diff --git a/src/components/ConfigModal.vue b/src/components/ConfigModal.vue
index 28c47b2..f506d26 100644
--- a/src/components/ConfigModal.vue
+++ b/src/components/ConfigModal.vue
@@ -2,8 +2,8 @@
 import { sanatizeConfig, isServer, isLanguage, toQuery } from '@/config';
 import { computed, ref } from 'vue';
 import { arrayUnique } from '@/utils';
-import { useClipboard } from '@vueuse/core'
-import {type Config} from '@/types';
+import { type Config } from '@/types';
+import { siteConfigParam } from '@/config'
 
 const emit = defineEmits(['update:modelValue'])
 const modalDom = ref(null)
@@ -96,10 +96,15 @@ const sourceCount = computed(() => {
   return c;
 })
 
-const clip = useClipboard()
+const rateLimitRisk = computed(() => {
+  return sourceCount.value / config.value.interval > 1
+})
 
-const fullConfig = computed(() => {
-  return JSON.stringify(config.value)
+const saveConfigLink = computed(() => {
+  const json = JSON.stringify(config.value, undefined, 2)
+  const bytes = new TextEncoder().encode(json)
+  const binString = Array.from(bytes, (x) => String.fromCodePoint(x)).join("");
+  return "data:application/json;charset=utf-8;base64," + btoa(binString);
 })
 
 const fullUrl = computed(() => {
@@ -312,54 +317,45 @@ const onSubmit = () => {
               <div class="tab-pane" id="ctab-advanced" aria-labelledby="btab-advanced" role="tabpanel">
 
                 <div class="mb-3">
-                  <label for="interval" class="form-label">Interval</label>
+                  <label for="edit-interval" class="form-label">Update interval</label>
                   <div class="ms-5">
-                    <input type="text" class="form-control" name="interval" v-model.lazy="formInterval">
-                    <div class="form-text">Update interval in seconds.</div>
+                    <input type="text" class="form-control" name="edit-interval" v-model.lazy="formInterval">
+                    <div class="form-text">Number of seconds to wait between updates.</div>
                   </div>
                 </div>
 
                 <div class="mb-3">
-                  <label for="limit" class="form-label">Limit results per source</label>
+                  <label for="edit-limit" class="form-label">Results per source</label>
                   <div class="ms-5">
-                    <input type="text" class="form-control" name="limit" v-model.lazy="formLimit">
-                    <div class="form-text">Fetch this many new posts per request.</div>
+                    <input type="text" class="form-control" name="edit-limit" v-model.lazy="formLimit">
+                    <div class="form-text">Limit number of results per hashtag, account or timeline.</div>
                   </div>
                 </div>
 
                 <div class="mb-3">
-                  <h6>Save config</h6>
+                  <h6>Download config</h6>
                   <div class="ms-5">
-                    <div class="input-group">
-                      <input type="text" class="form-control" readonly :value="fullUrl">
-                      <button v-if="clip.isSupported" class="btn btn-outline-secondary" type="button"
-                        @click.prevent="clip.copy(fullUrl)">Copy</button>
+                    <div class="form-text">
+                      You can <a :href="saveConfigLink" target="_blank" download="wall-config.json">download</a> the
+                      current configuration as a JSON file and either upload it as <code>wall-config.json</code>
+                      to your own self-hosted Fediwall, or host it somewhere else and load it via the
+                      <code>?{{ siteConfigParam }}=URL</code> query parameter.
                     </div>
-                    <div class="form-text">Bookmark or share this <a :href="fullUrl" target="_blank">Fediwall link</a>.</div>
-                    <div class="mt-3 input-group">
-                      <input type="text" class="form-control" readonly :value="fullConfig">
-                      <button v-if="clip.isSupported" class="btn btn-outline-secondary" type="button"
-                        @click.prevent="clip.copy(fullUrl)">Copy</button>
-                    </div>
-                    <div class="form-text">Only useful if you plan to self-host Fediwall on your own domain.</div>
                   </div>
                 </div>
-
               </div>
             </div>
-
           </form>
 
-          <div v-if="sourceCount / config.interval > 1" class="alert alert-warning mt-5" role="alert">
-            Checking {{ sourceCount }} sources every {{ formInterval }} seconds requires a high number
-            of API requests per second. Please reduce the number of servers, hashtags or accounts, or increase the update
-            interval.
-          </div>
-
         </div>
 
