Free Tool
Instagram Caption Generator
Free captions and hashtags for Instagram, TikTok, and YouTube — no sign-up needed.
Tone
How to write captions that stop the scroll
The first line of your caption is the most important. Here is how to nail it on every platform.
Instagram captions
Instagram shows only the first 125 characters before cutting to "more". Lead with your strongest line — a bold claim, a question, or a teaser. Save context, hashtags, and CTAs for after the line break. Use 3–5 targeted hashtags, not 30.
TikTok captions
TikTok captions are short and punchy — 150 characters max. They support the video rather than explain it. Use a question or challenge to drive comments. Include 3–5 hashtags mixing broad (#fyp), niche-specific, and trending tags.
YouTube descriptions
YouTube descriptions are searchable. Lead with your main keyword in the first 150 characters (shown in search snippets). Include a full description of the video, timestamps, links, and 3–5 relevant hashtags at the end to trigger topic badges.
Instagram hashtag strategy — what actually works in 2025
Hashtag best practices have changed. Here is what the data shows now.
Use 3–5 targeted hashtags
Instagram's own data shows posts with 3–5 relevant hashtags outperform posts with 20–30 generic ones. The algorithm now prioritises reach based on content signals, not hashtag volume. Focus on niche hashtags with 10K–500K posts where your content can compete.
Mix hashtag sizes
Combine one broad hashtag (1M+ posts), two mid-size niche hashtags (100K–1M posts), and one small community hashtag (under 100K posts). Small hashtags keep your post visible longer and surface it to the most engaged audiences in your niche.
Put hashtags in the caption, not comments
Contrary to older advice, Instagram confirmed that placing hashtags in the first comment does not boost reach. Hashtags belong in the main caption — either inline or after a few line breaks to keep the visual clean.
Research before you post
Search each hashtag on Instagram before using it. Check that it is active (recent posts), not banned, and attracting the audience you want. Banned or over-spammed hashtags can suppress your post's distribution across the platform.
TikTok hashtag strategy
On TikTok, hashtags are secondary to watch time and completion rate. Use 3–5 hashtags maximum: one broad tag, two niche-specific tags, and optionally one trending tag if it is relevant. #fyp and #foryou have negligible ranking impact on their own.
YouTube hashtag strategy
YouTube shows up to 3 hashtags above your video title in search and browse. Place the 3 most important hashtags at the end of your description. They appear as clickable topic links and help categorise your content. Use relevant, specific hashtags — not generic ones like #viral.
Frequently Asked Questions
What makes a good Instagram caption?
A good Instagram caption hooks the reader in the first line (visible before "more"), delivers value or emotion, and ends with a CTA that drives saves, shares, or comments. Strong captions are specific — "I spent 3 hours fixing this one mistake" beats "Check this out!". Use this generator to explore different tones and find the approach that fits your audience.
How many hashtags should I use on Instagram in 2025?
Instagram recommends 3–5 highly relevant hashtags per post. More is not better — 30 generic hashtags actively hurt reach. Choose hashtags that are specific to your content and community size. Mid-size hashtags (100K–1M posts) typically offer the best balance of reach and competition.
How many hashtags should I use on TikTok?
Use 3–5 hashtags on TikTok. Combine one broad niche tag with two to three specific tags. TikTok's For You algorithm is driven by content quality (watch time, replays, shares), not hashtag volume. Focus on writing a strong caption hook rather than stacking hashtags.
What is a good caption for a Reel or TikTok video?
For Reels and TikTok, the best captions create a loop that complements the video. Options: a question that makes people comment ("Which one are you?"), a fill-in-the-blank ("I can't start my morning without ___"), or a bold statement that sparks debate. Keep it under 100 characters so it reads in the video overlay on mobile.
Can I use this caption generator for TikTok and YouTube too?
Yes. Switch platforms using the tabs at the top of the generator. Each platform generates captions and hashtags appropriate for that format — short and punchy for TikTok, keyword-rich for YouTube, and engagement-focused for Instagram.
How do I write a caption that gets more saves on Instagram?
Saves are driven by utility — people save content they plan to come back to. Captions that drive saves tend to be lists ("5 things I wish I knew before..."), step-by-step instructions ("How to do X in 3 steps"), or resource round-ups. End with "Save this for later" as your CTA. Saves signal strong content quality to the Instagram algorithm.
What is a hashtag generator and how does this one work?
A hashtag generator suggests relevant hashtags for your social media posts based on your topic. This free hashtag generator works by matching your entered keywords to curated hashtag lists for Instagram, TikTok, and YouTube. Select your platform, enter your topic, choose a tone, and the generator outputs captions with tailored hashtag suggestions ready to copy and paste.
Record better videos for every caption you write
A great caption starts with a great video. Use our free teleprompter to deliver your script naturally — no memorizing, no stumbling.