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Best PDF Tools in 2026: Edit, Convert and Sign

Raimundo Oliveira

By , founder & editor · Published · Updated · 1 min read

Fact-checked against official vendor pages · How we review

LightPDF is our top pick to edit, convert, compress and chat with PDFs, with a lifetime plan at $109.99. For quick reading and signing, free tools like Adobe Acrobat Reader, Microsoft Edge and Preview may be enough.

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Key takeaways

  • LightPDF covers editing, conversion, compression, e-signatures and AI chat in one tool.
  • LightPDF costs $49.99/yr or $19.99/mo, with a $109.99 lifetime offer.
  • Adobe Acrobat Reader is free for viewing, commenting and signing.
  • Microsoft Edge and Preview (Mac) handle basic markup at no cost.

LightPDF · Best all-in-one PDF tool

Free · $49.99/yr · lifetime $109.99 (limited offer)

Try LightPDF

Quick answer

Quick answer

Use LightPDF if you edit, convert or compress PDFs every week. For occasional reading and signing, a free tool you already have (Acrobat Reader, Edge or Preview) is often enough.

Our top PDF tool

  • LightPDF Best all-in-one PDF tool

    Free · $49.99/yr · lifetime $109.99 (limited offer)

    Try LightPDF

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Our picks

ToolBest forPrice
LightPDFEdit, convert, compress, sign, AI chatFree; $49.99/yr; $19.99/mo; lifetime $109.99 (offer)
Adobe Acrobat ReaderReading, commenting and signingFree
Microsoft EdgeQuick highlights and ink on WindowsFree (built in)
Preview (Mac)Merge, annotate and sign on a MacFree (built in)

Reference · checked on each vendor's official page on November 14, 2026 (USD). Prices and offers can change.

1. LightPDF — best all-in-one PDF tool

Edit text, convert to and from Word, Excel and images, compress, sign and ask AI questions about a document. The lifetime plan is $109.99 for a limited time. Read our LightPDF review.

2. Adobe Acrobat Reader — free reader and signer

The standard free reader for viewing, commenting and signing. Editing and conversion need a paid Acrobat plan.

3. Microsoft Edge — free on Windows

Edge opens PDFs with highlight, ink and read-aloud tools. Good for quick markups.

4. Preview — free on Mac

Preview can annotate, sign, reorder and merge pages without extra software.

Need to edit or convert PDFs often?

LightPDF has a free plan, $49.99/yr Pro and a limited $109.99 lifetime plan.

Try LightPDF

Frequently asked questions

What is the best all-in-one PDF tool?

LightPDF edits, converts, compresses, signs and lets you chat with PDFs using AI, on web and desktop.

Is there a free PDF editor?

LightPDF has a free plan with limited features. Adobe Acrobat Reader, Microsoft Edge and Preview are free for reading, highlighting and signing.

How much is LightPDF?

$49.99/yr, $19.99/mo, or a limited lifetime plan at $109.99 (list $299.99).

Can I sign a PDF for free?

Yes. Adobe Acrobat Reader and Preview on Mac let you add a signature at no cost.

Sources checked

General information, not professional advice. Plans, prices and features change: confirm them on the vendor’s official site before you buy. Affiliate disclosure · How we review

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