Image Resizer

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Select Image

Supports JPG, PNG, WebP, GIF formats

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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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Preview Markdown and export it as PDF with browser print

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URL Slug Generator

Generate URL-friendly slugs

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Aspect Ratio Calculator

Calculate proportional image and video sizes from width and height.

🔄

Markdown to HTML

Convert Markdown to HTML

🔑

Password Generator

Generate strong random passwords with custom rules

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Base64 Encoder/Decoder

Base64 encoding and decoding tool

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Image Watermark

Add text watermarks to images locally with position, color, and opacity controls.