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Edit, sign, merge, split, protect and convert — with a live preview of every change. Works 100% offline, free.
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About PDF Editor Pro
PDF Editor Pro is a single, comprehensive workspace that replaces a dozen separate PDF tools — annotate, whiteout, fill and sign, merge, split, organize, rotate, crop, watermark, number, protect, unlock, compress and convert — all with one live preview that updates instantly as you work. Unlike Adobe Acrobat, iLovePDF or Smallpdf, nothing you open is ever uploaded to a server: every edit, every render and every export happens right inside your browser, on your own device.
Open a PDF and every mode is one click away in the same workspace: draw or type annotations, cover mistakes with whiteout, place a drawn or typed signature, reorder and rotate pages, drag in more files to merge, split a document into ranges, add a watermark or page numbers, set a password with real permissions, shrink the file size, or export to PDF, PNG, JPG or plain text. Every change reflects everywhere at once — the main canvas, the thumbnail rail and every panel preview stay in sync, so you always see exactly what you're about to save.
Because everything runs client-side, there is no account, no watermark on your exports, no page or file-size cap hiding behind a paywall, and no waiting on an upload before you can start editing. It works the same way on a laptop or on your phone, and it keeps working — the file you're editing never leaves your device from the moment you open it to the moment you download the result.
Is my PDF uploaded?
No. PDF Editor Pro runs entirely in your browser — opening, editing, rendering and exporting your file all happen on your own device. Nothing is sent to a server, so there's nothing for anyone else to see or store.
Is it really free?
Yes. There's no account, no subscription, no watermark on your exports and no hidden page or file-size limit behind a paywall — every mode in the workspace is free to use.
What can I do in the workspace besides annotate?
Fill and sign forms, merge multiple PDFs or images together, split a document by page range, rotate/crop/reorder/delete pages, add a text or image watermark, stamp page numbers, set a password with print/copy permissions, compress the file, and export to PDF, PNG, JPG or plain text — all from the same live preview.
Can I edit a scanned or password-protected PDF?
Opening a password-protected PDF prompts you for its password before it loads. Scanned PDFs open and can be annotated, organized, watermarked and exported like any other PDF.
Does exporting change the quality of my document?
Pages are copied as-is by default — text, images and layout stay untouched unless you choose to compress, which offers clearly labeled tiers so you know exactly what trade-off you're making.