What is Base64 used for?
Base64 encodes binary data as ASCII text so it can travel safely through systems that only handle text — email attachments, data URIs, JSON payloads, and HTTP basic-auth headers.
Does Base64 encrypt my data?
No. Base64 is encoding, not encryption — anyone can decode it instantly. Never use it to protect secrets; use real encryption for that.
What is the difference between URL encoding and Base64?
URL (percent) encoding escapes only unsafe characters in a URL, e.g. a space becomes %20. Base64 re-encodes the entire input into a 64-character alphabet. They solve different problems.
Is my input sent to a server?
No. All encoding and decoding runs locally in your browser with JavaScript. Nothing is uploaded, logged, or stored.