Formatters & Converters100% Client-Side Privacy
Base64 Encoder & Decoder
Encode and decode plain text, UTF-8 strings, and image assets to Base64 and Data URIs with zero server upload.
Plain Text Input (UTF-8)148 chars
Base64 Output
SGVsbG8gV29ybGQhIPCfmoAKTWVyeG9EZXYgU29sdXRpb25zIOKAlCBGdWxsIFN0YWNrIFdlYiBFbmdpbmVlcmluZy4K4Kas4Ka+4KaC4Kay4Ka+IOCmreCmvuCmt+CmviDgppMg4KaH4KaJ4Kao4Ka/4KaV4KeL4KahIOCmuOCmvuCmquCni+CmsOCnjeCmnyAoVVRGLTggVmVyaWZpZWQpLgpTcGVjaWFsIHN5bWJvbHM6IEAjJCVeJiooKV8rPXt9OiI8Pj8=
100% Local Conversion
Your text, passwords, and images are processed using native Web API FileReader and TextEncoder with zero uploads.
Full UTF-8 Unicode
Unlike default JavaScript btoa(), our encoder natively supports non-ASCII characters including Bengali, Arabic, and emojis.
Ready-to-Use Snippets
Instantly export HTML img tags, CSS background-image rules, or raw Data URIs for inline frontend icons, emails, and SVG embeds.