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

Capture website screenshots, render HTML/CSS, or create templated graphics. Render images or PDFs. Use MCP with AI, no-code automation, or the REST API. No browsers needed.

Key HTMLCSS to Image API features:

Ease of Use Customization Efficiency Scalability

Visit website freemium $14 / Monthly Sponsored

The ultimate CSV Editor. Import, tweak, fix, analyse and convert.

Key Csv Easy features:

User-friendly Interface Quick Data Processing Compatibility Cloud-based Access

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

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

Key FileVoyager features:

Archiving Compare Comparison Multimedia Integration

free

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

View any file online, directly in your browser.

Key Docs Online Viewer features:

Accessibility Multi-format Support Convenience Integration

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 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 CSV, Excel, JSON and TXT online. Nothing is uploaded.

Open Source free

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

Key FileViewer.app features:

No installation required Cross-platform access Convenient for quick previews Simple interface

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

View Apple Wallet .pkpass passes on Android, Windows or any browser. See the pass and its barcode. Free, no sign-up, nothing uploaded.

freemium $4.9 / One-off (Trip Pass: 30 days of PDF export, no renewal)

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