MoDocs

byPsychopath · Tools

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8.0

android

AI summary

Lightweight mobile document viewer and editor for PDF, Word, Excel, and PowerPoint files. Fill and sign PDF forms, edit spreadsheet cells, and view presentations with basic formatting support. Open source under MIT license.

Generated by AI. May contain inaccuracies.

About this app

Mobile Documents — a lightweight Android app for viewing and working with documents on your phone.

Features

- PDF — View, search, fill forms (tap to place text, signatures, checkmarks, dates), drag to reposition, adjust font sizes, and save filled copies - DOCX — View Word documents with formatting, images, tables (borders, merged cells, column widths), and basic layout - XLSX — View and edit spreadsheet cells, save changes - PPTX — View presentations with text, shapes, images, and backgrounds

Known Limitations

DOCX

- Documents won't show up exactly how they look in Word, especially if they use complicated features like nested tables or unusual spacing/positioning. For heavy Word editing, use the real thing.

XLSX

- No formula support — formulas are not evaluated, only their last cached values are shown - Editing is limited to viewing and modifying cell values (no formatting changes, no inserting rows/columns)

PPTX

- This is the least baked feature (because it's very rare I open a PPT on my phone) - Complex graphics, SmartArt, charts, and animations will not render - No editing support for presentations — just viewing - If you need to do a lot of presentation editing on mobile, just get Microsoft Office

PDF

- Fill & sign flattens annotations onto a re-rendered copy of the PDF (not a direct edit of the original file structure) - Very large PDFs may be slow to save

License

MIT

document viewer pdf editor office open source offline

What's new

v1.77Sep 11, 2026

Documents & Spreadsheets
Word and spreadsheet saves now preserve original document structure and create copies. - Undo, unsaved-change prompts, and save-and-share use the correct saved file. - PDF fill-and-sign preserves original text, links, page dimensions, and rotation. Added editable text fields, checkboxes, and single-choice form fields. - Spreadsheets now support merged cells, frozen headings, jump-to-cell, horizontal search navigation, pinch zoom, and long-press cell inspection. Formula results are clearly marked as cached. - Word header/footer text, list indentation, numbering continuation, and start overrides now work in page view and PDF output.
New Features
Added PDF and Word printing. - Searchable recent files with format filters. - Clearer notices when some document content cannot be read. - Settings now include theme, wallpaper colors, keep-screen-awake, reading-position memory, default spreadsheet zoom, and recent-file privacy controls.