Base64 Encode/Decode

Convert text data to and from Base64 format securely in your browser.

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What is Files360 Base64 Encoder & Decoder?

Files360 Base64 Encoder & Decoder lets you encode text to Base64 or decode Base64 back to text instantly. Supports UTF-8 and ASCII character sets — essential for developers working with data encoding.

How to Use Files360 Base64 Encoder & Decoder

1

Choose Mode

Select Encode (text to Base64) or Decode (Base64 to text) depending on your needs.

2

Enter Your Data

Paste or type the text you want to encode, or paste a Base64 string you want to decode.

3

Process Instantly

The conversion happens in real-time as you type or paste. No need to click a button — results appear instantly.

4

Review the Output

Check the converted output. For encoding, you'll see a Base64 string. For decoding, you'll see the original text.

5

Copy the Result

Click Copy to copy the result to your clipboard for use in code, APIs, or data transmission.

Key Features

Real-Time Conversion

Encoding and decoding happens as you type — no buttons or processing delays.

UTF-8 Support

Full Unicode and UTF-8 character encoding support for international text and special characters.

Encode & Decode

Switch between encoding (text→Base64) and decoding (Base64→text) with one click.

One-Click Copy

Copy results instantly for use in code, APIs, configuration files, and data payloads.

Browser-Based

All encoding/decoding happens locally — your data stays private and never leaves your device.

Developer-Friendly

Clean interface designed for quick, repetitive encoding tasks in development workflows.

Files360 Base64 Encoder & Decoder is a developer tool for converting between text and Base64 encoding. Base64 is a critical encoding scheme in modern web development — used for embedding images in HTML/CSS, encoding API authentication headers, transmitting binary data as text, and encoding email attachments.

The tool supports full UTF-8 encoding, meaning it handles international characters, emojis, and special symbols correctly. This is important when working with multilingual content, Unicode text, or data that includes non-ASCII characters.

For developers, Base64 encoding is a daily task. HTTP Basic Authentication requires credentials in Base64, Data URIs embed images using Base64, JWT tokens contain Base64-encoded payloads, and many APIs accept and return Base64-encoded data. Our tool makes these conversions instant and effortless.

All processing happens entirely in your browser using JavaScript's built-in btoa() and atob() functions (with proper UTF-8 handling). Your data — including API keys, passwords, and sensitive information used in Base64 encoding — never leaves your device.

Frequently Asked Questions

Base64 is a binary-to-text encoding scheme that represents binary data using 64 ASCII characters. It's commonly used for embedding data in HTML, CSS, emails, and API payloads.
Base64 is used to safely transmit binary data through text-only channels (emails, URLs, JSON), embed images in CSS/HTML, and encode authentication credentials.
This tool focuses on text-to-Base64 and Base64-to-text conversions. For file encoding, you would need to read the file as binary data first.
Yes for privacy — all processing is local. Note that Base64 is encoding, not encryption — it's easily reversible and should not be used as a security measure.

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