Developer
Developer Utilities
Fast formatters, encoders, counters, and converters for common development chores.
JSON FormatterFormat JSON with readable indentation.2 inputsJSON MinifierRemove whitespace from valid JSON.1 inputsBase64 Encoder / DecoderEncode or decode Base64 text.2 inputsURL Encoder / DecoderEncode or decode URL-safe strings.2 inputsSlug GeneratorTurn titles into clean URL slugs.1 inputsCase ConverterConvert text between common casing styles.2 inputsWord and Character CounterCount words, characters, sentences, and paragraphs.1 inputsReading Time CalculatorEstimate reading time from pasted text.2 inputsCSV to JSON ConverterConvert simple CSV text into JSON records.1 inputsUnix Timestamp ConverterConvert Unix timestamps into readable dates.1 inputsRegex Escape ToolEscape literal text for safe use inside a regular expression.1 inputsREM PX ConverterConvert between rem and px values.2 inputsAspect Ratio CalculatorScale widths and heights while preserving aspect ratio.3 inputsCSS Clamp CalculatorGenerate a fluid CSS clamp expression.4 inputsText Diff Size CalculatorCompare character and word counts between two text blocks.2 inputsUTM URL BuilderBuild a URL with common UTM campaign parameters.5 inputsJWT Expiry CalculatorCalculate JWT expiration time from issued-at and TTL values.2 inputsAPI Pagination CalculatorEstimate page count and request batches for paginated APIs.3 inputsCache Hit Rate CalculatorCalculate cache hit rate, miss rate, and origin load.3 inputsSlug Length CheckerGenerate a slug and check its length.2 inputsMarkdown Table GeneratorTurn comma-separated headers and rows into a Markdown table.2 inputsJSON Schema GeneratorCreate a simple JSON Schema from sample JSON.1 inputsSQL FormatterFormat simple SQL by placing common clauses on separate lines.1 inputs.env Example GeneratorGenerate a safe .env.example from variable names.1 inputsHTML Entity Encoder / DecoderEncode or decode common HTML entities.2 inputsRegex Tester / ExplainerTest a regular expression against sample text and explain common tokens.3 inputs