Calculateur de Image Compression Ratio
Calculate compression ratio and savings from original and compressed image sizes.
Formula and method
This calculator computes Compression ratio, Size reduction directly in your browser without sending data to an external server.
Mathematical formula
- Compression ratio:
original ÷ compressed - Size reduction:
(original-compressed) ÷ original × 100
Variables and parameters
- Original size (original): default value 12 MB.
- Compressed size (compressed): default value 2.4 MB.
Some formulas are undefined for certain input combinations (such as division by zero or logarithms of non-positive numbers). In those cases the live tool displays an alert instead of NaN.
Embed this tool
Paste this snippet into your own site or blog post to embed a live, working copy of this tool. It links back to the full page on SpecWhale.
Frequently asked questions
What equation and variables does Image Compression Ratio Calculator use?
Image Compression Ratio Calculator evaluates outputs such as <strong>Compression ratio, Size reduction</strong> based on inputs including Original size, Compressed size. Check the Mathematical Method section for the explicit formula.
What happens if I enter invalid or zero values into Image Compression Ratio Calculator?
If an input combination is mathematically undefined (such as division by zero or negative square roots), SpecWhale alerts you gracefully rather than returning invalid NaN outputs.
Are my calculations in Image Compression Ratio Calculator saved or private?
All calculations are 100% private and run locally in your Web browser. Your numbers are never uploaded to any server, but can be saved locally to your device or exported as CSV/JSON.
Is Image Compression Ratio Calculator free to use?
Yes. Image Compression Ratio Calculator is completely free, has no usage limit, and does not require an account, email, or API key.
Does Image Compression Ratio Calculator store or upload my data?
No. Image Compression Ratio Calculator calculates everything locally in your browser. Nothing you type is sent to a server or stored by SpecWhale.
How accurate is Image Compression Ratio Calculator?
Image Compression Ratio Calculator uses a standard formula (see the Method section above for the exact expression). For high-stakes financial, medical, or legal decisions, confirm the result with a professional or an authoritative source before relying on it.
Can I embed Image Compression Ratio Calculator on my own website?
Yes. Use the "Embed this tool" snippet on this page to add a free, working copy of Image Compression Ratio Calculator to your own blog post or page.