application/zip MIME Type — ZIP File Downloads & HTTP Headers

Used For

• Bulk file downloads
• Software distribution packages
• Asset export (design files, data exports)
• Backup archives

HTTP Header Example

HTTP/1.1 200 OK
Content-Type: application/zip
Content-Disposition: attachment; filename="project.zip"
Content-Length: 1048576

[binary ZIP data]

Code Examples

// Express — serve a ZIP file
app.get('/download/project', async (req, res) => {
  const zipBuffer = await buildZipArchive()
  res
    .set('Content-Type', 'application/zip')
    .set('Content-Disposition', 'attachment; filename="project.zip"')
    .send(zipBuffer)
})

// Stream a ZIP using archiver
import archiver from 'archiver'

app.get('/export', (req, res) => {
  res.set('Content-Type', 'application/zip')
  res.set('Content-Disposition', 'attachment; filename="export.zip"')
  const archive = archiver('zip')
  archive.pipe(res)
  archive.directory('./files', false)
  archive.finalize()
})

Related MIME Types