Base64 Encoder & Decoder
Securely encode text to Base64 or decode Base64 back to text. Processing happens entirely in your browser.
100% Client-Side Processing
Your privacy matters. All Base64 encoding and decoding happens directly in your browser. No data is ever sent to or stored on our servers.
What is Base64 Encoding?
Base64 is a binary-to-text encoding scheme that converts data into ASCII string format. It's commonly used to transfer data over media that are designed to deal with text, such as embedding images in web pages, sending attachments in emails, or storing data in JSON.
Encode or decode your text using our free online Base64 Encoder & Decoder tool. Whether you're a developer working with API data, a marketer embedding images in HTML emails, or a tech enthusiast experimenting with encoding — this tool gets the job done instantly and securely.
Features of Our Base64 Tool
Fast and Accurate
Instant encoding and decoding without any lag or page reloads.
Broad Compatibility
Supports all character sets including ASCII and UTF-8 handling.
Works Everywhere
Fully responsive and works on any device, directly in your browser.
Easy to Copy
Easily copy the encoded or decoded result to your clipboard with one click.
Secure & Private
No data is sent to a server. Processing is 100% local.
Completely Free
No login, no subscriptions, and completely free to use.
How to use
Simply paste your input text or Base64 string into the respective box, choose whether to encode or decode, and click the button. The result will appear instantly, ready to copy and use in your project.
Whether you're converting text to Base64 or decoding encoded data, BitStackHub's tool is your go-to solution — clean, fast, and completely free.