All-in-one PDF toolkit
Work with a broad set of document tasks in one browser-based toolkit, including edit, sign, merge, split, compress, convert, watermark, repair, redact, and crop operations.
ButDoc is a browser-based PDF and document toolkit for editing, converting, compressing, and OCR processing. Work with files online without desktop software.

ButDoc is a browser-based PDF and document toolkit for editing, converting, compressing, and managing files online. It combines PDF utilities with Word, spreadsheet, presentation, image, and text converters so users can handle common document workflows from one site.
The product is positioned for individuals, educators, businesses, and government teams that need to move between file formats, extract text from scanned PDFs, or make documents easier to share and store. The site emphasizes no installation, browser access on desktop and mobile devices, and automatic file deletion after processing.
Work with a broad set of document tasks in one browser-based toolkit, including edit, sign, merge, split, compress, convert, watermark, repair, redact, and crop operations.
Convert between PDF and common office and image formats such as Word, Excel, PowerPoint, JPG, PNG, TXT, and EPUB, as well as DOCX, CSV, HTML, Markdown, and more.
Use OCR to turn scanned PDFs and image-based documents into searchable text, with support for 95+ languages and a Tesseract-based recognition workflow.
Reduce PDF file size for email and web sharing, or repair damaged PDFs when files are corrupted or hard to open.
Edit, annotate, sign, add page numbers, watermark, encrypt, unlock, flatten, and redact documents directly in the browser without installing desktop software.
Process files on any desktop or mobile browser, with uploads encrypted in transit and automatic deletion after processing.
Edit PDFs by adding text, shapes, comments, signatures, page numbers, watermarks, or redactions without installing desktop software.
Turn scanned forms, invoices, contracts, or book pages into searchable PDFs so users can copy text and find terms with Ctrl+F.
Convert PDFs into Word, Excel, PowerPoint, JPG, PNG, TXT, or EPUB files when content needs to be reused in other tools.
Compress large PDFs for emailing, web upload, or storage when reducing file size matters more than preserving every original byte.
Repair damaged PDFs or flatten documents when a file needs to be read-only or more reliable for distribution.
Use the Edit PDF tool to add text, images, shapes, or comments directly in the browser. If you need to change existing PDF text, convert the file to Word first with the PDF to Word tool.
Yes. The site states that most tools are free to use, with generous daily limits, and that no software installation is required.
No. ButDoc works in the browser on desktop and mobile devices, so you do not need to install software or plugins.
ButDoc says files are encrypted in transit and deleted automatically after processing. The site mentions 256-bit SSL encryption and automatic deletion after one hour or 60 minutes, depending on the page.
For OCR, the site says scanned documents and images are processed into searchable text. The OCR FAQ notes that printed, typed text works best, while neat handwriting may be less accurate.