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  • Every tool, in one place

    All PDF tools

    Choose a tool to get started — every one works free in your browser.

    Popular

    Merge PDF

    Combine multiple PDFs into a single organized file.

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    Popular

    Split PDF

    Break one PDF into separate files by page or range.

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    Reorder PDF Pages

    Drag pages into the order you actually need.

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    Rotate PDF

    Fix sideways or upside-down pages in seconds.

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    Delete PDF Pages

    Remove unwanted pages from any PDF.

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    Extract PDF Pages

    Pull selected pages out into a new PDF.

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    Popular Trending

    Compress PDF

    Shrink file size while keeping quality intact.

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    Repair PDF

    Recover a corrupted or damaged PDF file.

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    Popular Trending

    PDF to Word

    Turn a PDF into an editable .docx document.

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    Word to PDF

    Convert Word documents into polished PDFs.

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    Popular

    PDF to JPG

    Export every page as a high-resolution JPG image.

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    JPG to PDF

    Turn photos and scans into one clean PDF.

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    PDF to PNG

    Export pages as transparent-ready PNG images.

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    PNG to PDF

    Assemble PNG images into a single PDF file.

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    PDF to Excel

    Pull tables out of a PDF into a working spreadsheet.

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    Excel to PDF

    Convert spreadsheets into share-ready PDFs.

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    PDF to PPT

    Turn a PDF back into an editable slide deck.

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    PPT to PDF

    Convert slide decks into presentation-ready PDFs.

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    PDF to HTML

    Convert a PDF into clean, web-ready HTML.

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    HTML to PDF

    Render any HTML file as a PDF.

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    Extract PDF Text

    Pull every word out of a PDF into plain text.

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    Extract PDF Images

    Grab every image out of a PDF in original quality.

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    Popular Trending

    Watermark PDF

    Stamp text or a logo across every page.

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    Remove Watermark

    Clean up pages that carry an old watermark.

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    Popular

    Sign PDF

    Draw, type, or upload a signature and place it.

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    Add Page Numbers

    Insert clean, positioned page numbers.

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    Add Header & Footer

    Add document titles and footers to every page.

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    Crop PDF

    Trim margins and whitespace from every page.

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    Trending

    OCR PDF

    Make scanned pages searchable and selectable.

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    PDF Metadata Editor

    Edit title, author, and other document details.

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    Popular

    Protect PDF

    Add a password and lock down permissions.

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    Unlock PDF

    Remove a password you have the right to clear.

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    PDF Viewer

    Open and read any PDF straight in your browser.

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    How it works

    Three steps. That's the whole process.

    01

    Choose a tool

    Pick from the tools above, or drop a file on the homepage and we will suggest one.

    02

    Upload your file

    Drag it in or browse from your device. You will see a live preview and progress bar.

    03

    Download the result

    Get your finished file instantly, and find it again later in your recent files.

    Why choose PDFStack

    Built for the moment you actually need it

    Drag & drop, instantly

    Drop one file or fifty. We queue and process them without slowing down.

    Private by default

    Page-based tools run in your browser — nothing leaves your device.

    Live progress, not guesswork

    A real progress bar and preview, so you know exactly what is happening.

    History & recent files

    Pick up where you left off with a local history of your last conversions.

    Works on any device

    Phone, tablet, or desktop — the same clean workspace, every time.

    Dark mode, built in

    Switch themes instantly; your preference is remembered next visit.

    0 PDF tools
    0 Private — in-browser processing
    0 Files stored, ever
    0 Available, free
    Trusted by teams like yours

    What people say after the tenth file, not the first

    “We merge scanned delivery notes every morning. It used to be a ten-minute chore; now it is one drag-and-drop.”
    Marta Lindqvist
    Ops Lead, freight startup
    “The compress tool got a 40MB portfolio PDF down to something I could actually email. Kept every image sharp.”
    Deshawn Carter
    Freelance designer
    “Sign and watermark in the same tab is the whole reason I stopped switching between three other apps.”
    Priya Nair
    Paralegal
    Frequently asked questions

    Still deciding? Start here.

    Yes. Every one of the 30 tools works free for single files up to 50MB. Pro removes size and batch limits.

    Page-based tools like merge, split, rotate, and watermark run entirely in your browser. Format-conversion tools that need a conversion engine (like PDF to Word) send the file over an encrypted connection and delete it within an hour.

    PDF, Word, Excel, PowerPoint, JPG, PNG, and HTML — in either direction, depending on the tool.

    No account is required to try any tool. Signing up just adds history, larger file limits, and batch processing.

    Yes — every tool is fully responsive and works the same way on mobile browsers.

    Your next file is 20 seconds away

    No install, no credit card — just pick a tool and drop your file in.

    Browse all 33 tools