Merge PDF Files

Combine multiple PDFs into one file. Processed entirely in your browser.

Click or drop PDF files

Select 2 or more PDFs to merge

    Split PDF

    Extract specific pages from a PDF file. Processed in your browser.

    Select a PDF file

    Rotate PDF

    Rotate all pages of a PDF. Processed in your browser.

    Select a PDF file

    Image to PDF

    Convert JPG or PNG images to a PDF file. Processed in your browser.

    Select image file(s)

    JPG, PNG supported

    Add Watermark

    Stamp text watermark on every page. Processed in your browser.

    Select a PDF file

    Add Page Numbers

    Stamp page numbers on every page. Processed in your browser.

    Select a PDF file

    Complete Guide to Browser-Based PDF Tools

    PDF (Portable Document Format) is the global standard for sharing documents securely across operating systems. Our PDF Suite enables you to manipulate, merge, split, rotate, watermark, and number PDF files directly inside your web browser — with 100% data privacy and zero server uploads for local operations.

    PDF Merging & Splitting

    Combine multiple PDF files into a single unified document or extract specific page ranges into new standalone files. Useful for combining reports, invoices, or academic chapters.

    Client-Side Privacy Guarantee

    Client-side operations utilize WebAssembly and pdf-lib JavaScript library. Your confidential documents never leave your browser memory and are processed entirely offline.

    Image & Stamp Processing

    Convert JPG/PNG images into crisp vector PDF documents, insert custom text watermarks for copyright protection, and add automated page numbers.

    Frequently Asked Questions (FAQ)

    Q: Are my uploaded PDF documents safe?

    Yes. Operations like Merge, Split, Rotate, Image to PDF, Watermark, and Page Numbering execute 100% inside your local browser memory using client-side JavaScript. No file data is sent to external servers.

    Q: Is there any file size limit for merging PDFs?

    Because processing happens in your browser, the limit depends on your device memory (RAM). Standard computers easily handle PDF files up to several hundred megabytes without slowdowns.

    Q: Do I need to install any software or plugins?

    No installation is required. Tools That Help works on all modern web browsers including Chrome, Firefox, Safari, Edge, and mobile browsers.