Base64 Encoder & Decoder Online

Use the free HakanTools Base64 Encoder & Decoder to encode text or files into Base64 and decode Base64 back into readable text or downloadable files.

The tool supports standard Base64, URL-safe Base64, Unicode characters, file conversion, Data URIs, optional padding removal, and live conversion.

Your data is processed directly inside your browser, so your text or files do not need to be uploaded to HakanTools for conversion.

Free developer utility

Base64 Encoder & Decoder

Encode text or files to Base64, or decode Base64 back to readable text and files. Processing stays in your browser.

🔒 Browser-only

Encode Decode

URL-safe Base64 Remove padding Convert as I type File as Data URI

Plain text 0 characters

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or click to choose a file

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Base64 output 0 characters

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Encode to Base64 Load example Clear

Ready. Nothing you enter is uploaded to HakanTools.

Important: Base64 is an encoding format, not encryption. Do not treat Base64 text as secret or protected data.

What Is Base64?

Base64 is an encoding method that converts text or binary data into a sequence of ASCII characters.

It is commonly used when data needs to be transferred through systems that primarily work with text.

For example:

Hello

can be represented in Base64 as:

SGVsbG8=

Base64 is commonly used in web development, APIs, email systems, Data URIs, configuration files, authentication systems, and other software workflows.

Base64 Is Not Encryption

Base64 is encoding, not encryption.

Anyone with a Base64 encoded string can usually decode it easily. You should never rely on Base64 alone to protect passwords, confidential information, API secrets, or other sensitive data.

How to Encode Text to Base64

Using the HakanTools Base64 encoder is simple:

1. Select Encode.
2. Enter or paste your text into the input box.
3. The Base64 result will be generated automatically when live conversion is enabled.
4. Click Copy Result to copy the encoded value.
5. You can also download the result as a text file.

The encoder supports Unicode text, including international characters and emoji.

For example:

Hello from HakanTools 👋

can be converted into a Base64 encoded string directly in your browser.

How to Use Decode Base64

To use the Base64 decoder:

1. Select Decode.
2. Paste your Base64 string into the input area.
3. Click the decode button or keep live conversion enabled.
4. Read the decoded result.
5. Copy or download the result if needed.

If the decoded Base64 contains binary data instead of normal text, the tool can make the output available as a downloadable file.

This can be useful when working with encoded images, PDFs, ZIP files, and other file types.

Convert a File to Base64

You can also use the tool as a file to Base64 converter.

Simply drag a file into the upload area or choose a file from your device.

The browser reads the file and converts its contents into Base64.

Because the conversion happens locally in your browser, the file does not need to be uploaded to the HakanTools server.

This can be useful for developers working with:

• APIs
• JSON payloads
• Image embedding
• Email attachments
• Testing environments
• HTML and CSS
• Application configuration

Convert a File to a Base64 Data URI

HakanTools also includes a File as Data URI option.

A Data URI may look like this:

data:image/png;base64,iVBORw0KGgoAAA...

The first part identifies the file type, while the rest contains the Base64 encoded data.

Data URIs can be useful for embedding small files directly inside HTML, CSS, or other documents.

For large files, Base64 can increase file size, so it should be used carefully.

What Is Base64URL?

Standard Base64 can contain characters such as:

+
/
=

Some of these characters may cause problems in URLs or certain web applications.

Base64URL, also called URL-safe Base64, uses a URL-friendly variation.

Usually:

+ becomes -
/ becomes _

Padding characters may also be removed depending on the implementation.

The HakanTools Base64 converter includes a URL-safe Base64 option and an option to remove padding.

This can be useful for APIs, tokens, web applications, and URL parameters.

Base64 Encoder vs Base64 Decoder

A Base64 encoder and decoder perform opposite operations.

Tool	Purpose
Base64 Encoder	Converts text or binary data into Base64
Base64 Decoder	Converts Base64 back into its original form
Text to Base64	Encodes readable text
Base64 to Text	Decodes Base64 into readable text
File to Base64	Converts file data into a Base64 string
Base64URL	Creates a URL-safe Base64 version

You can switch between encoding and decoding directly inside the HakanTools tool.

Common Uses of Base64

Base64 is used in many technical environments.

APIs

Some APIs use Base64 to transfer binary content inside text-based formats such as JSON.

Images

Small images can sometimes be embedded using Base64 Data URIs.

Email

Base64 is commonly used as part of MIME email encoding for transferring attachments.

Development and Debugging

Developers often use Base64 when testing applications, APIs, authentication systems, or configuration files.

Web Applications

URL-safe Base64 is commonly used in some web tokens and application formats.

Remember that Base64 does not provide encryption or security by itself.

Why Use HakanTools Base64 Encoder & Decoder?

The HakanTools Base64 Encoder & Decoder is designed to make common Base64 tasks quick and easy.

Features include:

• Base64 text encoding
• Base64 text decoding
• Unicode support
• File to Base64 conversion
• Base64 to downloadable file conversion
• Base64URL support
• Optional padding removal
• Base64 Data URI generation
• Drag-and-drop file selection
• Copy result
• Download result
• Live conversion
• Browser-side processing

There is no need to install desktop software for simple Base64 conversion.

Frequently Asked Questions

Is the HakanTools Base64 Encoder free?

Yes. You can use the Base64 encoder and decoder on HakanTools for free.

Is Base64 encryption?

No. Base64 is an encoding method, not encryption. Base64 encoded data can usually be decoded easily.

Can I convert text to Base64?

Yes. Enter your text in Encode mode and the tool will convert it into Base64.

Can I convert Base64 back to text?

Yes. Switch to Decode mode, paste the Base64 string, and the tool will attempt to convert it back into readable text.

Does the tool support Unicode and emoji?

Yes. The tool supports Unicode text and emoji.

Can I encode a file to Base64?

Yes. You can select or drag a file into the tool and convert it into Base64.

Can I decode Base64 into a file?

Yes. If the decoded result contains binary data, the tool can make it available as a downloadable file.

What is URL-safe Base64?

URL-safe Base64 replaces characters that may cause problems in URLs, commonly replacing + and / with - and _.

Are my files uploaded to HakanTools?

The current HakanTools Base64 tool performs conversion in your browser, so the conversion does not require uploading your selected file to HakanTools.

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