned or image-based documents”

Use OCR and image tools to extract text from scanned pages, JPGs, and screenshots, or improve scanned documents for later editing.

“Review and repurpose content with AI”

Ask questions, summarize long files, translate content, or generate mind maps and presentations from documents with the AI toolkit.

“Move between devices with one account”

Use the cross-platform Premium plan when you need the same account across web, desktop, and mobile devices.

常见问题

What can LightPDF do?

LightPDF’s web app supports editing, converting, annotating, signing, merging, managing, and sharing PDF files, and the tools page also lists AI features such as ChatPDF, summarization, mind maps, translation, and PDF generation.

Is there a free version or trial?

The pricing page says there is a free web app option, a free download option, and paid plans that include Premium access across platforms. It also mentions a 3-day free trial for the yearly plan.

Which platforms does LightPDF support?

The site says premium access works across Windows, Mac, Android, iOS, and web. The web app requires an internet connection, while the desktop apps can perform many PDF operations offline.

What payment methods does LightPDF accept?

LightPDF says it accepts major credit cards, PayPal, and bank transfers for enterprise customers. The payment terms also say recurring subscriptions can renew automatically unless cancelled.

How can I contact support?

The pricing page states support is available through live chat or support ticket and that responses are provided within 24 hours. The contact page lists live chat service as 24/7.