Need to format JSON from an API response? The Wivrix Base64 Encoder / Decoder is free, works in your browser, and takes seconds to use.
What this tool does
Encode text to Base64 or decode Base64 back to text instantly. Supports Base32, Hex, Binary, Octal, file encoding, URL-safe mode, and Data URIs. UTF-8 safe, runs entirely in your browser.
Why use Wivrix?
Many online tools ask you to sign up, add a watermark, or upload your files to a server you cannot see. Wivrix is different:
- Private by design — Everything runs in your browser. Your files and input stay on your device — nothing is uploaded to Wivrix.
- Free — no account, no paywall, no file-size tricks
- Fast — open the page and start working
Step-by-step guide
- Embedding images in HTML/CSS as data: URIs
- Encoding authentication credentials in HTTP headers
- Transferring binary data over text-based protocols (email, JSON)
- Storing binary data in databases or URLs
Common uses
- Format json from an api response
- Decode a jwt during debugging
- Test a regular expression quickly
- Convert yaml config to json
Frequently asked questions
Do I need an account?
No. Open the tool and use it straight away.
Is the Base64 Encoder / Decoder really free?
Yes. Wivrix tools are free to use. The site is supported by ads that load only after you consent.
Is my data safe?
Everything runs in your browser. Your files and input stay on your device — nothing is uploaded to Wivrix.
Try it now
Open the free Base64 Encoder / Decoder and follow the steps above. If this guide helped, bookmark the tool or share it with someone who needs the same job done quickly.
Related tools
- URL Encoder / Decoder — see also our guide
- HTML Encoder / Decoder — see also our guide
- JSON Formatter & Validator — see also our guide
Ready to try it? Open the free Base64 Encoder / Decoder — no sign-up needed.
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