Base64 Encoder / Decoder
A Base64 encoder decoder converts text to and from Base64 encoding. Used for email attachments, data URIs, and API payloads. Developers encode binary data for transport. Converts text to Base64 using standard encoding tables. Handles Unicode correctly. Supports both encoding and decoding. API data transmission. Email attachment encoding. Data URI generation. Secure text transport. Base64 is encoding, not encryption. Do not use for sensitive data protection. It belongs to KitCraft's developer tools collection, utilities for the encoding, formatting, and inspection tasks that fill a programmer's day. These are the tools you need mid-debugging, on any machine, without installing anything: paste the input, read the output, and get back to the problem you were actually solving. Like every KitCraft tool, Base64 Encoder / Decoder runs entirely in your browser: results appear instantly as you work, nothing is uploaded to any server, and no account is needed, so it is safe for confidential drafts and client data. People commonly find this tool searching for base64 encode, base64 decode, base64 converter. Related tools: JSON Formatter, URL Encoder / Decoder, Hash Generator, Color Converter, Markdown Previewer. Browse all 123 free tools on the KitCraft home page.