Free Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 to text. Image encoding supported.
What is Base64 Encoder/Decoder?
Our Base64 encoder online provides a secure and reliable way to convert text or images into Base64 format and back again. Base64 encoding is widely used for embedding data directly into HTML, CSS, or JSON files without needing separate external links. This tool is particularly useful for web developers who want to include small icons or configuration strings directly in their code to reduce HTTP requests. Because all encoding and decoding occurs locally in your browser, your data—whether it's a sensitive password or a private image—never travels across the internet to a third-party server. The interface is clean and straightforward, featuring a "Copy to Clipboard" button for quick integration into your projects. You can also upload images to generate Base64 data URIs instantly. This ensures a fast, secure, and efficient workflow for all your developer needs, with no limits on usage or data size.
How to use this tool
Paste or upload the source data.
Use the main action for this workflow.
Review the cleaned or generated result.
Copy the output when it looks right.
Why use this tool?
Security is paramount when handling data. By processing everything in your browser, we guarantee that your encoded strings and images remain private and secure.
- Text-to-Base64 conversion
- Image-to-Base64 Data URI generator
- Real-time decoding functionality
- Secure local processing
Supported formats and workflows
Designed for quick data cleanup and developer tasks.
Runs directly in the browser for faster iteration.
Keeps the output easy to copy back into your workflow.
Pairs naturally with related developer utilities.
Guides and comparisons for this workflow
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