Base64 Text String Encoder & Decoder
Encode plain text, JSON, or raw code into UTF-8 Base64 strings or decode Base64 data 100% client-side.
Understanding UTF-8 Base64 Encoding
What is Base64?
Base64 represents binary data in an ASCII string format by translating it into a radix-64 representation, commonly used in HTTP headers, data URIs, and email attachments.
UTF-8 Unicode Support
Standard JavaScript btoa fails on Unicode characters. Our tool uses full UTF-8 byte stream encoding to support non-ASCII symbols and Bengali characters safely.
Detailed Guide & Use Cases
How Base64 Text String Encoder & Decoder works and best practices
Encode text strings, JSON data, and code snippets into Base64 ASCII representations or decode Base64 data strings back into UTF-8 text.
Frequently Asked Questions (FAQ)
Common questions about Base64 Text String Encoder & Decoder
Related Developer Tools You Might Need
cURL Command to Fetch / Axios Converter
Convert raw cURL shell commands into JavaScript fetch(), Axios, and PHP cURL code snippets.
HTML Entity Encoder & Decoder
Safely convert special characters into HTML entities or decode entities back into plain text with real-time browser processing.
SQL Query Formatter & Beautifier
Format raw or minified SQL queries into clean, indented code with syntax highlighting for MySQL, PostgreSQL, and SQLite.
Regex (Regular Expression) Tester
Test JavaScript regular expression patterns against test text with live match highlighting, capture groups, and flag controls.
Live Markdown to HTML Converter
Convert rich markdown text to clean, semantic HTML markup in real-time with visual preview pane and instantaneous code copying.