{
    "@context": "https://schema.org",
    "@graph": [
      {
        "@type": "WebApplication",
        "name": "Chilly Proxy Bandwidth Estimator",
        "url": "https://chillyproxy.com/tool-bandwidth-estimator",
        "applicationCategory": "UtilitiesApplication",
        "operatingSystem": "Any",
        "browserRequirements": "Requires JavaScript. Optional Chilly Proxy browser extension for strict/CORS-blocked URLs.",
        "offers": { "@type": "Offer", "price": "0", "priceCurrency": "USD" },
        "description": "Free browser tool with Single API and Multi API modes: measure HTTP response size (HEAD, GET, POST), sum multiple endpoints per workflow, project total GB over days, and optional USD bandwidth cost. Optional extension for CORS-blocked URLs.",
        "featureList": [
          "Single API and Multi API estimate modes",
          "Measure response size with custom headers",
          "Multi-endpoint workflow with Next button and auto-sum",
          "Project daily and total GB with parallel jobs",
          "Optional USD cost per GB",
          "Browser extension for CORS and strict sites"
        ],
        "provider": { "@type": "Organization", "name": "Chilly Proxy", "url": "https://chillyproxy.com/" }
      },
      {
        "@type": "FAQPage",
        "mainEntity": [
          {
            "@type": "Question",
            "name": "What is this free online bandwidth estimator?",
            "acceptedAnswer": {
              "@type": "Answer",
              "text": "A browser calculator that measures HTTP response size, projects total download GB (requests per day, days, parallel jobs), and optional USD cost per GB. It runs on your device without uploading URLs to Chilly Proxy servers."
            }
          },
          {
            "@type": "Question",
            "name": "What is Single API vs Multi API mode?",
            "acceptedAnswer": {
              "@type": "Answer",
              "text": "Single API mode measures one endpoint and fills Project usage immediately. Multi API mode lets you measure each endpoint, click Next to add it to a workflow list (URL and headers clear for the next API), auto-sum sizes shown as an equation, and use the total as bytes per workflow run."
            }
          },
          {
            "@type": "Question",
            "name": "How do I estimate bandwidth for multiple APIs in one workflow?",
            "acceptedAnswer": {
              "@type": "Answer",
              "text": "Select Multi API, measure the first URL, click Next, repeat for each endpoint. Sizes add in an equation such as 2 KB + 8 KB + 50 KB = 60 KB per run. Set Requests per day to full workflow runs per day, not per single API. Use Remove or Clear all to edit the list."
            }
          },
          {
            "@type": "Question",
            "name": "How does response size measurement work?",
            "acceptedAnswer": {
              "@type": "Answer",
              "text": "Choose HEAD (Content-Length when available) or GET/POST with optional body. HTTPS is added if you enter only a hostname. Custom headers such as Authorization are sent from your browser. The optional Chilly Proxy extension measures strict sites that block the page."
            }
          },
          {
            "@type": "Question",
            "name": "Can I measure API size when CORS blocks the browser page?",
            "acceptedAnswer": {
              "@type": "Answer",
              "text": "Yes. Install the free Chilly Proxy extension for Chrome, Edge, or Firefox from chillyproxy.com, reload this page, and click Measure. The extension runs the same size check without website CORS limits."
            }
          },
          {
            "@type": "Question",
            "name": "Does it work for Hotmail, Outlook, Google, or banking URLs?",
            "acceptedAnswer": {
              "@type": "Answer",
              "text": "Those sites block cross-origin requests from normal web pages. Install the extension, enter the URL or hostname (HTTPS added automatically), add headers if needed, and measure. Open APIs without strict CORS work without the extension."
            }
          },
          {
            "@type": "Question",
            "name": "How do I estimate scraping or automation bandwidth?",
            "acceptedAnswer": {
              "@type": "Answer",
              "text": "Use Single API for one response size, or Multi API to sum several endpoints per job. After bytes per request is set, enter requests per day, days, and parallel jobs for per-day GB and total download. Add price per GB for estimated USD cost, or type bytes manually from logs."
            }
          },
          {
            "@type": "Question",
            "name": "How is total bandwidth and cost calculated?",
            "acceptedAnswer": {
              "@type": "Answer",
              "text": "Per day equals bytes per request (or multi-API workflow sum) times requests per day times parallel jobs. Total download equals per day times number of days. Estimated cost equals total GB times price per GB you enter. Body download per measure is capped at 25 MB when required."
            }
          },
          {
            "@type": "Question",
            "name": "Is signup required? Do you store my URLs or headers?",
            "acceptedAnswer": {
              "@type": "Answer",
              "text": "No signup. Measurement and calculations run locally in your browser; Chilly Proxy does not receive your URL list or API tokens. Refresh the page to clear fields. Extension data stays on your device per the privacy policy."
            }
          },
          {
            "@type": "Question",
            "name": "How is Chilly Proxy different from other tools online?",
            "acceptedAnswer": {
              "@type": "Answer",
              "text": "Remote URL size checkers cannot use your tokens or private APIs. DevTools shows one request without multi-day GB math. Chilly Proxy combines browser measurement, custom headers, Single and Multi API workflow, cost projection, and a free extension for CORS-blocked sites in one free page."
            }
          },
          {
            "@type": "Question",
            "name": "Kya yeh tool internet par aur kahin milta hai?",
            "acceptedAnswer": {
              "@type": "Answer",
              "text": "Poora same tool kahin aur nahi milta. Speed tests, DevTools, aur server-side checkers alag features dete hain. Yeh page browser measurement, headers, Single/Multi API workflow, GB projection, cost, aur strict sites ke liye free extension ek saath deti hai — sirf Chilly Proxy par chillyproxy.com par free hai."
            }
          },
          {
            "@type": "Question",
            "name": "Who is this tool for?",
            "acceptedAnswer": {
              "@type": "Answer",
              "text": "Developers and ops teams sizing web scraping, API polling, mail workflows, or proxy bandwidth budget before buying GB. Pair with Proxy Checker and IP Checker on chillyproxy.com when validating routes."
            }
          }
        ]
      }
    ]
  }