Several platforms specialize in "premiumizing" links for free or with limited free tiers:
Free generators are overloaded. While they promise "Premium Speed," a free generator's server is often a cheap VPS with 100 Mbps shared among 500 users. You might actually download slower than a free user. Hotlink Premium Link Generator Free
doesn't officially offer free premium link generation services. Any third-party claiming to do so is likely violating their terms of service. Hotlink Premium Link Generator Free