Universal File Opener

Popular file types

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    File tools

    File tools for Windows

    What you can open, edit and save, offline.

    Reading is free. Try any editor before you buy Pro. Compare free and Pro

    PDF documents

    Fill forms, annotate pages, read scanned text with offline OCR and save searchable copies. Sign a PDF with your certificate or inspect existing digital signatures.

    Forms, annotations, OCR and certificate signing are free. Pro saves text and page edits and PDF to Office conversions.

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    Word documents

    Edit DOCX text, formatting, lists, tables and pictures. Work with supported headers, footers and review tools. ODT supports paragraph-text edits.

    Free to read and try editing. Pro saves supported changes.

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    Spreadsheets

    Edit values and formulas with recalculation of supported functions, sort rows, and use validation and charts. CSV and TSV cells edit too.

    Reading and CSV or TSV saves are free. Pro saves workbook edits, including formulas and chart ranges.

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    Presentations

    Edit text and arrange slides in PPTX and ODP decks. PPTX also supports notes, picture insertion and object positioning.

    Reading and presenting are free. Pro saves supported edits.

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    Images

    Crop, resize, rotate, flip and adjust pictures. Save a PNG, JPEG or BMP copy, or read image text with offline Windows OCR.

    Supported image viewing, editing and copies are free.

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    Archives

    Browse and extract archives, compress files or a folder with paths kept, and add or remove entries in supported archives. Create encrypted ZIP copies.

    Browsing, extraction, archive creation, archive edits and encrypted copies are free. RAR stays read-only.

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    Text, code and data

    Edit text, code and Markdown with find and replace and a formatted preview. Compare document text or edit supported SQLite tables.

    Text, code, Markdown and comparison reports save free. Pro saves SQLite edits; hex view is read-only.

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    Audio and video

    Play audio and video, trim, cut and join clips, save video as MP4 and convert audio to M4A, WAV or MP3 using Windows codecs.

    Playback, trims, joins, MP4 copies and audio conversion are free. Pro saves cuts and GIFs.

    Formats and limits

    Books and saved files

    Read EPUB and MOBI books, saved web pages and email. View contact and calendar files without connecting an account.

    Reading is free. Encrypted or DRM-protected books are not supported.

    Formats and limits

    Describes Windows 4.0.0.