Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 to text instantly

Base64 Encoder/Decoder – Encode & Decode Base64 Instantly Online

Convert text to Base64 or decode Base64 back to text instantly with our free online tool. Perfect for developers working with data encoding, API integrations, and web development.

Our Base64 encoder/decoder supports UTF-8, ASCII, and ISO-8859-1 character sets. No installation required – just enter your text and get instant results.

What is Base64 Encoding?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used for:

  • Embedding images in HTML/CSS as data URIs
  • Transferring binary data in JSON/XML
  • Storing binary data in databases
  • Email attachments (MIME)
  • API authentication tokens

How to Use the Base64 Tool

  1. Select Encode or Decode mode
  2. Enter your text or Base64 string
  3. Choose character set (UTF-8, ASCII, ISO-8859-1)
  4. Click the convert button
  5. Copy or download the result

Benefits of Using This Tool

  • Instant Results: Real-time encoding/decoding
  • File Upload: Upload .txt files for conversion
  • Multiple Character Sets: UTF-8, ASCII, ISO-8859-1
  • Free to Use: No cost or registration needed
  • Copy & Download: Easy result export
  • Conversion History: Track recent conversions

Who Should Use This Tool?

  • Web developers and software engineers
  • API developers and integrators
  • Security professionals
  • Data analysts
  • Students learning about encoding

Related Tools

Image to Base64
JSON Formatter
URL Parser

Frequently Asked Questions

Find answers to common questions about Base64 encoding and decoding.

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