Developer and code tools
Encode, validate and transform structured data and common code snippets.
JSON Formatter and ValidatorValidate JSON syntax and reformat nested data for easier readingOpen tool →JSON MinifierWork with json minifier using data and code in an interactive browser toolOpen tool →JSON to CSV ConverterConvert json to csv with data and code using an interactive browser utilityOpen tool →CSV to JSON ConverterConvert csv to json with data and code using an interactive browser utilityOpen tool →Base64 Encoder and DecoderWork with base64 encoder and decoder using data and code in an interactive browser toolOpen tool →URL Encoder and DecoderWork with url encoder and decoder using data and code in an interactive browser toolOpen tool →HTML Entity Encoder and DecoderWork with html entity encoder and decoder using data and code in an interactive browser toolOpen tool →JWT Payload DecoderWork with jwt payload decoder using data and code in an interactive browser toolOpen tool →UUID GeneratorGenerate uuid with data and code using an interactive browser utilityOpen tool →Random ID GeneratorGenerate random id with data and code using an interactive browser utilityOpen tool →Regular Expression TesterTest regular expression with data and code using an interactive browser utilityOpen tool →SHA256 Hash GeneratorGenerate sha256 hash with data and code using an interactive browser utilityOpen tool →Secure Password GeneratorCreate a random password with a cryptographically secure browser generatorOpen tool →Password Strength EstimatorEstimate password strength with data and code using an interactive browser utilityOpen tool →Hex RGB HSL Color ConverterConvert between common hexadecimal, RGB, and HSL color representationsOpen tool →CSS Gradient GeneratorGenerate css gradient with data and code using an interactive browser utilityOpen tool →CSS Box Shadow GeneratorGenerate css box shadow with data and code using an interactive browser utilityOpen tool →HTML MinifierWork with html minifier using data and code in an interactive browser toolOpen tool →CSS MinifierWork with css minifier using data and code in an interactive browser toolOpen tool →Markdown PreviewerView markdown previewer with data and code using an interactive browser utilityOpen tool →Code Difference CheckerCheck code difference with data and code using an interactive browser utilityOpen tool →HTML Table GeneratorGenerate html table with data and code using an interactive browser utilityOpen tool →Unix Timestamp ConverterConvert unix timestamp with data and code using an interactive browser utilityOpen tool →JSON to TypeScript TypesWork with json to typescript types using data and code in an interactive browser toolOpen tool →
Find the right developer & code tool
Encode, validate and transform structured data and common code snippets. Each page includes practical instructions, situations where the tool helps, frequently asked questions and limitations worth knowing before you rely on a result.
ToolsRoom focuses on straightforward controls and clear explanations. Start with the tool that matches your goal rather than switching between multiple unrelated websites. Browse the rest of our free online tools when you need something different.