Free online Unicode escaper — convert text to \uXXXX Unicode escape notation instantly in your browser. No data is stored. Supports BMP (\uXXXX) and supplementary plane (\u{XXXXXX}) formats with optional full-character escaping.
Escape all characters including ASCII (default: only non-ASCII)
Free online Unicode escaper — convert text to \uXXXX Unicode escape notation instantly in your browser. No data is stored. Supports BMP (\uXXXX) and supplementary plane (\u{XXXXXX}) formats with optional full-character escaping.
Runs entirely in your browser. No data is sent to our servers.
Convert non-ASCII characters to \uXXXX notation
Base64 Encode
Free online Base64 encoder — convert text to Base64 format instantly in your browser. No data is stored. Supports UTF-8 text, optional URL-safe encoding, and handles multi-byte characters.
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Free online Base64 decoder — convert Base64 encoded strings back to plain text instantly in your browser. No data is stored. Supports standard and URL-safe Base64, handles padding, and decodes UTF-8 multi-byte characters.
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