Free tool
See how a TikTok or Instagram hashtag is performing right now: median views, engagement, related hashtags and trending sounds.
3 free lookups a day. No sign-up needed.
A hashtag tells the algorithm who your video is for. Checking the top posts first shows you whether a tag is crowded with huge accounts, what view counts are realistic, and which hashtags the best-performing creators combine it with.
Median views is the typical result for a top post; it ignores one-off viral spikes. Engagement rate is likes, comments and shares divided by views. Above 5% is strong for most niches. Breakout posts beat the median by more than three times, so study their hooks, length and sound.
It looks up the current top public posts for the hashtag on TikTok or Instagram, then measures their views, likes, comments and shares. It also finds which other hashtags and sounds appear most often alongside it.
Yes. You get 3 free lookups a day with no sign-up. Results for a hashtag are cached for 24 hours. Reelvia subscribers can run trend research from their dashboard with monthly trend credits.
It depends on the niche. Compare the median, not the average: a single viral post inflates the average. If the median is far above your typical views, the tag is competitive; related tags with a high average and fewer posts can be easier wins.
Related hashtags show what top posts in this niche pair together. Pick a few that genuinely describe your video rather than adding all of them. Relevance matters more than volume.
No. It only analyses publicly available posts.
Find the hours and days when top posts for a hashtag or creator get the most views, in your timezone.
Calculate engagement rate from your own numbers, or look up any public TikTok creator's recent videos.
Check a caption against TikTok, Instagram and YouTube character and hashtag limits before you post.
Reelvia
Schedule videos to TikTok, Instagram Reels and YouTube Shorts from one queue, run unlimited trend research, and let your AI agent post for you over MCP.