Best File Viewer Products in 2026

convert anything to anything - more than 200 different audio, video, document, ebook, archive, image, spreadsheet and presentation formats supported.

Key CloudConvert features:

Versatility User-Friendly Interface Cloud Integration API Access

The cross-platform GUI for Rclone.

Key Rclone UI features:

Schedule Tasks Start on Boot Password Protection Sync Configs

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Open DWG and DXF files online for free. View, measure, and share CAD drawings. No AutoCAD, no install, no signup.

Key BlinkCAD features:

DWG Viewer DXF Viewer Signup Required Installation Required

free

Dual pane file manager with powerful compression support and many file format visualization support.

Key FileVoyager features:

Archiving Compare Comparison Multimedia Integration

free

Open OTDR files from any instrument in the browser: .sor, .msor, EXFO and Anritsu .trc, Fluke .tst, VIAVI .csor and more. Measure, save as .sor, get a PDF report. Free without sign-up; Professional adds whole-cable reports, batch edits and projects.

Key OTDR Master features:

File formats supported Archives Measurements Analytics Editing

freemium $9.99 / Monthly (Professional, billed yearly ($119.88))

Open winmail.dat and EML safely in your browser.

Key Mail File Viewer features:

No Outlook Required Broad Format Support User-Friendly Interface Free to Use

free

Open Parquet files up to 50 MB in your browser. Inspect schema and compression, sort and filter rows, and export the active view as CSV.

Key ParquetViewer.tools features:

Browser-based accessibility No installation required Simple interface for a niche format Free to use

Open PSD, Adobe XD and Figma (.fig) files directly in your browser — nothing is uploaded, no account needed. Free local file viewer.

Preview Office, PDF, CAD, archives, and 208 file extensions in the browser. Workers, WASM, fonts, and vendor assets stay on your network.

100% private, in-browser JPEG XL converter. No sign-up, no limits, no watermark.

Key JPEG XL Convert features:

Converter Viewer Guides and Tips

free

Open .eml and .msg email files in your browser — nothing uploaded.

Key EML Tool features:

Specialized EML File Handling File Conversion Capabilities No Email Client Required Web-Based Accessibility

free

File Conversion in the Cloud .

Key Convertio features:

Ease of Use Wide Format Support Cloud Integration Cross-Platform Accessibility

encryptomatic is a smart email encryption software which provides tons of tools in encryption protocols for secure communication and business transaction.

Key encryptomatic features:

Strong Security User-Friendly Interface Versatile Integration Reliable Customer Support

A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.

Key Total Commander features:

Dual-pane Interface Customizability Built-in FTP Client Plugin Support