Documentation

Feature Reference

Detailed documentation for all 30+ fully offline tools included in GoatPDF. Learn how to merge, edit, compress, and scan securely without uploading your files.

Getting Started

GoatPDF is designed for simplicity. Because all features run completely offline on your device, there are no accounts to create, no subscriptions to buy, and no internet connection required. Simply open the app, pick a tool, and select a file from your device storage.

Organize & Edit

Merge PDF

Select multiple PDF files from your device and seamlessly combine them into a single, cohesive document. You can easily reorder the files before merging.

Local Engine

Split PDF

Extract specific pages or split a large PDF into multiple smaller files based on a page range (e.g., 1-5, 8-12).

Local Engine

Organize PDF

Rearrange the order of pages with a drag-and-drop interface. Delete unwanted pages or duplicate important ones effortlessly.

Local Engine

Edit PDF

Add real-time draggable text boxes, draw shapes, freehand scribble, and highlight text directly onto the document.

Interactive Canvas

Crop PDF

Trim the page margins with pixel precision to remove unnecessary white space or focus on a specific section.

Precision Tool

Rotate PDF

Correct the orientation of all pages or selectively rotate individual pages in 90-degree increments.

Batch Action

Page Numbers

Stamp page numbers onto your document. Customize the font, size, format (e.g., "Page 1 of 10"), and positioning (header or footer).

Formatting

Read PDF

A built-in, highly optimized, distraction-free PDF viewer. Includes night mode and smooth scrolling for long reading sessions.

Viewer

Convert FROM PDF

Convert your PDFs into other standard formats. Unlike other apps, GoatPDF performs format conversion using local libraries without uploading to a cloud server.

PDF to JPG

Export every page of your PDF as a separate, high-quality JPG image directly into your gallery.

Local Converter

PDF to Word

Convert PDF documents back into editable Microsoft Word (.docx) formats with text layout preserved.

Local Converter

PDF to Excel

Extract structured tables and data from PDF pages into a clean Microsoft Excel (.xlsx) spreadsheet.

Local Converter

PDF to PowerPoint

Turn presentation PDFs back into an editable PowerPoint (.pptx) file, recreating slides from pages.

Local Converter

Convert TO PDF

Bundle other file types into secure, standard PDF documents.

JPG to PDF

Select multiple photos from your gallery and bundle them into a single, polished PDF file. Perfect for receipts or portfolios.

Local Converter

Word to PDF

Convert Microsoft Word (.docx) documents into PDFs to lock formatting and prevent unwanted editing.

Local Converter

Excel to PDF

Render your Excel (.xlsx) spreadsheets as clean PDF pages for sharing and printing.

Local Converter

PowerPoint to PDF

Save your presentation (.pptx) as a PDF to ensure fonts and layouts remain intact on any device.

Local Converter

Scan to PDF

Uses Google ML Kit's on-device AI to detect document edges from your camera feed, correct perspective, enhance contrast, and export a crisp PDF. Zero server uploads.

On-device ML

Security & Privacy

Protect PDF

Encrypt your documents and add a strong password. The encryption is standard and will be required on any PDF reader.

Encryption

Unlock PDF

Permanently remove the password protection from a file (requires you to enter the correct password once).

Encryption

Redact PDF

Permanently black out sensitive text or images. This is a destructive action that removes the underlying data, not just a visual mask.

Irreversible Action

Sanitize PDF (Safe Share)

Clean your document by stripping all hidden metadata, author information, tracker tags, and creation dates before sharing.

Privacy Tool

Watermark PDF

Overlay a custom text or image watermark on all pages. Control the opacity, rotation, and size to prevent unauthorized use.

Branding

Sign PDF

Draw your signature with your finger or stylus, scale it, and place it anywhere on the document. The signature is embedded locally.

Legal Binding

Advanced Tools

Compress PDF

Dramatically reduce the file size of your PDFs by optimizing internal structures and downscaling overly large images, without noticeable quality loss.

Optimization

OCR PDF (Optical Character Recognition)

Extract selectable and searchable text from scanned images or flattened PDFs. Powered by bundled ML models running strictly on your CPU.

On-device ML

Repair PDF

Attempt to fix and rebuild the structure of corrupted or broken PDF files so they can be opened again.

Recovery

Compare PDF

Visually diff two versions of a PDF side-by-side to quickly spot changes in text, layout, or additions.

Review