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Pdf Studio

Free unlimited PDF merger and splitter

Merge and split PDF files with visual previews, drag-to-reorder, and instant downloads. No signup, no cap, no watermark — just the tools you need from Proofmark Studio.

No daily limitsNo signupNo watermark100 MB per uploadPage previewsPrivate — in-memory only
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PDF Tools

One tool for everything PDF

Pick a mode. Merge combines multiple PDFs into one. Split breaks a single PDF into page ranges, fixed chunks, or hand-picked pages.

Drop PDFs here to merge

or click anywhere in this zone to browse. No limit on file count. Up to 100 MB per file.

    Nothing queued yet — your files will appear here as a reorderable list with previews.
    0 files queued

    Merge PDFs

    Why Proofmark PDF

    The premium feel of a paid tool, without the paywall

    Most free PDF tools bury useful features behind daily caps, signup walls, or watermarks. Proofmark PDF ships the killer features — drag-to-reorder, page-level thumbnails, multiple split modes — for free, forever, with no account required. Built as part of Proofmark Studio, a small suite of quiet, focused tools that do one thing beautifully.

    Unlimited and free

    No daily cap, no file count limit, no signup, no email wall. Use it as often as you need, for as long as you need.

    Page-level previews

    Every page is rendered as a thumbnail by PDF.js — locally in your browser — so you can confirm exactly what you are merging or splitting.

    Private by default

    Files are processed in memory and returned immediately. Nothing is persisted, archived, or analysed after your response is sent.

    No watermark

    Your merged or split PDFs contain only your pages. Proofmark never stamps, brands, or alters your content.

    How it works

    1. Drop your files

      Drag PDFs onto the drop zone above. Every file is parsed locally in your browser.

    2. Preview and arrange

      See first-page previews for merging, or the full page grid for splitting. Drag to reorder, click to select.

    3. Download instantly

      Your merged PDF or split zip downloads the moment the server is done. No email, no wait.

    Frequently asked questions

    Is Proofmark PDF really free with no limits?

    Yes. There is no daily cap, no file count limit, and no signup. The only cap is 100 MB per upload to keep the server responsive.

    Are my files uploaded or stored anywhere?

    Files are processed in memory and deleted as soon as the response is returned. Nothing is persisted on disk or in any database.

    Do I need an account?

    No account, no email, no login. Open the page and start merging or splitting.

    Does Proofmark PDF add a watermark?

    Never. Your merged or split PDFs contain only your original pages. No branding is stamped into the output.

    What is the maximum file size?

    Each upload is capped at 100 MB. If you need to work with larger files, split them first and merge selectively.

    Can I reorder PDFs before merging?

    Yes. Drag any row in the merge list to reorder it. Each file shows its first page as a preview so you can confirm the sequence visually.

    How do page ranges work when splitting?

    Use commas and dashes like 1-3, 5, 8-10. Each comma-separated group becomes its own output PDF, so the example creates three files.

    Can I open encrypted or password-protected PDFs?

    Not in this build. Remove the password from your PDF first (any reader with owner access can re-save without encryption), then upload.