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Can I use

Developer toolscaniuse.com

Browser support and web feature compatibility

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Browser compatibility tables for web features.

Check browser support

Check browser support

Find the closest web feature by name and see its global support and support across eight major desktop and mobile browsers. Current browser support follows the versions labeled current by Can I use.

Your information

Name of the web feature to check, for example CSS grid.

1 credit per completed run

The same inputs also work from your code or an AI assistant. See For developers.

Example results

WebP image format

Full global support96.74%
Full or partial global support96.82%

Image format (based on the VP8 video format) that supports lossy and lossless compression, as well as animation and alpha transparency. WebP generally has better compression than JPEG, PNG and GIF and is designed to supersede them. AVIF and JPEG XL are designed to supersede WebP.

View browser support details

Support by browser

Choose an action

About the Can I use tool

Can I use (CanIUse) finds a web feature by name and returns its global support and support across eight browsers.

Check browser support needs a feature name, such as CSS grid, and uses browser versions labeled current by Can I use.

Built from caniuse.com. Last checked Sep 29, 2026.

Actions

Check browser support

1 credit

Find the closest web feature by name and see its global support and support across eight major desktop and mobile browsers. Current browser support follows the versions labeled current by Can I use.

What you provide

FieldTypeRequiredDescription
FeaturefeatureTextRequiredName of the web feature to check, for example CSS grid.Example: WebP

What you get

FieldTypeDescription
LinklinkTextExample: https://caniuse.com/webp
BrowsersbrowsersList
Notesbrowsers[].notesTextExample: See also support for subgrids At first full support: There are some bugs with…
Browserbrowsers[].browserTextExample: Chrome
Current Supportbrowsers[].current_supportTextExample: Supported
First Fully Supported Versionbrowsers[].first_fully_supported_versionTextExample: 32
DescriptiondescriptionTextExample: Image format (based on the VP8 video format) that supports lossy and lossless…
Feature Keyfeature_keyTextExample: Webp
Feature Titlefeature_titleTextExample: WebP image format
Global Full Support (%)global_full_support_percentNumberExample: 96.74
Global Full and Partial Support (%)global_full_and_partial_support_percentNumberExample: 96.82

Example result

For Feature: WebP

JSON
{
  "link": "https://caniuse.com/webp",
  "browsers": [
    {
      "notes": null,
      "browser": "Chrome",
      "current_support": "supported",
      "first_fully_supported_version": "32"
    },
    {
      "notes": null,
      "browser": "Edge",
      "current_support": "supported",
      "first_fully_supported_version": "18"
    },
    {
      "notes": null,
      "browser": "Firefox",
      "current_support": "supported",
      "first_fully_supported_version": "65"
    }
  ],
  "description": "Image format (based on the VP8 video format) that supports lossy and lossless compression, as well as animation and alpha transparency. WebP generally has better compression than JPEG, PNG and GIF and…",
  "feature_key": "webp",
  "feature_title": "WebP image format",
  "global_full_support_percent": 96.74,
  "global_full_and_partial_support_percent": 96.82
}

For developers

Call it from your code with one request. Change the values in input to run it on new data. To get an API key, open Developers at the bottom of Studio, turn on Developer mode and go to API keys.

cURL
curl 'https://api.fous.com/v1/query' \
  --fail-with-body --silent --show-error --max-time 180 \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H 'Content-Type: application/json' \
  --data-raw '{
  "api": "@can-i-use",
  "visibility": "public",
  "operation": "check_browser_support",
  "version": 1,
  "input": {
    "feature": "WebP"
  },
  "response": {
    "format": "json"
  }
}'

What you can do with it

  • Check whether a web feature is supported across browsers
  • Compare global full and partial support for a feature
  • Find the first fully supported version for each browser
  • Review browser-specific support notes

Questions about Can I use

Can I run it with my own inputs?

Yes. Change the inputs in Studio and press Run, or send new inputs from your code, or ask a connected AI assistant.

Can I call this Can I use tool as an API?

Yes. Send a POST request to /v1/query with your Fous API key and the inputs, and get JSON back.

How much does it cost?

Each completed run costs 1 credit. Failed runs without a completed receipt are free; completed work can remain charged if delivery is interrupted. With pay as you go, a credit costs 1¢. Monthly plans cost less per credit.

Do I need a Can I use account?

No. You only need a Fous account.

How current is the data?

Fous gets the data from caniuse.com when you run it. Some results are reused for up to 24 hours, and results that use your account or key are never reused. It was last verified on Sep 29, 2026.

Which browsers support a web feature?

Check browser support returns support data across eight major desktop and mobile browsers.

What is a feature’s global support?

Check browser support returns global full support and global full and partial support percentages.

Which browser version first fully supports a feature?

Check browser support returns the first fully supported version for each browser.

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