diff --git a/content.js b/content.js
index 63338a1..51bf310 100644
--- a/content.js
+++ b/content.js
@@ -55,9 +55,9 @@ async function downloadApplicantFilesWithProgress(applicantDetails, token, onPro
       throw `Failed to download file ${afile.file_id} for applicant ${applicantDetails.id}`
     }
 
-    afile.blob = await response.blob()
+    afile.bytes = await response.bytes()
     completedDownloads += 1
-    downloadedBytes += afile.blob.size
+    downloadedBytes += afile.bytes.length
     onProgress({ downloaded: completedDownloads, total: files.length, bytes: downloadedBytes })
   }))
 
@@ -120,7 +120,7 @@ async function getApplicants() {
       return {
         aid,
         token,
-        applicants: jsonData
+        applicants: jsonData//.slice(0, 5)
       }
       // return { aid, token, applicants: jsonData }
     })
@@ -253,7 +253,7 @@ function createApplicantsCsv(applicantDetailsList) {
     rows.push(values.join(","))
   })
 
-  return rows.join("\n")
+  return fflate.strToU8(rows.join("\n"))
 }
 
 // Copy the standalone viewer HTML into the generated archive.
@@ -264,7 +264,7 @@ async function getArchiveViewerHtmlSource() {
     throw new Error("Failed to load archive viewer HTML")
   }
 
-  return response.text()
+  return response.bytes()
 }
 
 // Bundle the viewer's fflate runtime so the exported archive can be browsed offline.
@@ -275,7 +275,7 @@ async function getArchiveViewerFflateSource() {
     throw new Error("Failed to load archive viewer dependency")
   }
 
-  return response.text()
+  return response.bytes()
 }
 
 function getFflate() {
@@ -286,37 +286,12 @@ function getFflate() {
   return fflate
 }
 
-async function createZipBlob(entries, onProgress = () => { }) {
-  const { strToU8, zip } = getFflate()
-  const archiveEntries = {}
-  let processedEntries = 0
+async function createZipBlob(archiveEntries) {
 
-  for (const entry of entries) {
-    if (entry.data instanceof Blob) {
-      archiveEntries[entry.path] = new Uint8Array(await entry.data.arrayBuffer())
-    } else if (entry.data instanceof Uint8Array) {
-      archiveEntries[entry.path] = entry.data
-    } else {
-      archiveEntries[entry.path] = strToU8(String(entry.data ?? ""))
-    }
+  console.log(archiveEntries)
 
-    entry.data = null
-    processedEntries += 1
-    onProgress({
-      phase: "preparing",
-      processedEntries,
-      totalEntries: entries.length
-    })
-  }
-
-  onProgress({
-    phase: "generating",
-    processedEntries,
-    totalEntries: entries.length
-  })
-
-  const archiveBytes = await new Promise((resolve, reject) => {
-    zip(archiveEntries, { level: 0, consume: true }, (error, data) => {
+  return new Promise((resolve, reject) => {
+    fflate.zip(archiveEntries, { level: 0, consume: true }, (error, data) => {
       if (error != null) {
         reject(error)
         return
@@ -324,9 +299,12 @@ async function createZipBlob(entries, onProgress = () => { }) {
 
       resolve(data)
     })
+    // resolve(fflate.zipSync(archiveEntries, { level: 0, consume: true }))
   })
-
-  return new Blob([archiveBytes], { type: "application/zip" })
+    .then((archiveBytes) => {
+      console.log("producing blob")
+      return new Blob([archiveBytes], { type: "application/zip" })
+    })
 }
 
 function downloadBlob(blob, fileName) {
@@ -515,8 +493,8 @@ function rip(event) {
 
       console.log("Preparing zip archive...")
       progressDialog.setStatus("Preparing zip archive...")
-      const archiveEntries = []
       const successfulApplicants = []
+      const archiveEntries = {}
 
       applicantDetailsResults.forEach((result) => {
         if (result.status !== "fulfilled") {
@@ -530,10 +508,7 @@ function rip(event) {
 
         archiveFiles.forEach((archiveFile, index) => {
           const afile = applicantDetails.application_files[index]
-          archiveEntries.push({
-            path: archiveFile.relativePath,
-            data: afile.blob
-          })
+          archiveEntries[archiveFile.relativePath] = afile.bytes
         })
       })
 
@@ -542,40 +517,24 @@ function rip(event) {
         getArchiveViewerFflateSource()
       ])
 
-      console.log("Creating applicants.csv")
-      archiveEntries.push({
-        path: "applicants.csv",
-        data: createApplicantsCsv(successfulApplicants)
-      })
+      console.log("Creating applications.csv")
+      archiveEntries["applications.csv"] = createApplicantsCsv(successfulApplicants)
 
       console.log("Creating index.html")
-      archiveEntries.push({
-        path: "viewer.html",
-        data: viewerHtmlSource
-      })
+      archiveEntries["viewer.html"] = viewerHtmlSource
 
       console.log("Adding viewer Javascript to archive")
-      archiveEntries.push({
-        path: "fflate.min.js",
-        data: viewerFflateSource
-      })
+      archiveEntries["fflate.min.js"] = viewerFflateSource
 
       console.log("Generating zip archive...")
-      const zipBlob = await createZipBlob(archiveEntries, ({ phase, processedEntries, totalEntries }) => {
-        if (phase === "preparing") {
-          if (processedEntries === totalEntries || processedEntries === 1 || processedEntries % 10 === 0) {
-            progressDialog.setStatus(`Preparing zip archive (${processedEntries}/${totalEntries})...`)
-          }
-          return
-        }
+      createZipBlob(archiveEntries)
+        .then((zipBlob) => {
+          console.log("Zip archive is ready.")
+          progressDialog.setStatus("Download ready.")
+          downloadBlob(zipBlob, `procedure_${aid}.zip`)
+          btn.textContent = "done"
+        })
 
-        progressDialog.setStatus("Generating zip archive in background... Firefox should stay responsive.")
-      })
-
-      console.log("Zip archive is ready.")
-      progressDialog.setStatus("Download ready.")
-      downloadBlob(zipBlob, `applications_${aid}.zip`)
-      btn.textContent = "done"
     })
     .catch((error) => {
       console.error(error)