- Free to open
- Read, search and copy text. Use page dimming or inversion for reading at night.
- Free tools
- Fill forms, add visual signatures, highlight, annotate and stamp. Read scanned text with offline OCR, save searchable copies or sign with your own certificate.
- With Pro
- Edit existing text, redact content, organize pages, convert to Word, Excel or PowerPoint, add page numbers, headers, footers or watermarks, and use supported protection tools.
Limits: OCR languages depend on installed Windows language packs. Certificate checks do not consult online revocation services. Archival PDF copies use limited checks, not full PDF/A validation.
- Free to open
- Read documents on a page canvas, including their formatting, tables and pictures.
- Free tools
- Save a PDF copy of a supported document.
- With Pro
- Save supported text, formatting, styles, lists, tables, pictures, headers, footers and review edits.
Limits: Typing around supported fields and note references is available. Paragraphs containing tracked changes, text boxes, pictures or empty fields can remain read-only. Complex layouts may differ; macros do not run.
- Free to open
- View formatted document pages.
- With Pro
- Edit paragraph text, insert or delete paragraphs, and save in place.
Limits: Formatting is preserved rather than edited. Paragraphs with tabs, breaks, links, fields or frames are read-only.
- Free to open
- Read the text of older Word documents and PowerPoint decks, rich text files and XPS documents, then find, copy or print it.
Limits: These files open read-only as extracted text, without page layout, pictures or formatting.
- Free to open
- Browse sheets, inspect formulas and sort or filter the view. Supported dependent formulas recalculate after literal cell edits.
- Free tools
- Export a sheet as CSV or save a supported workbook as a PDF copy.
- With Pro
- Save cell values, use supported formula entry and editing, and save eligible row or column changes and Sort sheet ordering. Use supported validation, chart insertion/deletion and basic chart data-range/type changes.
Limits: Unsupported formulas need a full spreadsheet app. Structural edits and saved sorting refuse sheets whose features cannot be preserved. View sorting remains separate. Macros do not run.
- Free to open
- Browse spreadsheet cells and saved formula results.
- With Pro
- Save supported cell-value edits in place.
Limits: Formulas are not recalculated. Structural row and column editing is not included for ODS.
- Free to open
- Open tabular data, sort or filter the view and print displayed rows. Legacy XLS opens read-only.
- Free tools
- Edit supported CSV and TSV cells while preserving surrounding file text. Export a complete supported grid as CSV.
- With Pro
- Create a supported values-only XLSX copy.
Limits: Legacy XLS does not save edits back to the original format. A values-only XLSX copy does not retain workbook formulas or formatting.
- Free to open
- Read slides or present full screen with keyboard navigation and speaker notes.
- Free tools
- Save a PDF copy of a supported deck.
- With Pro
- Edit slide text and notes, add or reorder slides, insert pictures and reposition text boxes or pictures.
Limits: Animations, embedded media and unsupported shape properties are preserved rather than edited. Pattern fills and master text styles can differ. PDF copies cover PPTX decks, not macro-enabled PPTM.
- Free to open
- Read slides and present full screen with keyboard navigation.
- With Pro
- Edit slide text and add, duplicate, move or delete slides.
Limits: Speaker-note editing, picture insertion and object positioning are available for PPTX only.
- Free to open
- Read Excel, PowerPoint and OpenDocument templates and PowerPoint shows. Present slides full screen with keyboard navigation, or browse template sheets in the grid.
- Free tools
- Export a template sheet as CSV.
Limits: These files open read-only. Macro-enabled Excel templates (XLTM) show extracted text only, and macros do not run.
- Free to open
- View images, move through a folder with arrow keys, and print an image fitted to the page.
- Free tools
- Crop, resize, rotate, flip and adjust a picture, or remove its background on the PC. Save PNG, JPEG or BMP copies, or read its text with offline Windows OCR.
- With Pro
- Convert or resize many images in one batch.
Limits: AVIF needs an installed Windows codec. HEIC and HEIF use a bundled decoder for common still photos up to 64 MB; other variants depend on installed Windows codecs. Animated GIFs play, and edits save a still copy. Camera raw formats are not covered here.
- Free to open
- View SVG and compressed SVGZ drawings, zoom and rotate the view, and move through a folder with arrow keys.
- Free tools
- Save an SVG copy without its metadata.
Limits: Drawings cannot be edited, printed or read with OCR here.
- Free to open
- Browse entries and open supported files inside an archive.
- Free tools
- Save individual entries or extract supported entries together. Create ZIP, TAR, TAR.GZ or 7Z from files or a folder with paths kept. Add files or remove entries, then save in place or as a copy. Create encrypted ZIP archives or encrypted copies of supported open archives.
