Free Developer Tools
Browser-based utilities that run entirely in your browser — no sign-up, no tracking, no data sent anywhere.
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JSON Formatter & Validator
Format, validate and prettify JSON data instantly. Highlights syntax errors.
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Word & Character Counter
Count words, characters, sentences and paragraphs in real time.
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Base64 Encoder & Decoder
Encode or decode Base64 strings for APIs, tokens and data transfer.
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URL Encoder & Decoder
Encode special characters for safe URL use or decode percent-encoded strings.
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Password Generator
Generate strong, random passwords with custom length and character options.