Performance Tools
8 free performance tools by MIKRODINET.
Check Gzip CompressionTest whether a page is served with gzip or Brotli compression and how much is saved.PNG/JPG CompressionCompress and resize PNG, JPG and WebP images privately in your browser.Dummy Image GeneratorCreate placeholder images of any size, color and label.Redirect Checker ToolFollow a URL's redirect chain and see each status code.Site Drop Or NotCheck if a website is down for everyone or just you.A/B Test CalculatorCalculate conversion lift and statistical significance for A/B tests.Free QR Code GeneratorCreate QR codes for links, text, Wi-Fi and contacts; download as PNG.English Spell CheckCheck English spelling and grammar and get suggestions.