Base64 Encoder / Decoder Online — Free Text & File Tool
Encode and decode Base64 — text, URLs and files instantly in browser
Frequently Asked Questions
Base64 encodes binary data as ASCII text. Used for: embedding images in HTML/CSS (data URIs), email attachments (MIME), API authentication tokens (Basic Auth), storing binary data in JSON/XML, and JWT tokens.
No. Base64 is encoding, not encryption. It is easily reversible by anyone. Never use Base64 to "secure" sensitive data. Use it only to safely transmit binary data in text-only systems.