Every PDF tool you need, in one happy place

Yes — every tool is free, with no watermarks, no forced trials, and no server-imposed page or file-size limits. Unlike tools that cap you at a few tasks per day or lock merging and compressing behind a paywall, everything in the core toolkit is free to use. An optional Pro plan adds extras such as saved workflows in the PDF Workspace.

Yes. SmilingPDF processes every file entirely inside your own browser using client-side JavaScript — your PDF is never uploaded to a server, never stored anywhere, and never seen by anyone but you. This is different from most online PDF editors, which upload your document to their servers to process it and may retain a copy afterward. Because everything runs locally on your device, SmilingPDF is a safe choice for sensitive documents — contracts, financial statements, medical records, or anything else you'd rather not send over the internet — and it works the same whether or not you have an internet connection after the page has loaded.

No account, email address, or sign-up of any kind is required to use SmilingPDF. Just open the tool you need, drag in your PDF, and start editing, merging, converting, or compressing immediately. There's no login wall blocking basic features and no registration form standing between you and your file — a big difference from competitors that require an account to unlock merging, batch actions, or higher file-size tiers.

SmilingPDF's built-in PDF Editor lets you add and edit text (including editing text that already exists in a PDF), insert images, and add basic shapes. Freehand drawing and highlighting are coming soon, and signing is handled by the separate Sign PDF tool. For PDFs that have been scanned or exported with flattened/outlined text (so there's no text to click into directly), an on-demand OCR tool can recognize the text on that page so you can edit it like normal. Beyond the editor, dedicated tools cover merging multiple PDFs into one, splitting a PDF into separate files, compressing file size, rotating pages, adding a text watermark, and converting between PDF, Word (.docx), and JPG in either direction.

Yes. SmilingPDF is fully responsive and works on smartphones, tablets, laptops, and desktops alike — there's no app to install. Open it in any modern mobile browser (Safari on iPhone/iPad, Chrome on Android, or any up-to-date desktop browser) and every tool works the same way it does on desktop, including drag-and-drop uploads and touch-friendly editing controls.

There's no artificial file-size or page-count cap. Because every PDF is processed on your own device rather than uploaded to a server, the only real limit is how much memory your device has available — most PDFs, including large ones in the hundreds of pages, work smoothly. Very large documents (100+ pages) may simply take a few extra seconds to load the first time, since your browser is doing real processing work locally instead of a server doing it for you.

Yes — the Merge PDF tool combines any number of PDF files into a single document, completely free and with no server-imposed limit on how many files you combine. Files are merged in the order you upload them; you can remove a file and re-add it if you want to change that order. The merged PDF downloads instantly with no watermark added, since all merging happens locally in your browser rather than on a server.

No. Files are processed in your browser and never uploaded to a SmilingPDF server. Anonymous analytics record only which tool was used, never what was in your document.

Yes. The PDF Editor runs in your browser: edit existing text, add text, images and shapes, then download with no watermark. To sign, use Sign PDF. Scanned PDFs need OCR first.