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B64 file extension

The table below provides useful information about the .b64 file extension. It answers questions such as:

  • What is the .b64 file?
  • What program do I need to open a .b64 file?
  • How can the .b64 file be opened, edited or printed?
  • How can I convert .b64 files to another format?
  • Where can I find the specifications for .b64?
  • Which MIME-type is associated with the .b64 extension?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

.b64 file extension details

Base64 Encoded Data

Base64 Encoded Data .b64 file icon
B64 file is a Base64 Encoded Data. BASE64 is a binary to text encoding scheme.
Category: Data files
Application: Base64 Encoder/Decoder
Mime-type: application/x-b64
Magic number: -
Magic string: -
Sample: -
B64 aliases:
B64 related links:
B64 related extensions:
Macintosh BinHex Encoded File

Uuencoded Data

Xxencoded Data

BinHex 2.0 Encoded Data

Boo Encoded Data

BinHex Encoded Data

MIME Encoded Data

BinHex Encoded Archive

Other types of files may also use the .b64 file extension.

.b64 file extension error

The .b64 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

64, n64, g64, b4, v64, h64, f64

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Genetec Omnicast Video Archive
Audio-less H.264 Video
N64 ROM Image
N64 ROM Image Doctor V64
VTrain Data File
BlindWrite Control File
open .b64 file

Can't open a .b64 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .b64 file association, check the FAQ.

.b64 file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .b64 file extension, write to us!

.b64 file extension

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