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Free Online PDF Editor — Edit, Sign & Annotate PDF

Edit PDF online for free. Modify text, add images, annotate, and fill forms securely in your browser with maximum privacy.

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Features

Direct Text Editing

Simply click on any existing text in your PDF to change, fix, or delete it instantly – just like in a word processor.

Add Rich Content

Easily insert new text blocks, images, logos, and geometric shapes anywhere on your PDF pages.

Maximum Privacy

All processing happens locally in your browser. Your private documents are never sent to a remote server.

Built-in OCR Tech

Extract text from scanned or low-quality PDFs using our high-performance optical character recognition engine.

About the Best Free Online PDF Editor

BosConvertPro's free online PDF editor is your all-in-one solution for modifying documents directly in your web browser. No more need to install heavy software or pay for expensive subscriptions. Whether you need to fix a typo, add images, sign a contract digitally, draw diagrams, or annotate important sections, our tool provides an intuitive and professional experience. Privacy is our priority: all data is processed client-side, ensuring your sensitive info stays on your computer. Direct Text Modification: Edit words and sentences like in Microsoft Word Guaranteed Privacy: Files are processed locally without cloud upload Comprehensive Toolset: Sign, Forms, Annotations, and OCR in one place Completely Free: No watermarks, no page limits, no fees Use Anywhere: Compatible with Windows, Mac, Linux, iOS, and Android Fast & Powerful: Handles even large PDF documents with speed and precision

FAQ

Frequently Asked Questions about PDF Editor (FAQ)

Is this PDF editor truly free to use?
Yes, BosConvertPro's PDF editor is 100% free. There are no hidden costs, no registration required, and we do not add any watermarks to your edited documents.
Is it safe to use for confidential documents?
Absolutely. Unlike most online services, we do not store your files on our servers. Everything happens in your browser, so your data never goes online.
Can I really change existing text in a PDF file?
Yes! Choose the 'Text' tool and click on the sentence you want to change. You can delete text, rewrite it, and adjust fonts (except for image-based PDFs).
Do I need to create an account or download an app?
No, registration or installation is required. You can start editing your PDFs immediately after accessing the site via any modern browser.
Does the editor handle scanned documents? (OCR function)
Yes, we include a built-in OCR feature that recognizes text in scanned images and makes it editable and searchable.
How do I add a signature to my PDF?
Use our dedicated signature tool. You can draw your signature, type it using the keyboard, or upload an image of your handwritten signature.
Are there size limits for files?
Currently, we support PDF files up to 100MB in size. This is more than enough for most business documents, reports, and forms.
Can I delete elements or add images?
Yes, you can select any element to delete it. You can also import images (JPG, PNG) and place them freely anywhere on the pages.
Does it work on smartphones or tablets?
Yes, our interface is fully mobile-optimized. You can comfortably edit and sign documents on iPhone, iPad, or Android devices.
How do I save my edited PDF?
Simply click on 'Save' or 'Download'. Your browser will instantly generate the new PDF and save it directly to your device.