Base64 Encoder/Decoder
Encode and decode text to/from Base64 format instantly.
About Base64 Encoder/Decoder
The Base64 Encoder/Decoder from ToolsOfIndia gives developers, API users and data handlers a quick, dependable way to get answers without wrestling with formulas. Everything is processed locally in your browser, so pasted code, tokens or client data never leaves your device - no uploads, no logs, no tracking. Encode and decode Base64 text and files in the browser, with the tool handling UTF-8 safely so Indian-language text and emoji decode correctly. Base64 is used in data URLs, JWT tokens, email attachments and API payloads, and the tool works both ways - text to Base64 and back - with a live output that copies in one click. Developers use it to debug a token, API users to inspect a payload, and because everything runs locally, secrets and tokens never leave the device. The tool also handles URL-safe Base64 with the - and _ alphabet. It is the Base64 tool that the command line always makes too slow for a quick check. Real-world uses include decoding a JWT token payload, encoding an image as a data URL, and inspecting a Base64 API value. Everything is free with no usage caps, and nothing asks for your email address.
How to Use the Base64 Encoder/Decoder
- Open the Base64 Encoder/Decoder tool above — it loads instantly in your browser.
- Enter your values in the input fields provided.
- The result updates immediately — no calculate button needed (or click Calculate where shown).
- Copy or use your result directly. Nothing is stored or sent to any server.
Key Features of Base64 Encoder/Decoder
- Encode/Decode
- Real-time
- Copy output
- Encode and decode both ways
- UTF-8 safe for Indian text
- URL-safe Base64 support
Related Searches for Base64 Encoder/Decoder
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Frequently Asked Questions
What is Base64 encoding?
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format using 64 characters (A-Z, a-z, 0-9, +, /). Commonly used for email attachments and data URIs.
How does Base64 encoding work?
Every 3 bytes of binary data are converted into 4 Base64 characters. If the input isn't divisible by 3, padding (=) is added. The encoded data is about 33% larger than the original.
When to use Base64?
Use Base64 for embedding images in HTML/CSS (data URIs), encoding binary data in JSON, email attachments (MIME), and storing binary data in text-based formats like XML.
What is Base64 used for?
It encodes binary data as ASCII text for safe transport in JSON, URLs and email, used in data URLs, JWT tokens and API payloads.
Does it handle Indian-language text?
Yes, the tool encodes and decodes UTF-8 correctly, so Hindi, Tamil and other scripts round-trip without corruption.