Limits: Encrypted source archives can open read-only. Extraction applies safety and space limits, preserves existing destination files and reports partial completion.
- Free to open
- Browse single-file RAR4 and RAR5 archives, including password-protected ones.
- Free tools
- Save or extract supported entries.
Limits: RAR archives cannot be rewritten. Split multi-volume sets and link entries are not supported.
- Free to open
- Browse the files inside packages, disc images and compressed files, and open supported ones.
- Free tools
- Save individual entries or extract supported entries together.
Limits: These files are browsed and extracted, not rewritten. Packages are not installed or re-signed, and disc images are not mounted. ISO support covers ISO 9660, Joliet and UDF 1.02 to 2.50 data images. Packet-written UDF discs and links are not supported; entries over 512 MiB list but do not extract, and extraction stops at 2 GiB.
- Free to open
- Read the pages in order with Read comic, which remembers your page, or browse the archive entries.
- Free tools
- Save individual entries or extract supported entries together.
Limits: Comic archives are not rewritten. Read comic shows JPEG, PNG, WebP, GIF and BMP pages. Split RAR volumes are not supported.
- Free to open
- Read supported ebooks locally.
Limits: No ebook editing or DRM removal.
- Free to open
- Read text and code, with syntax highlighting for common languages.
- Free tools
- Edit and save compatible plain-text and code files, with find and replace, undo, redo and local version history.
Limits: Viewing or editing source code does not execute it. Specialized structured-data views can be read-only; use the compatible text view when available.
- Free to open
- Read settings, data and log files as text, with syntax highlighting for YAML, TOML and INI-style settings.
- Free tools
- Edit and save them with find and replace, undo, redo and local version history.
Limits: Files open as plain text: maps, feeds and notebooks are not drawn or run. Files over 8 MB or 50,000 lines open read-only. Binary property lists are not converted to text.
- Free to open
- Open caption files as text with their timings as written. The video player can also show SRT, WebVTT, ASS and SSA subtitles with a video.
- Free tools
- Edit and save caption text with find and replace, undo, redo and local version history.
Limits: There is no caption timeline, and timings are not re-synchronized. The video player shows subtitle text without its styling.
- Free to open
- Read supported Markdown documents and saved web pages. Edit Markdown source beside its formatted preview and save free.
Limits: Edit Markdown through its source view. Saved-page viewing is not a full web browser.
- Free to open
- Open the file as text to see the tracks, stream addresses or Drive link it holds.
Limits: Playlists are not played here. A Google Drive shortcut points to a document stored in Drive; download it as DOCX, XLSX or PPTX to open it here.
- Free to open
- Inspect supported saved messages (EML and Outlook MSG), calendar files and contacts.
- Free tools
- Save or open email attachments.
Limits: These file viewers do not connect to an email account or synchronize a calendar or address book.
- Free to open
- Read X.509 certificate details offline: subject, issuer, validity dates, public key and fingerprints. Step through every certificate in a bundle or chain.
- Free tools
- Copy the details, save them as text, print them, or export a certificate as PEM.
Limits: Status comes from the certificate dates; revocation is not checked. Private key files and PFX or P12 containers open to a short explanation, and their contents are not shown.
- Free to open
- Inspect SQLite tables, schema and supported query results.
- With Pro
- Edit supported rowid tables with checked saves.
Limits: Unsupported table structures and query results remain read-only. A .db extension alone does not identify a SQLite file.
- Free to open
- See a font’s details and character set, and type a sample line to see it at every size.
- Free tools
- Print a specimen sheet or save it as a PNG picture.
- With Pro
- Save a WOFF web font as the TTF or OTF font inside it.
Limits: Fonts are not edited or installed here. WOFF2 web fonts are not supported.
- Free to open
- Play supported audio through Windows codecs, with speed, repeat, volume and seeking. Inspect tags and file details.
- Free tools
- Trim supported MP3 and WAV into lossless copies. Convert supported audio to M4A, WAV or MP3.
Limits: Playback and conversion depend on installed Windows codecs and the source encoding. Not every track or container is supported.
- Free to open
- Play supported video using Windows codecs, with speed, repeat, volume and full-screen controls.
- Free tools
- Trim video, join clips or save an MP4 copy using the Windows H.264 encoder.
- With Pro
- Cut a part out of a video or make a GIF.
Limits: Codec availability determines what opens. Cuts align to frames. Supported AAC audio can be copied; other audio may be re-encoded. ASF output and lossless video copying are not included.
- Free to open
- Use Open as to inspect a file as text or hex bytes when possible.
Limits: An unknown extension does not guarantee a readable document. Unsupported or unsafe files may be refused with an explanation.
This reference describes Windows 4.0.0. Android features and format support are listed separately. Complex files can have additional limits.
