What is Base64 encoding used for?

Base64 is used to encode binary data as printable ASCII text. It is commonly used in email via MIME, and to store complex data in XML or JSON without corrupting the data structure.

Is Base64 encoding a form of encryption?

No. Base64 is an encoding scheme, not encryption. It can be easily reversed (decoded) by anyone and provides no data security or secrecy. Use tools like Bcrypt for secure data protection.

Base64 Encoder/Decoder

Encode or decode your text easily with base64.

Base64 Encode

Enter text to encode

Auto Encode

Base64 Decode

Converted text will appear here

Auto Decode

Embed this tool on your site

Free · No account or API key required · 100% client-side

Free

Base64 Encoder / Decoder

The Base64 Encoder/Decoder allows you to convert text or binary data into Base64 format and vice versa. Base64 encoding is commonly used when there is a need to encode binary data that needs to be stored and transferred over media that are designed to deal with textual data.

Common Use Cases

Data Transmission: Sending binary data (like images) in JSON or XML over HTTP.
Email Attachments: Encoding files for email transmission (MIME).
Basic Obfuscation: Hiding data from casual glancing (not secure encryption!).

What it is

Base64 Encoder / Decoder

Base64 is an encoding scheme that converts binary data into ASCII text for safe transport over text-based protocols. Utified Base64 encodes and decodes text or files instantly, entirely in your browser.

Cost

Free, unlimited

Modes

Text or file

Variants

Standard + URL-safe

Privacy

Browser-only

When to use it

Embedding small images directly in HTML or CSS as data URIs
Inspecting JWT tokens or cookies that are Base64-encoded
Encoding binary payloads for inclusion in JSON or YAML

How to use it

Pick a mode

Choose Encode or Decode, then either Text or File input.

Provide input

Paste text or drop a file. URL-safe mode swaps + and / with - and _.

Copy or download

Result is generated instantly; copy or download as needed.

100% client-side. Your input is never uploaded.

Examples

Encode Text

Input

Hello World

Output

SGVsbG8gV29ybGQ=

Text encoded to Base64

Decode Base64

Input

SGVsbG8gV29ybGQ=

Output

Hello World

Base64 decoded to text

Encode Image

Input

image.jpg

Output

iVBORw0KGg...

Image encoded to Base64

Common pitfalls

!
Invalid Input: Ensure input is valid data, avoid using special characters. Use correct format for encoding and decoding.
!
Mode Selection: Choose correct mode, encoding or decoding, to avoid data corruption.
!
Character Limits: Be aware of character limits for input and output data.
!
Error Handling: Handle errors properly, such as invalid input or decoding failures.

Frequently asked questions

What is Base64 encoding?+

Base64 encoding is a method for transmitting binary data as text.

How do I use the Base64 Encoder/Decoder?+

Enter data, select mode, and click convert.

What is the character limit for input data?+

The character limit varies, check tool documentation.

Can I encode images using this tool?+

Yes, you can encode images to Base64 format.

Is the output data URL-safe?+

Yes, the output data is URL-safe.

Can I decode data that was not encoded using this tool?+

Yes, you can decode any valid Base64 data.

How do I report errors or bugs?+

Contact Utified support for assistance.

Base64 Encoder/Decoder

Encode or decode your text easily with base64.

Base64 Encode

Enter text to encode

Auto Encode

Base64 Decode

Converted text will appear here

Auto Decode

Embed this tool on your site

Free · No account or API key required · 100% client-side

Free

Base64 Encoder / Decoder

Common Use Cases

Data Transmission: Sending binary data (like images) in JSON or XML over HTTP.
Email Attachments: Encoding files for email transmission (MIME).
Basic Obfuscation: Hiding data from casual glancing (not secure encryption!).

What it is

Base64 Encoder / Decoder

Cost

Free, unlimited

Modes

Text or file

Variants

Standard + URL-safe

Privacy

Browser-only

When to use it

Embedding small images directly in HTML or CSS as data URIs
Inspecting JWT tokens or cookies that are Base64-encoded
Encoding binary payloads for inclusion in JSON or YAML

How to use it

Pick a mode

Choose Encode or Decode, then either Text or File input.

Provide input

Paste text or drop a file. URL-safe mode swaps + and / with - and _.

Copy or download

Result is generated instantly; copy or download as needed.

100% client-side. Your input is never uploaded.

Examples

Encode Text

Input

Hello World

Output

SGVsbG8gV29ybGQ=

Text encoded to Base64

Decode Base64

Input

SGVsbG8gV29ybGQ=

Output

Hello World

Base64 decoded to text

Encode Image

Input

image.jpg

Output

iVBORw0KGg...

Image encoded to Base64

Common pitfalls

!
Invalid Input: Ensure input is valid data, avoid using special characters. Use correct format for encoding and decoding.
!
Mode Selection: Choose correct mode, encoding or decoding, to avoid data corruption.
!
Character Limits: Be aware of character limits for input and output data.
!
Error Handling: Handle errors properly, such as invalid input or decoding failures.

Frequently asked questions

What is Base64 encoding?+

Base64 encoding is a method for transmitting binary data as text.

How do I use the Base64 Encoder/Decoder?+

Enter data, select mode, and click convert.

What is the character limit for input data?+

The character limit varies, check tool documentation.

Can I encode images using this tool?+

Yes, you can encode images to Base64 format.

Is the output data URL-safe?+

Yes, the output data is URL-safe.

Can I decode data that was not encoded using this tool?+

Yes, you can decode any valid Base64 data.

How do I report errors or bugs?+

Contact Utified support for assistance.