Free AI Hashtag Generator

A hashtag generator suggests hashtags that match a post once you describe what the post is about. Duyuro's free AI hashtag generator groups its suggestions into broad, niche and local sets for Instagram, TikTok, LinkedIn or X, works without a login, and lets you copy one group or every hashtag with a single click.

How do you use the hashtag generator?

Describe your post in one sentence, optionally pick your industry and the platform, then press Generate hashtags. In a few seconds the tool returns hashtags sorted into groups such as broad, niche and local. Copy one group or all of them and paste them into your post. Mention a city or neighborhood to get local tags.

Describe the post
Instead of "coffee", write "weekend brunch menu at a new coffee shop in Brooklyn": the product, the service and the place. The topic can be up to 200 characters.
Pick industry and platform
The industry brings suggestions closer to your business. The platform changes the set: Instagram and TikTok get more and more playful tags, LinkedIn and X fewer and more professional ones.
Pick and copy
Keep the groups that fit your post. Copy takes one group, Copy all takes the whole suggestion.
Share the result
Send the shareable text to your team. The link only pre-fills the topic; results are not stored anywhere.

How do you choose the right hashtags?

A good hashtag set comes from what the post is actually about. Combine tags that name the product or service, the topic of the post and, when relevant, the city or neighborhood. Very broad tags bury your post within minutes, while very narrow ones have few followers. A balanced mix of both is the safest approach.

Broad tags: the general name of the topic, such as #brunch or #hairsalon. They add reach but the competition is high.
Niche tags: narrower tags that describe the product or service, such as #avocadotoast or #balayage. They reach an interested audience.
Local tags: tags with a city or neighborhood, such as #brooklynbrunch. The most valuable group for businesses with a physical location.
Avoid: unrelated trending tags such as #love or #instagood, and competitor brand names.

How many hashtags should you use per post?

There is no single right number, and a few relevant hashtags beat a long, scattered list. Instagram announced in December 2025 that posts and Reels can carry at most 5 hashtags. TikTok has no separate hashtag cap, but hashtags count toward the caption limit. The generator offers up to 30 suggestions so you can choose.

Hashtags per post by platform
Platform	Platform rule	Duyuro's range	Where they go
Instagram	Up to 5 per post (announced December 2025)	3-5	At the end of the caption
TikTok	No separate cap; counts toward the 4,000-character caption	3-5	At the end of the caption
LinkedIn	No published cap	1-3	At the end of the post
X	No published cap; counts toward 280 characters	1-2	Inside the post, kept short

Platforms change their hashtag rules from time to time, and some older help pages still mention 30 hashtags for Instagram. Check the platform's current help center before relying on a hard limit.

Does the hashtag generator work for TikTok?

Yes. Choose TikTok as the platform and the set leans toward the broader, more playful tags people browse on TikTok, mixed with niche tags for your topic. Keep the final set short, put the most specific tags first, and pair them with a caption and on-screen text that say the same thing, because both help viewers find the video.

Can hashtags be created automatically with each post?

Yes. Duyuro creates the caption, the hashtags and the image for Instagram, LinkedIn and X from one topic. Hashtags stay separate from the text and can be switched off with one click. After you edit and approve the draft, you schedule or publish the post, so you no longer need to open this tool for every post.

Hashtags come from the products, services, events or places mentioned in the post.
Tags unrelated to the topic are filtered out automatically after generation.
Hashtags you type into the custom instructions box get priority.

Creating an account needs no card. After you verify your email you get 200 trial credits valid for 30 days, and scheduling and publishing never spend credits.

Create a free account

Frequently asked questions

Is the hashtag generator free?

Yes. The tool works without a login and gives you a number of free generations every day. When you run out, you can use it again the next day; the number you have left is shown under every result. To create captions, images and hashtags together and schedule them, use Duyuro.

Is the topic I type stored anywhere?

No. Your topic is used only to create the hashtag suggestions and is not saved or logged. Your IP address is kept as a one-way hash for the daily limit and deleted within two days. The share link only pre-fills the topic and does not store results on the server.

How many hashtags can I use on Instagram?

Instagram announced in December 2025 that posts and Reels can carry at most 5 hashtags, down from 30. That makes choosing the most relevant tags more important than ever. The generator offers several groups so you can pick the best three to five for each post.

Can I use it for TikTok, LinkedIn and X?

Yes. Choose Instagram, TikTok, LinkedIn or X as the platform. Instagram and TikTok get a wider, more playful set; LinkedIn and X get fewer, more professional tags. Duyuro itself publishes to Instagram, YouTube, LinkedIn and X; publishing to TikTok is not supported.

Does it suggest brand or competitor names?

No. Brand, competitor and personal names are filtered out, as are political, religious and adult tags. Review the suggestions before using them, since only you know which ones match your post and audience.

Why do I sometimes see an error message?

When your daily generations or the tool's total capacity for the day run out, the tool tells you; try again the next day. If the AI cannot respond at that moment, wait a little and try again. An empty or very short topic is also rejected.