Browser-local tool
Base64 Encoder / Decoder
Convert Unicode text to Base64 and decode Base64 strings locally in your browser.
Converted output
Output will appear here.This first-phase tool runs in your browser. Avoid pasting secrets into any online tool unless you understand its behavior.
JSON Formatter
Format, validate, and beautify JSON with two-space indentation.
JSON Minifier
Compress valid JSON into a compact single-line string.
JSON Escape
Escape or unescape JSON string content for logs, payloads, and configs.
FAQ
Does Base64 encrypt data?
No. Base64 is an encoding format, not encryption.
Does this support Chinese text?
Yes. Unicode text is encoded and decoded as UTF-8.