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Change PDF paper size, image resolution, margins, and page layout

A multi-format notebook for handwriting, PDFs, voice notes, and study documents.

A teaching whiteboard with video calls, lesson materials, and PDF or image annotation.

PDF editing with interactive forms and digital signatures

Repair PDF tags, tables, and logical reading structure

PDF editing and OCR for Windows and Mac

PDF editing and detailed splitting options online

Free PDF editing, OCR, and conversion across devices

PDF assembly through graphical and command-line tools

Command-line PDF validation, page layout, and resource tools

PDF tagging, manual repair, and built-in validation

AI product designer that turns prompts or images into pages, components and frontend code.

PDF editing with desktop, online, and scanner apps

A consolidated PDF processing and conversion catalogue

Collect and export PDF highlights and annotations

PDF parsing tool that turns PDFs into structured data

Extract tables from text-based PDFs into spreadsheets

An open-source desktop PDF toolkit with inspection and CLI tools

Edit and convert PDFs with OCR and batch tools

Write or sketch by hand, then convert, search, and organize the result.

Prepare watermark-free previews from a product’s own mockup views.

Command-line page imposition through LaTeX

Render paginated HTML into PDF with a command-line workflow

Arrange PDF pages for several booklet and binding schemes