For long processes, let users toggle a "Notify me when finished" checkbox so they don't have to stay on the page. 3. High-Confidence UI Elements
If the file is only available for a limited time (common for security or storage reasons), show a countdown like "Available for the next 24 hours" to create a helpful sense of urgency.
Add a "Preview first 10 rows" or "Import to Google Sheets" link. your file is ready to download
Include a "Show contents" preview so users can see what's inside before committing to the download. 2. Smart Notification Logic
Explicitly display the File Size and Format (e.g., "Report_Q1.pdf - 4.2 MB"). This helps users verify they are downloading the right thing and ensures they have enough disk space. For long processes, let users toggle a "Notify
A file being "ready" often implies a background process (like an export or a video render).
A small, non-intrusive toast that transforms from a progress bar into a "Download Now" button once complete. Add a "Preview first 10 rows" or "Import
Use a subtle "Checkmark" animation or a green status pulse to confirm the file is processed and healthy.