Minutes used and minutes remaining are shown before the user approves a render.
The surprise most creators hit with usage-based tools is running out halfway through the month. Check the preview before a long render and match the length to the platform: a one-minute cut for Shorts, Reels and TikTok usually does more than a long video nobody finishes.
The minutes it used are returned to you automatically. You do not need to contact support.
No. They are made in your browser and stay unlimited on every plan.
Paid plans can add top-up packs that never expire. The Free plan cannot buy top-ups.