Every PDF Tool You Need, Directly in Your Browser.
Experience lightning-fast document processing without compromising your privacy. All files are processed locally on your device—no uploads, no wait times, no registration.
Our Local PDF Utilities
Select a tool below to start editing your files securely. All processing happens entirely within your web browser.
Merge PDF
Combine multiple PDF documents into a single unified file instantly.
Split PDF
Extract specific pages or split a PDF into multiple separate files.
Annotate PDF
Draw, highlight, add shapes, and type text directly on your documents.
Protect PDF
Secure your PDF files with a strong password and AES encryption.
Unlock PDF
Permanently remove passwords and editing restrictions from your PDFs.
Repair PDF
Fix corrupted, broken, or unreadable PDF files instantly.
Sign PDF
Draw, type, or upload your signature to sign documents locally.
Delete Pages
Remove unwanted pages from your document with a single click.
Rotate PDF
Permanently rotate individual pages or the entire file easily.
Organize PDF
Rearrange, sort, and reorder your pages visually.
JPG to PDF
Convert your image files (JPG, PNG) into a high-quality PDF.
PDF to JPG
Extract PDF pages and save them as high-quality images.
Extract Pages
Pull out specific, odd, or even pages into a new document.
Extract Images
Save all pictures and graphics from a PDF in high quality.
Redact PDF
Permanently black out sensitive text and hidden information.
Crop PDF
Remove white margins and resize pages for better readability.
Add Page Numbers
Insert customizable page numbers into your document structure.
Add Watermark
Stamp text or image watermarks to protect your documents.
Add Blank Pages
Insert perfectly sized empty pages anywhere in your document.
N-Up Print
Shrink and arrange multiple pages onto a single sheet.
Reverse PDF
Invert the page order of your document from last to first.
Flatten PDF
Make forms, signatures, and annotations permanent and uneditable.
Bates Numbering
Stamp sequential Bates numbers on legal documents safely.
Grayscale PDF
Convert colored PDF text and images to simple black & white.
Edit Metadata
Modify author, title, keywords, and hidden document properties.
Why Choose gKPDF?
We are redefining online document management by prioritizing your privacy, speed, and workflow efficiency.
Zero Data Uploads
Your files never leave your computer. We process everything directly within your browser's memory, ensuring your data cannot be intercepted.
Lightning Fast
Since there is no waiting for files to upload or download from a remote server, document processing happens instantly, powered by your device.
Completely Free
We believe essential digital tools should be accessible. There are no premium subscriptions, paywalls, or hidden fees to use our core utilities.
No Watermarks
We respect your original content. We never alter your documents by adding our logo, promotional text, or hidden watermarks.
No Account Required
Skip the tedious registration process. You don't need to provide an email address or create an account to start editing your files.
Unlimited File Size
Free from artificial limits. Because the processing is local, you can edit massive PDFs as long as your computer has enough RAM to handle them.
Cross-Platform
Built with modern HTML5 and WebAssembly, our tools work flawlessly on Windows, Mac, Linux, iOS, and Android natively.
Print-Ready Quality
Our engine structurally modifies the PDF without rasterizing or compressing it, keeping your vector fonts and images at 100% original quality.
Frequently Asked Questions
Everything you need to know about our technology and pricing.
Are my PDF files uploaded to your servers?
Absolutely not. gKPDF is built entirely on client-side technology. When you select a file, it is read and modified directly within your web browser's memory. Your data never touches our servers, ensuring total privacy.
Is gKPDF really 100% free?
Yes! There are no hidden subscription tiers, no paywalls, and no daily usage limits. Every single PDF utility on our platform is completely free for both personal and commercial use.
Do I need to install any software to use these tools?
No installation is required. Our advanced WebAssembly engine runs natively in any modern web browser like Chrome, Safari, Firefox, or Edge. Just open the website and start editing.
Is there a maximum file size limit?
Because the processing happens locally on your machine, there are no artificial file size limits imposed by us. The only limitation is the amount of available RAM on your specific computer or mobile device.
Do your tools add watermarks to the processed files?
No. We believe your documents belong to you. We never alter your content by adding our logo, promotional text, or hidden watermarks to the PDFs you generate.