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Developer Tools

Free developer utilities for formatting, validating, encoding, and working with common web data and code formats.

Free HTML Encoder & Decoder Online

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Encode HTML special characters into entities or decode HTML entities back into readable text with this free online tool.

Free Unit Converter Online – Length, Weight & Temperature

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Convert length, weight, mass, and temperature units instantly with this free online Unit Converter.

Free Base64 Encoder & Decoder Online

Computer circuit board representing digital data encoding and decoding

Encode text to Base64 and decode Base64 strings to readable UTF-8 text with this free browser-based tool.

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