Aspect Ratio Calculator

Keep image, video, and layout dimensions proportional while resizing.

16:9
Ratio16:9
Scaled height720
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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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Convert cURL to code

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File Diff

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Password Generator

Generate strong random passwords with custom rules

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QR Code Generator

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Box Shadow Generator

Generate CSS shadow code

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X-Robots-Tag Header Planner

Generate X-Robots-Tag headers for PDFs, images, downloads, and other non-HTML assets before launch

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PDF Text Extractor

Extract readable text from PDF files in your browser.