Base64 Encoder / Decoder
Convert any text or binary data to Base64 format or decode Base64 back to plain text.
What is Base64 Encoding?
Base64 is a binary-to-text encoding scheme used to represent binary data in an ASCII string format. It's commonly used in data transfer, image encoding in HTML, embedding files in JSON or XML, and transmitting data through text-based formats like email or APIs.
Why Use a Base64 Encoder / Decoder?
- 🔐 Convert sensitive data into a portable text format
- 📤 Encode images, files, or strings for embedding in HTML, CSS, or JSON
- 📩 Decode Base64 email content or web tokens
- 🧪 Test APIs or debug encoded content
Key Features
- ⚡ Instant Base64 encode and decode results
- 🌍 Fully web-based — works in any browser, on any device
- 💡 No login, signup, or installation required
- 🔐 Secure – no data is stored or tracked
Whether you're a developer working with MIME data, an analyst decoding files, or a marketer handling tracking codes, ToolNexIn’s Base64 Encoder / Decoder simplifies your workflow with a clean interface and accurate results.
Frequently Asked Questions (FAQs)
1. What is Base64 encoding used for?
Base64 is used to encode binary data into text so it can be safely stored or transmitted over media that are designed to handle text, like HTML, email, or URLs.
2. Can I decode Base64 back to normal text?
Yes, simply paste the Base64 string and click "Decode" to see the original text content.
3. Is this tool safe to use?
Yes, it's 100% client-side. None of your input is sent or saved anywhere. Everything runs securely in your browser.
4. Can I encode files or images?
This tool is for text. To encode images/files, use a file-to-Base64 converter (coming soon on ToolNexIn).