AI Hook Generator
Turns a topic or script into scroll-stopping hooks for short-form video.
Instagram Reels Caption Generator
Paste your Reels script. Get a scroll-stopping caption, a 3-second hook, and hashtags written for the way Instagram actually crops them.
- 100% free
- No signup needed
- Browser-based
Why use Jupitrr's Instagram Reels caption generator?
Hooks that survive the crop
Your strongest line is front-loaded so it lands inside the 125 characters Instagram shows in the feed.
Reach without the spam look
You get 8 to 15 hashtags mixing broad, mid-tier, and niche instead of a stuffed block of 30.
Reads human, not AI
Captions keep emoji minimal and skip the corporate "save this" closings that signal AI or PR.
How it works
Paste your Reels script
Drop in your voiceover, on-screen text, or rough draft. 15 words is enough for the model to work with.
Pick the vibe
Aesthetic, storytime, quick tip, motivational, or funny. The same script gets a different caption depending on the style.
Copy and paste into Instagram
Get a caption, 8 to 15 hashtags, and a 3-second on-screen hook line. Paste them straight in.
What is an Instagram Reels caption generator?
A caption, hook, and hashtags written for the way Instagram actually crops them.
An Instagram Reels caption generator writes the caption and hashtags for a Reel from its script. With Jupitrr's Reels Caption Generator, you paste your Reels script and get three things you can paste straight into Instagram: a full caption with a hook, body, and closing line; 8 to 15 hashtags; and a 3-second on-screen hook line for the video itself, with your strongest line front-loaded into the 125 characters Instagram shows in the feed.
When to reach for it
Lifestyle and aesthetic Reels
Captions that match the mood of the clip instead of selling it.
Behind-the-scenes clips
Turn a look at your setup or process into a caption that earns the tap.
Quick tips
Lead with the payoff so the cropped first line pulls people into the how.
Storytime Reels
Open on the moment that makes viewers need the rest of the story.
Frequently asked questions
Is it free to use Reels Caption Generator?
Yes, 100% free. The Reels Caption Generator is part of the Jupitrr Free Video Toolkit. We want to build quick and easy video tools that help you every step in creating content for your business.
Do I need to download or install anything?
No. The Reels Caption Generator runs entirely in your browser, so there is nothing to install, download, or sign up for. It works on macOS, Windows, ChromeOS, and Linux as long as you can open the page.
How long should an Instagram Reels caption be?
Aim for 80 to 180 words. The first 125 characters show before the "more" link in the feed, so the hook line has to land alone. The tool front-loads your strongest line so the cropped preview earns the tap.
How many hashtags should I use on Reels?
Instagram caps at 30 but recent guidance is 8 to 15. The tool returns a mix of broad, mid-tier, and niche hashtags, so you get reach without looking spammy. Stuffing 30 hashtags is an old playbook that typically hurts more than it helps now.
Will it sound like an AI wrote it?
It is written not to. The model uses your script as the source of truth, keeps emoji minimal, and avoids the corporate "save this", "comment below" closings that signal AI or PR. In most cases you can paste without editing.
How is this different from the TikTok Caption Generator?
Reels and TikTok captions follow different rules. Reels rewards longer captions (80 to 180 words) and 8 to 15 hashtags, while TikTok is shorter (under 80 characters per line) with 5 to 10 hashtags including #fyp. If you cross-post to TikTok, try the TikTok Caption Generator so the caption matches TikTok culture instead of Instagram’s.
Can I record the Reel itself here?
The Caption Generator writes the text. For the video, use the Camera Recorder, or the Teleprompter & Camera Recorder if you want to read a script naturally while filming. Both are free, browser-based, and export an MP4 you can post to Reels.
What is Jupitrr AI?
Jupitrr is the AI video editor for coaches and consultants. Plan, script, record, edit, and publish your videos in one place, powered by the Jupitrr AI Video Editor and the Jupitrr Cut Teleprompter app. This free toolkit is a small slice of what the full product can do. When you are ready for subtitles, B-roll, filler-word removal, and one-click publishing across Instagram, YouTube, and TikTok, jump into the full editor.
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Unlock the full video workflow with Jupitrr AI
Jupitrr brings planning, scripting, recording, editing, and publishing into a single tool. Built for coaches and consultants shipping video consistently.
AI Talking Head Video Editor
Automatically add B-roll & Subtitles
- Unlimited Getty Images Stock Assets
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- AI Generated Subtitles & Text Overlay
- Support 54+ Languages
Personalised AI Scriptwriter
Writes scripts in your tone
Trained on your scripts & viral scripting framework
Teleprompter App
Record without bad takes
Auto Jump-Cut & Silence Removal
Social Media Publishing
Post to all your channels
YouTube, Instagram, LinkedIn, TikTok, all at once.
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