QR Code Styler

Generate a clean colored QR code with custom size and margin.

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Built for quick debugging

Developer tools avoid unnecessary setup and keep common snippets, tokens, and test data in your browser where possible.

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Quick workflow

  1. Paste the value, snippet, command, or sample data.
  2. Run the parser, generator, tester, or converter.
  3. Copy the result and continue with the suggested next tool.
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Useful tip

Chain small tools together: decode, inspect, format, compare, and generate types from the same data.

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UUID Generator

Generate UUID unique identifiers

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Password Generator

Generate strong random passwords with custom rules

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JSON Minifier

Minify, validate and beautify JSON content online

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Text Diff

Compare differences between two texts

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JSONPath Tester

Test JSONPath expressions

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DNS Propagation Checker

Check DNS records through public DNS-over-HTTPS resolvers.

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Campaign Launch Checklist

Build a channel-aware launch checklist, track verified completion and blockers, and export Markdown, CSV, or JSON locally.