Developer Tools
Convert JSON, YAML and CSV, generate hashes, and use encoders/decoders and data formatters for development workflows.
Tools
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JSON to CSV Converter
Turn JSON arrays into clean, spreadsheet-ready CSV in seconds.
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JSON to TOML Converter
Turn JSON into ready-to-use TOML config files.
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JSON to TOON Converter
Turn JSON into compact TOON to save tokens in LLM prompts.
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File to Base64
Encode any file into a copyable Base64 string.
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MIME Type Checker
Detect the MIME type of a file or URL accurately.
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YAML to JSON Converter
Turn YAML config into clean, valid JSON instantly.
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CSV to JSON Converter
Turn CSV rows into structured JSON objects fast.
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URL Encode
Percent-encode text for safe, valid URLs and query strings.
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TOML to JSON Converter
Turn TOML config into JSON for code and pipelines.
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Base64 Decode
Decode Base64 strings back to plain text instantly in your browser.
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TOON to JSON Converter
Expand compact TOON back into clean, valid standard JSON.
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JSON to YAML Converter
Turn JSON into readable, config-ready YAML in seconds.
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XML to JSON Converter
Turn XML elements and attributes into clean JSON
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JSON to XML Converter
Turn JSON keys and arrays into well-formed XML
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JSON Formatter
Beautify, minify, and validate JSON instantly
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JWT Decoder
Decode and inspect JWT header, payload, and claims
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URL Decode
Decode percent-encoded URLs back to readable text instantly.
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Base64 to File
Turn Base64 text back into a real downloadable file.
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Base64 Encode
Turn text and data into Base64 strings instantly in your browser.
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Web Bot Auth Key Generator
Ed25519 keys and a signed request example for Web Bot Auth.
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SKILL.md Validator
Validate SKILL.md frontmatter and body against the Agent Skills spec.