Hugging Face Repo Size

Show total storage size (MB/GB) of any Hugging Face model, dataset, or space as soon as the page loads.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Hugging Face Repo Size
// @namespace    HF Repo Size
// @version      0.2
// @description  Show total storage size (MB/GB) of any Hugging Face model, dataset, or space as soon as the page loads.
// @author       sm18lr88
// @license      MIT
// @match        https://huggingface.co/*
// @grant        none
// ==/UserScript==

(function () {
  "use strict";

  /** Format bytes → human-readable MB / GB string */
  function fmt(bytes) {
    if (!bytes) return " – ";
    const mb = bytes / (1024 ** 2);
    return mb < 1000 ? `${mb.toFixed(2)} MB` : `${(mb / 1024).toFixed(2)} GB`;
  }

  /** Extract “owner/repo” path and choose the correct API endpoint */
  function apiInfo(urlPath) {
    const clean = urlPath.replace(/^\/|\/$/g, "");
    if (!clean) return null;
    if (clean.startsWith("datasets/"))
      return { api: `https://huggingface.co/api/datasets/${clean.slice(9)}` };
    if (clean.startsWith("spaces/"))
      return { api: `https://huggingface.co/api/spaces/${clean.slice(7)}` };
    return { api: `https://huggingface.co/api/models/${clean}` };
  }

  /** Compute total bytes from API response */
  function totalBytes(info) {
    if (typeof info.usedStorage === "number") return info.usedStorage;

    if (Array.isArray(info.siblings)) {
      return info.siblings.reduce((sum, s) => {
        if (typeof s.size === "number") return sum + s.size;
        if (s.LFS && typeof s.LFS.size === "number") return sum + s.LFS.size;
        return sum;
      }, 0);
    }
    return null;
  }

  /** Insert badge next to page title */
  function show(str) {
    const bannerId = "hf-size-badge";
    if (document.getElementById(bannerId)) return;

    const title = document.querySelector("h1");
    if (!title) return; // title not yet in DOM

    const span = document.createElement("span");
    span.id = bannerId;
    span.textContent = ` (${str})`;
    span.style.cssText =
      "margin-left:4px;padding:2px 6px;background:#2d6590;color:#fff;border-radius:4px;font-size:13px;";
    title.appendChild(span);
  }

  /** Fetch & display size */
  async function process() {
    const info = apiInfo(location.pathname);
    if (!info) return;

    try {
      const res = await fetch(info.api, { credentials: "omit" });
      if (!res.ok) throw new Error(`API ${res.status}`);
      const data = await res.json();
      show(fmt(totalBytes(data)));
    } catch {
      show("size N/A");
    }
  }

  //------------------------------------------------------------------
  // Run on initial load and whenever HF’s client-side routing changes
  //------------------------------------------------------------------
  const pushState = history.pushState;
  history.pushState = function () {
    pushState.apply(this, arguments);
    setTimeout(process, 50);
  };
  window.addEventListener("popstate", () => setTimeout(process, 50));
  document.addEventListener("DOMContentLoaded", process);
  process();
})();