host.tools

Image → data: URI

Encoders /api/v1/utility/data-uri

Fetch an image from URL and base64-encode it as a data: URI for inlining.

Try: hello world host.tools
Result
Raw JSON
API / curl
0 ms · live 
{
    "ok": false,
    "error": "invalid_url",
    "data": null
}
{
    "ok": false,
    "slug": "utility/data-uri",
    "title": "Image \u2192 data: URI",
    "ms": 0,
    "data": {
        "ok": false,
        "error": "invalid_url",
        "data": null
    },
    "source": "live",
    "meta": []
}
JSON endpoint
/api/v1/utility/data-uri?q=hello+world
curl
curl -s '/api/v1/utility/data-uri?q=hello+world'
Sponsored host.tools Pro
Bulk lookups · monitors · webhooks · 10,000 API calls/day

Upgrade to Pro for $19/mo. Cancel anytime. Works with the same API you already use.
How to use Image → data: URI
  1. 1
    Paste your input

    Enter the value at the top — domain, IP, URL, email, ASN, hash, whatever fits this tool. The smart input auto-detects type.

  2. 2
    Click "Inspect"

    host.tools issues real probes (DNS, HTTP, TCP, TLS, WHOIS where applicable) and renders the result in milliseconds.

  3. 3
    Open the API tab

    Every web tool has a sibling /api/v1/utility/data-uri JSON endpoint with the same payload. One copy-as-curl click and you're scripting it.

API equivalent
/api/v1/utility/data-uri?q=hello+world 
curl -s '/api/v1/utility/data-uri?q=hello+world'
Embed this tool
<iframe src="/utility/data-uri?q={INPUT}&embed=1"
  width="100%" height="600" frameborder="0"></iframe>

Drop into any HTML page. The embed=1 flag hides nav and footer.

FAQ · Image → data: URI

Common questions

Is Image → data: URI free?
Yes — every tool is free on the web with a 200/hour rate limit per IP. The matching API endpoint /api/v1/utility/data-uri is free up to 100 requests/hour, no key required.
Where does the data come from?
Real-time probes against authoritative sources (DNS root, RIRs, registries, the target server itself), plus partner data feeds from hostinfo.com (GeoIP/ASN) and hostcheck.com (reputation).
How fresh are the results?
Live by default. Cached for 5 minutes to make repeat queries instant; pass ?nocache=1 for a forced refresh.
Can I run this from the command line?
Yes — every tool ships with a copy-as-curl. There's also an official CLI: host.tools utility data-uri YOUR_INPUT.
Can I monitor results over time?
Pro tier lets you schedule any tool to run every 1/5/15/60 min and alert on diff. See monitors.
host.tools Pro

Run Image → data: URI on a schedule. Get pinged when it changes.

Pro gets you bulk lookups, monitors, webhook alerts, history, exports and 10,000 API calls/day. $19/mo.

See pricing Tour monitors
  • ✓Schedule any tool — every 1, 5, 15, 60 min
  • ✓Diff against last run, alert on change
  • ✓Webhook + email + Slack + PagerDuty + OpsGenie
  • ✓Bulk CSV upload, 1,000 inputs per job
  • ✓Export results as CSV / NDJSON / Excel
  • ✓90-day history, comparison view