         <div class="modal-footer">
-          <button type="submit" class="btn btn-primary float-end" form="settings-form">Apply</button>
+          <div v-if="rateLimitRisk" class="alert alert-warning mb-3" role="alert">
+            Current configuration updates {{ sourceCount }} sources every {{ formInterval }} seconds and may
+            run into issues with rate-limited servers. Reduce the number of sources (servers, hashtags, accounts)
+            or increase the update interval.
+          </div>
+          <button type="submit" class="btn btn-primary" form="settings-form">Apply config</button>
         </div>
 
       </div>
@@ -371,5 +367,6 @@ const onSubmit = () => {
 .form-label,
 h6 {
   font-weight: bolder;
-}</style>
+}
+</style>
 
diff --git a/src/config.ts b/src/config.ts
index 5871d80..051bc94 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -4,8 +4,9 @@ import { fallbackConfig, siteConfigUrl } from "@/defaults";
 import { type Config } from '@/types';
 
 
-
-let siteConfig: Config | null = null;
+export const siteConfigParam = "load"
+let siteConfig: Config | undefined;
+let siteConfigSource: string|undefined = undefined;
 
 const themes = ["dark", "light", "auto"];
 const boolYes = ["", "y", "yes", "true"];
@@ -183,10 +184,13 @@ export function fromQuery(query: string): Config {
     return sanatizeConfig(config);
 }
 
-export function toQuery(config: Config): string {
+export function toQuery(config: Config, userConfig?: string): string {
     const params = new URLSearchParams();
     const defaults = siteConfig || fallbackConfig;
 
+    if (siteConfigSource && siteConfigSource !== siteConfigUrl)
+        params.set(siteConfigParam, siteConfigSource)
+
     for (const { names, to } of parameterDefinitions) {
         const value = to(config)
         if (value !== to(defaults))
@@ -231,6 +235,15 @@ export function sanatizeConfig(config: any): Config {
         return choices.includes(value) ? value : fallback;
     }
 
+    // Migrate old configuration within same minor release
+    if (isString(config.server)) {
+        console.warn("DEPRECATED: Config parameter 'server' is now an array and called 'servers'.");
+        (config.servers ??= []).push(config.server);
+    }
+    if (isString(config.info))
+        config.showinfo = config.info == "top"
+
+
     const fallback = siteConfig || fallbackConfig;
     const result: Partial<Config> = {}
 
@@ -268,35 +281,28 @@ export function sanatizeConfig(config: any): Config {
     return result as Config;
 }
 
-async function loadSideConfig() {
-    let config;
-
-    try {
-        config = await (await fetch(siteConfigUrl)).json() || {};
-    } catch (e) {
-        console.warn("Site config failed to load, falling back to hard-coded defaults!")
-        return;
-    }
-
-    // Migrate old configuration within same minor release
-    if (isString(config.server)) {
-        console.warn("DEPRECATED: Config parameter 'server' is now an array and called 'servers'.");
-        (config.servers ??= []).push(config.server);
-    }
-    if (isString(config.info))
-        config.showinfo = config.info == "top"
-
-    return sanatizeConfig(config)
-}
-
 export async function loadConfig() {
+    const params = new URLSearchParams(window.location.search);
+    const loadUrl = params.get(siteConfigParam)?.trim()
+
+    const loadJson = async (url: string) => {
+        try {
+            const rs = await fetch(url, {cache: "reload", })
+            if(!rs.ok) throw new Error(`HTTP error! Status: ${rs.status}`);
+            siteConfig = sanatizeConfig(await rs.json() || {});
+            siteConfigSource = url
+        } catch (e) {
+            console.warn(`Failed to load (or parse) [${url}], falling back to defaults.`)
+            return;
+        }
+    }
+
+    if (!siteConfig && loadUrl)
+        await loadJson(loadUrl)
     if (!siteConfig && siteConfigUrl)
-        siteConfig = await loadSideConfig() || null
+        await loadJson(siteConfigUrl)
     if (!siteConfig)
         siteConfig = sanatizeConfig(deepClone(fallbackConfig))
 
-    if (window.location.search)
-        return fromQuery(window.location.search)
-
-    return deepClone({ ...siteConfig })
+    return fromQuery(window.location.search)
 }
\ No newline at end of file