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Build or rewrite a URL query string from key=value pairs. Everything runs locally in this tab.
https://example.com/search?q=browser+tools&page=1
Flatten nested JSON into dot-path keys for analysis.
Infer a starter JSON Schema from sample JSON.
Validate UUID strings and identify the UUID version.
Generate .dockerignore rules for leaner Docker builds.
Generate .gitignore files from common project templates.
Encode text or files to Base64, or decode Base64 strings back to text.
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