Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 strings back to plain text. Supports UTF-8 encoding and file conversion.
Level up with AI-powered analysis tools
Contract analyzer, pitch deck reviewer & more — $9/mo
Supercharge your developer workflow
Compare Pro allowances for your work with Base64 Encoder/Decoder
More daily tool uses
500 tool uses per day on Pro
Monthly AI allowance
50 AI uses per month across supported AI tools
Ad-free tools
Use NexTool without ads while your Pro plan is active
AI pair programmer that helps you write code faster.
Cloud infrastructure for developers. Get $200 free credit.
Sponsored · We may earn a commission at no cost to you
How to Use Base64 Encoder/Decoder
- 1Paste your text or Base64 string.
- 2Choose Encode or Decode.
- 3Copy the result.
Frequently Asked Questions
Base64 converts binary data into ASCII text, commonly used to embed images in HTML or send data in APIs.
Yes, including special characters, emojis, and non-Latin scripts.
The tool focuses on text. Paste file content as text for conversion.
Using the Base64 Encoder/Decoder is simple: visit the tool page, enter your data or input into the provided fields, and get instant results. Follow the controls on the page. Some functions require sign-in or a paid plan; see Pricing for limits.
The Free plan includes 10 tool uses per day. Some features require an account or a paid plan. Check the controls on the tool page and Pricing for the applicable limits.
The Base64 Encoder/Decoder returns results based on the inputs and the tool methodology. Check assumptions, units and source dates. Treat projections as estimates. For critical decisions, always consult a qualified professional.
The Base64 Encoder/Decoder is designed to be language-agnostic where applicable. It processes input directly in your browser, so there are no compatibility issues. Check the tool description for specific format support.
No spam. Unsubscribe anytime.
About Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 strings back to plain text. Supports UTF-8 encoding and file conversion.
Use the controls shown by Base64 Encoder/Decoder to generate and review your result. Available features and usage limits depend on your plan. Check the tool's instructions and privacy information before submitting data.
Embed This Tool
Add Base64 Encoder/Decoder to your website. Paste the code below into your HTML. The iframe auto-resizes to fit the tool content.
Related Tools
Get Free Financial Guides
Guides and updates about NexTool calculators.