diff --git a/packages/builder/src/components/start/ExportAppModal.svelte b/packages/builder/src/components/start/ExportAppModal.svelte
index 948416b192..5cc3393a89 100644
--- a/packages/builder/src/components/start/ExportAppModal.svelte
+++ b/packages/builder/src/components/start/ExportAppModal.svelte
@@ -1,5 +1,11 @@
 <script>
-  import { ModalContent, Toggle, Body, InlineAlert } from "@budibase/bbui"
+  import {
+    ModalContent,
+    Toggle,
+    Body,
+    InlineAlert,
+    notifications,
+  } from "@budibase/bbui"
 
   export let app
   export let published
@@ -8,10 +14,45 @@
   $: title = published ? "Export published app" : "Export latest app"
   $: confirmText = published ? "Export published" : "Export latest"
 
-  const exportApp = () => {
+  const exportApp = async () => {
     const id = published ? app.prodId : app.devId
-    const appName = encodeURIComponent(app.name)
-    window.location = `/api/backups/export?appId=${id}&appname=${appName}&excludeRows=${excludeRows}`
+    const url = `/api/backups/export?appId=${id}`
+    await downloadFile(url, { excludeRows })
+  }
+
+  async function downloadFile(url, body) {
+    try {
+      const response = await fetch(url, {
+        method: "POST",
+        headers: {
+          "Content-Type": "application/json",
+        },
+        body: JSON.stringify(body),
+      })
+
+      if (response.ok) {
+        const contentDisposition = response.headers.get("Content-Disposition")
+
+        const matches = /filename[^;=\n]*=((['"]).*?\2|[^;\n]*)/.exec(
+          contentDisposition
+        )
+
+        const filename = matches[1].replace(/['"]/g, "")
+
+        const url = URL.createObjectURL(await response.blob())
+
+        const link = document.createElement("a")
+        link.href = url
+        link.download = filename
+        link.click()
+
+        URL.revokeObjectURL(url)
+      } else {
+        notifications.error("Error exporting the app.")
+      }
+    } catch (error) {
+      notifications.error(error.message || "Error downloading the exported app")
+    }
   }
 </script>
 
diff --git a/packages/server/src/api/controllers/backup.ts b/packages/server/src/api/controllers/backup.ts
index 53e1bd1792..60312bd36c 100644
--- a/packages/server/src/api/controllers/backup.ts
+++ b/packages/server/src/api/controllers/backup.ts
@@ -1,14 +1,22 @@
 import sdk from "../../sdk"
-import { events, context } from "@budibase/backend-core"
+import { events, context, db } from "@budibase/backend-core"
 import { DocumentType } from "../../db/utils"
-import { isQsTrue } from "../../utilities"
+import { Ctx } from "@budibase/types"
+
+interface ExportAppDumpRequest {
+  excludeRows: boolean
+}
+
+export async function exportAppDump(ctx: Ctx<ExportAppDumpRequest>) {
+  const { appId } = ctx.query as any
+  const { excludeRows } = ctx.request.body
+
+  const [app] = await db.getAppsByIDs([appId])
+  const appName = app.name
 
-export async function exportAppDump(ctx: any) {
-  let { appId, excludeRows } = ctx.query
   // remove the 120 second limit for the request
   ctx.req.setTimeout(0)
-  const appName = decodeURI(ctx.query.appname)
-  excludeRows = isQsTrue(excludeRows)
+
   const backupIdentifier = `${appName}-export-${new Date().getTime()}.tar.gz`
   ctx.attachment(backupIdentifier)
   ctx.body = await sdk.backups.streamExportApp(appId, excludeRows)
diff --git a/packages/server/src/api/routes/backup.ts b/packages/server/src/api/routes/backup.ts
index fb455250a7..94e4cf957f 100644
--- a/packages/server/src/api/routes/backup.ts
+++ b/packages/server/src/api/routes/backup.ts
@@ -5,7 +5,7 @@ import { permissions } from "@budibase/backend-core"
 
 const router: Router = new Router()
 
-router.get(
+router.post(
   "/api/backups/export",
   authorized(permissions.BUILDER),
   controller.exportAppDump
diff --git a/packages/server/src/api/routes/tests/backup.spec.ts b/packages/server/src/api/routes/tests/backup.spec.ts
index ef362ef403..92e0176060 100644
--- a/packages/server/src/api/routes/tests/backup.spec.ts
+++ b/packages/server/src/api/routes/tests/backup.spec.ts
@@ -1,7 +1,9 @@
+import tk from "timekeeper"
 import * as setup from "./utilities"
 import { events } from "@budibase/backend-core"
 import sdk from "../../../sdk"
 import { checkBuilderEndpoint } from "./utilities/TestFunctions"
+import { mocks } from "@budibase/backend-core/tests"
 
 describe("/backups", () => {
   let request = setup.getRequest()
@@ -16,7 +18,7 @@ describe("/backups", () => {
   describe("exportAppDump", () => {
     it("should be able to export app", async () => {
       const res = await request
-        .get(`/api/backups/export?appId=${config.getAppId()}&appname=test`)
+        .post(`/api/backups/export?appId=${config.getAppId()}`)
         .set(config.defaultHeaders())
         .expect(200)
       expect(res.headers["content-type"]).toEqual("application/gzip")
@@ -26,10 +28,24 @@ describe("/backups", () => {
     it("should apply authorization to endpoint", async () => {
       await checkBuilderEndpoint({
         config,
-        method: "GET",
+        method: "POST",
         url: `/api/backups/export?appId=${config.getAppId()}`,
       })
     })
+
+    it("should infer the app name from the app", async () => {
+      tk.freeze(mocks.date.MOCK_DATE)
+
+      const res = await request
+        .post(`/api/backups/export?appId=${config.getAppId()}`)
+        .set(config.defaultHeaders())
+
+      expect(res.headers["content-disposition"]).toEqual(
+        `attachment; filename="${
+          config.getApp()!.name
+        }-export-${mocks.date.MOCK_DATE.getTime()}.tar.gz"`
+      )
+    })
   })
 
   describe("calculateBackupStats", () => {