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Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text. Fast, free, and runs entirely in your browser.
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JSON Formatter & Validator
Format, validate, and beautify JSON data instantly. Paste messy JSON and get clean, indented output.
URL Encoder / Decoder
Encode or decode URLs with percent-encoding. Handles query strings, special characters, and Unicode.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds.
Color Converter
Convert colors between HEX, RGB, HSL, and CMYK formats. Pick colors with the visual picker or enter values.