Edit PDFs entirely in your browser — merge and split, reorder, rotate and delete pages, add a watermark, annotate with notes and highlights, and extract text and images. Nothing is uploaded.
No account · no install · nothing uploaded · MIT open source
# edit a PDF — in your browser 1. Import one or more PDFs 2. Arrange reorder · rotate · delete 3. Edit watermark · annotate 4. Export download the new PDF
Open the studio's 📄 PDF tab to start.
Everything runs locally — your documents never leave your device.
Drop one or more PDFs. Importing several merges them into a single working document.
Drag to reorder, rotate, duplicate or delete pages in the thumbnail rail.
Add a text watermark and comments — notes, highlights, shapes and arrows.
Download the edited PDF, a split range, extracted text, or page images.
Yes. slicerflow is free and open source, needs no account, and runs entirely in your browser.
No. Everything happens locally in your browser — your files never leave your device, so it is private by design.
Merge and split PDFs, reorder, rotate, duplicate and delete pages, add a text watermark, annotate with notes, highlights and shapes, and extract text and images.
Not yet — the current version focuses on editing existing PDFs. Format conversion (EPUB, Office, images) is planned for a later release.
You can view, reorder, watermark and annotate scanned PDFs, but text extraction needs a real text layer — scanned images have none (OCR is not included).
Merge, split, watermark, annotate and extract — free, in your browser.