🚀 Contribute! Buy me a coffee

Open B64 online

100% Free b64 file Viewer online tools. Free Online b64 viewer

Drag & Drop B64 file or Browse


Drop file here. 150 MB maximum file size.



No sign-up required. Your files are deleted automatically after 24 hours.


Open B64 File

What did you think of your recent B64 Viewer/Editor experience?

 4.7 (394 Votes)

Our free b64 viewer online tools does not required any registrations and installations on your system, 100% free and online base64 mime-encoded file (.b64) viewer tool. Open from any device with a modern browser like Chrome, Opera and Firefox.

Best & secure online b64 viewer is custom developed tool by Filproinfo.com, all files processing perform on our own dedicated cloud servers under dynamic file system that automatically remove all processed files from our cloud servers after 1 to 24 hours.

Free Online B64 Tools & Apps

Access powerful and secure free online B64 tools to convert, view, edit, merge, split, and compare B64 files — all without installing any software. Our tools support the .B64 (Base64 MIME-Encoded File) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your B64 files directly from your device with ease.

Related B64 File Extensions & Tools

B64 default file extension is .B64 and other similer related extensions and their tools are:

FAQ

  • ❓ How can I View B64 (base64 mime-encoded file)?

    First, you need to add a file for Viewer: drag & drop your B64 file or click inside the white area for choose a file. Then click the "View" button. It will now allow you to View your B64 file.

  • ⏱️ How long does it take to View B64?

    This Viewer works fast. You can View B64 in a few seconds.

  • 🛡️ Is it safe to View B64 using free Viewer?

    Of course! The download link of B64 files will be available instantly after Viewing. We delete uploaded files after 24 hours and the download links will stop working after this time period. No one has access to your files. File Viewing (including base64 mime-encoded file .b64) is absolutely safe.

  • 💻 Can I View B64 on Mac OS, Android or Linux?

    Yes, you can use free Viewer app on any operating system that has a web browser. Our B64 Viewer works online and does not require any software installation.

  • 🌐 What browser should I use to View B64?

    You can use any modern browser to View B64, for example, Google Chrome, Firefox, Opera, Safari.
Browse all file extensions Browse all software programs Browse free online tools

This tool and page updated at: 12-Apr-2025




About FileProInfo: FileProInfo is a trusted platform dedicated to file formats and software programs. We provide accurate technical details, easy-to-use navigation, and advanced search capabilities to help users explore, manage, and convert file types efficiently.


Online File Converter

Listed file converters are from the wide range of online file converter.

These are the most polular file/document converters based on the user's review and usage on the FileProInfo.

PDF Converter
DOCX Converter
JPG Converter
MP4 Converter
MP3 Converter
TIF Converter
MOV Converter
GIF Converter
XPX Converter
RAR Converter

All Converters