buncha.tools
buncha/image/aspect

Aspect Ratio Calculator

Width
:
Height
Aspect ratio
16:9
1920 × 1080 pixels
16:9
Resize (keep ratio)
×
Common ratios

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About Aspect Ratio Calculator

Calculate and convert aspect ratios for images and video.

Like every tool on Buncha, this one runs entirely in your browser. There's no upload, no log, no record of what you've pasted or generated. Close the tab and the data is gone.

↳ Have feedback or found a bug? hello@buncha.tools
b
Built browser-first. Run by one developer.
Every tool runs on your device. No tracking pixels, no sign-up to start. The numbers below are pulled live from the registry.
240
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Files never uploadNo tracking pixelsNo sign-up neededWorks in any modern browser
The handful of AI tools (paraphrase, summarise, blog, captions, etc.) send your prompt text to Anthropic's Claude API to do the work. Files, images, PDFs and video never leave your device. Pick the tools that fit your privacy comfort.