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Developer data
Formatters, encoders, UTM builders, CSS converters, and data workflow tools.
JSONFormat, validate, and minify JSON locally in your browser.JSON minifierRemove unnecessary whitespace from valid JSON.URL encoderEncode text as URL locally in your browser.URL decoderDecode text from URL locally in your browser.Base64 encoderEncode text as Base64 locally in your browser.Base64 decoderDecode text from Base64 locally in your browser.CSV to JSONConvert simple CSV tables into JSON arrays locally in your browser.JSON to CSVConvert an array of JSON objects into CSV locally in your browser.JSON DiffCompare two JSON documents by parsed path locally, ignoring whitespace and key order.JSON SchemaValidate JSON against a small local JSON Schema subset for quick contract checks.JSON to YAMLConvert simple JSON mappings to YAML. YAML/TOML support is limited to flat mappings and scalar arrays.JSON to TOMLConvert simple JSON mappings to TOML. YAML/TOML support is limited to flat mappings and scalar arrays.YAML to JSONConvert simple YAML mappings to JSON. YAML/TOML support is limited to flat mappings and scalar arrays.YAML to TOMLConvert simple YAML mappings to TOML. YAML/TOML support is limited to flat mappings and scalar arrays.TOML to JSONConvert simple TOML mappings to JSON. YAML/TOML support is limited to flat mappings and scalar arrays.TOML to YAMLConvert simple TOML mappings to YAML. YAML/TOML support is limited to flat mappings and scalar arrays..env to JSONConvert pasted KEY=value config into JSON locally while keeping values as strings.SQLFormat common SQL snippets locally for readability without a server-side parser.JWTDecode JWT header and payload locally without verifying the signature.ColorConvert HEX and RGB colors into HEX, RGB, and HSL values locally.UTMBuild campaign URLs with UTM parameters locally.Email SignatureBuild a clean HTML email signature locally from pasted contact fields.JSON-LDGenerate common Schema.org JSON-LD blocks locally from pasted fields.Meta/OG PreviewGenerate or inspect page meta, Open Graph, and social preview tags locally.OG ImageGenerate a 1200x630 SVG social preview image locally from pasted fields.curl to CodeConvert common curl commands into fetch and Python requests snippets locally.CSS UnitsConvert CSS px, rem, and em values with a configurable base size locally.