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Base64 Encoder & Decoder – Free Online Tool
Quick answer: Encode text to Base64 or decode Base64 back to text, with full UTF-8 support.
About this tool
Convert text to Base64 for data URLs, tokens and API payloads, or decode Base64 strings back into readable text. Unicode characters and emoji are handled correctly.
How to use the Base64 Encoder & Decoder
- Enter your text, choose your file or set the options in the tool above.
- Click the action button for the result you want.
- Copy or download the output. Nothing leaves your device.
Why use ToolWorlds?
- Free, with no registration
- Private: runs in your browser
- Works on phones, tablets and desktops
Frequently asked questions
- Is Base64 encryption?
- No. Base64 is an encoding, not encryption. Anyone can decode it.
- Why does decoding fail?
- The input may contain invalid characters or be missing padding. Check for stray spaces or truncated text.
- Is my data safe?
- Yes. Processing happens in your browser. Nothing you enter is sent to our servers.
- Is it free?
- Yes. It is free, with no sign-up or usage limit.
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