Free Hashtag Generator
Enter your topic and select a platform to instantly generate relevant hashtags for Instagram, Twitter, LinkedIn, TikTok, and YouTube. Runs entirely in your browser — no signup required.
How the Hashtag Generator Works
- 1Type your topic or niche into the input field — single words, phrases, or multiple keywords separated by commas all work.
- 2Select your target platform using the tabs — Instagram, Twitter / X, LinkedIn, TikTok, or YouTube each have different recommended counts.
- 3Hashtags generate instantly as you type. Click any chip to remove a hashtag you don't want to include.
- 4Hit Copy all to copy your selected hashtags to the clipboard, then paste directly into your post caption.
Platform Hashtag Limits at a Glance
Each platform treats hashtags differently. Instagram uses them as topic indexing signals. Twitter treats them as conversation threads. LinkedIn surfaces posts into professional topic feeds. TikTok's algorithm weights relevance heavily. YouTube treats hashtags as secondary discovery signals. Using platform-appropriate counts matters as much as the hashtags themselves.
Tips for Getting More Reach From Hashtags
Mix broad and niche tags
Broad tags like #fitness reach millions but your post drowns quickly. Niche tags like #hiitworkoutathome reach fewer people but have less competition — your post stays visible longer and reaches a more targeted audience.
Rotate hashtag sets
Using the exact same 15 hashtags on every post trains the algorithm to treat you as repetitive. Generate a few different sets for the same topic and rotate between them. This signals variety and avoids shadow-filtering on Instagram.
Put hashtags in the caption, not comments
Instagram has confirmed that hashtags in captions and first comments both work, but captions index faster. LinkedIn and Twitter require hashtags to be in the post body. For consistency, keep them in the caption across all platforms.
Check banned hashtags before posting
Instagram periodically bans or restricts hashtags that have been associated with spam or policy-violating content. Search any hashtag in the Instagram app before using it — if the recent tab is empty, the hashtag is likely restricted.
Use platform search to validate reach
After generating hashtags here, search each one in the platform's own search bar. Look at post volume — a tag with under 10,000 posts may be too niche; over 10 million posts means high competition. Aim for 100K–2M for Instagram.
Front-load on YouTube, end-load on others
YouTube treats the first 3 hashtags above the video title as display hashtags — use your most important ones first. For Instagram and LinkedIn, placement within the caption doesn't affect indexing, so group them at the end for cleaner captions.
Frequently Asked Questions
How does the hashtag generator work?
Enter your topic or niche, select a platform, and the tool instantly generates a set of relevant hashtags. It combines topic-derived variations (e.g. #digitalmarketing from "digital marketing") with a curated library of niche-specific tags matched to your input. Everything runs in your browser — no text is sent to any server.
How many hashtags should I use on Instagram?
Instagram allows up to 30 hashtags per post. Research from Hootsuite and later Instagram's own guidance suggests that 3–11 highly relevant hashtags outperform the maximum 30. The tool defaults to 11 for Instagram, which sits in the engagement sweet spot. Avoid using the same set on every post — rotate hashtags to avoid appearing spammy to the algorithm.
How many hashtags work best on Twitter / X?
Twitter recommends no more than 1–2 hashtags per tweet, and internal studies have shown that tweets with 1–3 hashtags get significantly more engagement than tweets with more. The tool limits Twitter recommendations to 3. More hashtags on Twitter signal noise rather than reach — the platform is keyword-indexed differently from Instagram.
What hashtags should I use on LinkedIn?
LinkedIn suggests 3–5 hashtags per post. LinkedIn hashtags drive content into topic feeds rather than discovery pages, so specificity matters more than volume. Use a mix of broad (#marketing) and niche (#contentmarketingstrategy) tags. The tool recommends 5 for LinkedIn by default.
Are the generated hashtags based on real search data?
The hashtag library is curated from high-performing niche categories and common social media best practices. It does not pull live search volume or trending data from Instagram or TikTok APIs — those APIs require authentication and rate-limit heavily. For the most up-to-date trending hashtags, use this tool to generate your base set, then cross-reference with the platform's own search bar.
Can I use the same hashtags across all platforms?
You can, but platform limits and audience behaviour differ significantly. Instagram supports up to 30; Twitter performs best with 1–3; LinkedIn works best with 3–5. The tool's platform tabs reflect these differences. A single #fitness hashtag reaches different audiences depending on the platform — adjust your selection based on where your audience lives.
Is my topic stored or shared?
No. The hashtag generator runs entirely in your browser using JavaScript. Your topic input is never sent to any server, logged, or stored. You can use it with any keyword — including unreleased campaigns or client work — without any privacy concern.