New: schedule posts from Claude or ChatGPT

Free tool

Free TikTok hashtag generator

Describe your video and get 3 ready-to-copy hashtag sets, from broad tags to niche ones people actually search for.

Hashtags sorted? Lemonpost schedules the TikTok they go with, caption included. See the TikTok scheduler

How it works

How to find TikTok hashtags in 3 steps

  1. 1

    Describe the video

    What happens in it and who it's for. The more specific you are, the more specific the niche tags get.

  2. 2

    Pick a style

    Casual, professional, playful, or minimal. Minimal gives you 3 to 5 tight tags; the others give you a fuller set.

  3. 3

    Copy a set

    You get 3 sets: broad, niche, and a mix. Copy one into your caption, then swap in a tag from another set if it fits better.

How TikTok hashtags actually work

Hashtags on TikTok are less about being found by people scrolling a tag and more about telling the app what your video is, so it can find the right first viewers. That means the useful tags are the ones that describe the content, not the ones with the biggest numbers. This generator gives you 3 sets built on that idea.

How the generator works

Describe the video, pick a style, and the tool sends that to an AI model on Lemonpost's server. It comes back with 3 sets: broad tags that place the video in a category, niche tags that describe exactly what's in it, and a mixed set that combines both. Nothing you type is stored, there's no login, and each visitor gets a daily free limit that resets the next day. The tool can't see live view counts for a tag, so treat the sets as a starting point and check any tag you're unsure about in the TikTok search bar, where you'll see how many posts use it and whether they're recent. Casual and playful styles allow trend-style tags; professional and minimal stick to plain topic words.

Broad, niche, and why you want both

Broad tags like #cooking or #fitness have millions of posts. On their own, they tell TikTok almost nothing, because everything is in them. Niche tags like #garlicnoodles or #studentmeals are where the signal is: fewer videos, a clearer topic, and an audience that actually cares. A good caption mixes a couple of broad tags with 3 or 4 niche ones. Skip #fyp, #foryou, and #viral. They're the most used tags on the app and they don't describe anything, so they don't help TikTok match your video to viewers. The space you spend on them is better spent on a tag that says what the video is. A quick way to check a niche tag: search it in the app and look at the top videos. If they're about your topic and posted recently, the tag is alive. If the top results are months old or off-topic, pick another.

TikTok caption and hashtag limits

TikTok captions can be up to 4,000 characters at the time of writing, and hashtags count toward that. TikTok doesn't publish a separate hashtag count limit, but only the first couple of lines show before the More button, so a long block of tags pushes your actual caption out of view. In practice 3 to 6 tags is plenty. Hashtags can't contain spaces or punctuation, and a tag with several words is easier to read in camel case (#StudentMeals). Tags belong in the caption: there's no sign that hashtags in comments do anything on TikTok. You can edit the caption after posting, but the first hours of a video matter most, so get the tags right before you hit post. Keep tags in lowercase or camel case, and never put a space after the # or the tag breaks.

Keep a tag set per content type

If you post the same kind of video regularly, save a hashtag set for it: one for recipes, one for kitchen tips, one for behind the scenes. Reusing a consistent set helps TikTok learn what your account is about, and it saves you thinking about tags every time. Change 1 or 2 tags per video to match what's specific about it, and drop any tag that never seems to bring views. If you schedule your TikToks ahead, keep the sets in your caption template so they're there every time. Lemonpost keeps a per-platform caption on every post, so the TikTok version can carry its own tags without cluttering the Instagram copy. And keep a note of which sets went with which videos, so when one takes off you know what to repeat.

Good to know

TikTok hashtags, answered

3 to 6 is the practical range. TikTok doesn't publish a hashtag count limit, but tags count toward the caption limit and long tag blocks push your caption out of view. Mix 1 or 2 broad tags with several niche ones.

There's no good evidence they do. They're the most-used tags on the app and describe nothing, so they don't help TikTok match your video to viewers. Use tags that say what the video is about instead.

No. It picks tags based on what your video is about. Check any tag in TikTok's search bar to see how many posts use it, and prefer tags with an active but not enormous number.

In the caption. On TikTok, hashtags are read from the caption, and there's no sign that tags in comments do anything. Put them at the end so the first line stays readable.

Yes, with a daily limit per visitor so the tool stays quick for everyone. No account, no watermark. We make Lemonpost, a simple social media scheduler, and the free tools are our way of being useful before you ever need us.

No. It goes to an AI model on our server, the hashtag sets come back to your browser, and nothing is saved. Copy the set you want before you leave.

More free tools

The rest of the toolbox. Also free, also no login.

Instagram line break generatorAdd line breaks and clean spacing that survive posting.Instagram engagement rate calculatorCheck your rate against Instagram benchmarks.TikTok engagement rate calculatorSee how your TikTok engagement stacks up.LinkedIn text formatterBold, italic, and underlined text for posts and profiles.X (Twitter) character counterCount your post the way X counts it, links and emoji included.Engagement rate calculatorWork out your rate on any platform in seconds.Instagram font generatorTurn text into fancy Unicode fonts for bios and captions.Instagram grid makerSplit one photo into a 3-wide grid for your profile.Instagram carousel splitterCut a wide image into seamless carousel slides.Resize image for InstagramCrop or fit any photo to exact Instagram sizes.TikTok safe zone checkerSee where the app UI covers your vertical video.TikTok money calculatorEstimate what your account could earn per post.Instagram caption generatorGet 5 captions from a topic and a tone, ready to copy.Instagram hashtag generatorBroad, niche, and branded sets for any post.Instagram bio generator5 bios under 150 characters with a clear call to action.Instagram username generator10 username ideas that fit Instagram's rules.Instagram feed plannerDrag your photos into a 3-column grid before you post.TikTok username generator10 handle ideas that are easy to say out loud.YouTube name generator10 channel name ideas you can search and claim.LinkedIn headline generator5 headlines under 220 characters that say what you do.

A week of posts in one sitting

Lemonpost is a simple scheduler that posts to Instagram, TikTok, LinkedIn and every other platform from one place. One price whether you're 1 person or 20. Cancel anytime.