Free Online PDF Tools — Split, Merge, Convert & Edit PDF

Split, merge, compress, encrypt and convert PDF files online for free. No software to install. No account required. All processing happens in your browser.

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Split PDF

Effortlessly split your PDF document into individual pages or extract specific pages. Free online PDF splitter.
Merge PDF

Combine multiple PDF files into one single document in seconds. reliable and secure PDF merger.
Multi Merge

Merge PDFs by alphabetic order from files or entire folders. Keep your split sets perfectly organized.
Multi Split

Split PDF files by specific page ranges. Customize how you want to divide your documents.
Folder Merge

Batch merge PDF files from different folders. Smart organization for your document management.
Interval Split

Split PDF files by fixed intervals (e.g., every 5 pages). Automate your document splitting tasks.
Convert PDF

Convert PDF to Word, Excel, or PowerPoint formats maintaining original formatting. High-quality conversion.
PDF Security

Protect your PDF files with passwords and encryption. Add watermarks to secure your intellectual property.
Compress PDF

Reduce PDF file size without losing quality. Optimize documents for email and web sharing.
Edit PDF

Add text, images, shapes, and annotations to your PDF. The most advanced online PDF editor.
Image ↔ PDF

Convert images (JPG, PNG) to PDF or extract images from PDF files. Two-way conversion tool.
Rotate PDF

Rotate and flip PDF pages permanently. Change orientation from portrait to landscape easily.
Watermark PDF

Stamp an image or text over your PDF in seconds. Choose typography, transparency and position.

📄 Why Choose AdreTools PDF Suite? 🚀

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100% Secure & Private

Your privacy is our ultimate priority. Unlike other platforms, all PDF processing happens directly in your local browser using WebAssembly. Your confidential documents are never uploaded, stored, or shared with third-party servers.

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Lightning Fast Processing

Enjoy enterprise-grade PDF tools without any cost. Our highly optimized processing engine ensures your files are converted, split, watermarked, or merged in mere seconds, regardless of the file size.

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Cross-Platform & Accessible

Access our comprehensive suite of PDF tools from any device - Windows, Mac, Linux, iOS, or Android. Whether you're at your desktop or on the go with your smartphone, AdreTools works seamlessly without app installations.

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Advanced Splitting & Merging

Easily extract specific pages, split large documents into multiple smaller files, or combine dozens of PDFs into one organized master file using our visual drag-and-drop interfaces.

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Powerful PDF Editor

Edit PDFs directly in your browser. Add text, highlight content, draw shapes, or apply custom image and text watermarks with precision positioning and transparency controls.

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High-Fidelity Conversions

Convert your PDFs to Microsoft Word or Excel without losing formatting. Alternatively, convert JPG, PNG, and other image formats into perfect PDF portfolios in just one click.

❓ Frequently Asked Questions (FAQ)

Yes, absolutely. We prioritize your data security. Unlike traditional online PDF editors that require you to upload your sensitive files to an unknown server, AdreTools utilizes advanced modern browser technologies (like WebAssembly and pdf-lib). This means that for almost all tools, your PDF file is processed entirely on your own device's memory. It never touches our servers.

No installation is required. AdreTools is a 100% web-based platform. You can access all our PDF tools directly through your web browser (Chrome, Safari, Firefox, Edge) on any device, completely free of charge.

Since processing happens locally in your browser, the only real limit is your device's memory (RAM). However, for optimal performance and to prevent your browser from freezing, we generally recommend keeping individual files under 100MB-200MB depending on your computer's speed.

Yes! All the core tools including PDF Splitting, Merging, Editing, Watermarking, Rotating, and Conversions are completely free to use. There are no hidden subscription fees, no daily limits, and no registration required to access these premium features.

It's incredibly simple! Just navigate to our "Image to PDF" tool, drag and drop your JPG, PNG, or WEBP images into the workspace. You can easily drag to reorder them, adjust margins and page sizes, and finally click the download button to generate your new PDF instantly.

Yes. Our Watermark PDF tool allows you to place text (with custom fonts, colors, and opacity) or an uploaded image logo across any specific page range you define. You can also use the 'Mosaic' feature to tile the watermark across the entire background of the document for maximum security.
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