Split, merge, convert, edit, compress, secure, and understand your documents from one simple workspace.
Automatically detect textbook units, chapters, and TOC to split into structured PDFs.
Combine multiple PDF documents into a single organized file in your preferred order.
Split a PDF into custom page ranges or separate individual pages into separate files.
Reduce file size while preserving high visual quality for emailing and sharing.
Convert PDF documents into editable Word (.docx) files preserving paragraphs.
Convert JPG, PNG, WEBP, and BMP images into a clean, uniform PDF document.
Extract text from scanned documents and images to make them fully searchable.
Extract structured executive overviews, key takeaways, and study questions locally.
Upload one textbook, automatically detect its units, review the page ranges, customize the filenames, and create separate PDFs.
Find the exact tool you need by keyword, category, or workflow.
Automatically detect textbook units, chapters, and TOC to split into structured PDFs.
Split a PDF into custom page ranges or separate individual pages into separate files.
Combine multiple PDF documents into a single organized file in your preferred order.
Select and delete unwanted or blank pages from your PDF document in seconds.
Select specific pages from a PDF to generate a new standalone document.
Drag and reorder page thumbnails, rotate individual sheets, and discard pages.
Use your camera or document scanner to capture pages and convert them into a PDF.
Reduce file size while preserving high visual quality for emailing and sharing.
Diagnose and reconstruct corrupted, unreadable, or damaged PDF documents.
Extract text from scanned documents and images to make them fully searchable.
Convert JPG, PNG, WEBP, and BMP images into a clean, uniform PDF document.
Convert Microsoft Word documents (.docx) into pristine, universal PDF files.
Convert PowerPoint slide presentations (.pptx) into printable PDF format.
Transform Excel spreadsheets (.xlsx) into clean, neatly formatted PDF tables.
Convert raw HTML code or web page markup into a structured PDF document.
Extract every page of a PDF as high-resolution JPG or PNG images with ZIP download.
Convert PDF documents into editable Word (.docx) files preserving paragraphs.
Transform PDF pages into editable PowerPoint (.pptx) presentation slides.
Extract tables and structured numerical data from PDFs into Excel (.xlsx) spreadsheets.
Prepare PDF metadata toward ISO 19005-1 (PDF/A-1b) archive standard (Experimental).
Rotate PDF pages 90°, 180°, or 270° clockwise or counter-clockwise permanently.
Insert customizable page numbers with custom positions, formats, and offsets.
Stamp custom confidential, draft, or copyright text watermarks across pages.
Trim margins and crop document pages to focus on specific content or tables.
Add free text, shapes, highlights, drawings, and annotations onto document pages.
Fill interactive PDF form fields, text inputs, checkboxes, and export filled data.
Encrypt your PDF with strong user passwords and restrict unauthorized access.
Remove password restrictions from protected PDFs when authorized.
Draw or type your signature and place it securely on contracts and agreements.
Draw opaque blackout vector rectangles over sensitive text and headers (Visual Blackout).
Visually compare two PDF versions side-by-side to pinpoint revisions and edits.
Extract structured executive overviews, key takeaways, and study questions locally.
Translate extracted PDF text between English, Amharic, and other languages.
Convert PDF document hierarchy into clean, structured Markdown for notes and wikis.
Extract structured outlines, generate study guides, translate text into Amharic or other languages, and export clean Markdown.
Synthesize 50-page reports into executive summaries, key terms, and active recall study questions.
Translate educational chapters and documents between English, Amharic, and other languages.
Convert formatted PDF text hierarchy into clean Markdown for Obsidian, Notion, or personal notes.
Engineered from the ground up for privacy, speed, and precision.
Your files are parsed and manipulated in your device memory. Zero uploads to external servers.
No rasterization to low-resolution JPGs. Vectors, text, formulas, and fonts remain 100% sharp.
Save 20 sliced units directly into your computer directory using the File System Access API.
No arbitrary limits on daily files, page counts, or export sizes. Built for teachers and students.
Work with your documents in seconds.
Select from 34 specialized tools or use the search bar to find what you need.
Drag and drop your file into the workspace. It loads locally in milliseconds.
Configure ranges or settings, click process, and download as PDF, ZIP, or to folder.
No subscription required. No paid plans, no premium tier, and no paywalls. Built for students, teachers, researchers, and professionals worldwide.
Split textbooks with PDF Unit Cutter, merge class notes, extract exam chapters, and convert study materials without hidden fees or daily quotas.
DocuNexa is a non-monetized public resource. Every tool is unlocked for everyone.
Your files never touch an external server for core operations. Everything is parsed, encrypted, decrypted, and sliced locally in your browser.
Clear, transparent answers about how DocuNexa works.