Ever find yourself stuck, staring at a blank screen, waiting for inspiration to come up? Same here.
As someone who’s constantly cooking up fresh cooking up fresh, engaging content for Planable’s Instagram followers, I know the pain of writer’s block all too well.
So, we created something to save us all from the agony: a free AI Instagram caption maker designed to spark ideas and save plenty of time.
“Our smart AI Instagram caption generator works by using machine learning algorithms and natural language processing to analyze user input and create unique and relevant caption suggestions.”
Nicu Gudumac, CTO & Founder @ Planable
What started as an internal AI tool quickly evolved into a free AI Instagram caption maker that we’re now excited to share with the world.
Why Planable’s Instagram caption generator is a good choice for marketers

When your plate’s full with clients, important campaigns, or just feeling creatively stuck, Planable’s caption generator for Instagram is built to fit right into your workflow.
Here’s how marketers can use it every day:
- Adapt content across campaigns or clients: Customize Instagram captions for different audiences and purposes in seconds.
- Craft captions for Instagram that resonate: Select your post type and the caption generator for Instagram will create you an on-brand copy that matches your intent.
- Batch content creation: Generate captions in one go to time-save planning sessions and stay ahead of schedule
- Flexible formats: Generate short Instagram captions or longer storytelling captions depending on what the content needs.
How to use Planable’s free Instagram caption generator
Use the smart AI caption generator by Planable to write creative captions.
1. Select the type of post you’re writing:
- Actionable: provide clear steps, tips or a call to action
- Inspiring: uplift followers with a positive message
- Introspective: share personal thoughts and encourage your audience to self-reflect
- Promotional: highlight your products, services, or special offers
2. Select your caption writing style:
- 😂 Humorous: create funny and entertaining captions
- 🌟 Inspirational: craft motivating and uplifting captions
- 📚 Informative: generate educational and factual captions
- 👋 Casual: compose friendly and relaxed captions
- 💼 Formal: write professional and structured captions
- 🙃 Witty: produce clever and quick-witted captions
- 🎉 Enthusiastic: design excited and energetic captions
- 💖 Empathetic: formulate caring and understanding captions
- 💬 Convincing: construct persuasive and compelling captions
- 😛 Teasing: write playful and slightly provocative captions
3. Select your Instagram caption length:
- Shorter: a few to-the-point sentences
- Longer: a detailed and engaging paragraph
4. Select your number of IG captions variations: 1, 3, or 5.
5. Toggle “Use emojis” and/or “Use hashtags” for enriched Instagram captions.
Generate captions with our tried and tested AI prompts
Need to schedule your next Instagram post and drawing blanks? No worries, I’m here to help.
Our tool can generate captions automatically with the option to create multiple outputs and refine them based on your input.
Steal our free AI prompts to build creative captions for Instagram. Just copy paste the prompts in the Instagram Caption Generator above and replace our examples between the brackets with your own info.
Generate seasonal and holiday Instagram captions
Write an Instagram caption themed around [a specific season or holiday]. Include festive elements and highlight any special promotions or events your brand is offering during [this time].
Hope all these prompts are helpful for you! But don’t just take it from us. Hannah from Sunny Social Collective used our IG caption generator recently.
Hannah found herself in need of a captivating caption about “caption hooks” for her latest Instagram post, and our tool came to the rescue. With a range of creative options at her fingertips, she found the one that truly hit home with her audience.

Hannah from Sunny Social Collective using Planable’s IG Caption Generator
What she did was a quick customization using the caption generator fields, selecting the following:
- Post type: Actionable
- Writing style: Casual
- Caption length: Longer
- Number of variations: 1
Now, you can see her live post shining brightly and happily receiving the engagement she aimed for.
Generate creative Instagram captions
- Create an Instagram caption that is creative and unique for [your content or theme]. Use imaginative language and a playful tone to capture the essence of [your brand or message].
- Write an engaging Instagram caption for [your post] that encourages interaction from [your audience]. Include a question or call-to-action to prompt comments and likes.
- Compose a compelling Instagram caption for [your topic or product]. Use persuasive language to captivate [your audience] and highlight the key benefits or emotions associated with [your content].
Generate behind-the-scenes and attention grabbing captions
- Draft an attention-grabbing Instagram caption for [your post]. Start with a bold statement or interesting fact to immediately capture [your audience’s] attention and keep them reading.
- Write an Instagram caption about [your product]. Highlight its [unique features] and [benefits]. Include a call-to-action that encourages followers to [learn more] or [make a purchase].
- Generate an Instagram caption that gives a behind-the-scenes look at [your company/event/process]. Share interesting details about [what’s happening behind the scenes] and emphasize the company culture or team effort.
Generate trends and employee spotlights Instagram captions
- Draft an Instagram caption that shares the latest news or trends in [your industry]. Explain why this news is important and how it impacts [your audience or business].
- Act as a [social media marketer]. Create a caption announcing [your event]. Provide key details such as [date, time, location, and purpose]. Or, create a recap caption highlighting the best moments and outcomes of [the event].
- Compose compelling captions spotlighting [an employee or team member]. Share their role, achievements, and an interesting story or fact about them. Highlight how they contribute to [your company’s success].
Generate partnerships and collaborations Instagram captions
- Create a post announcing a partnership or collaboration with [another brand or influencer]. Explain the nature of the collaboration and the benefits for [your target audience].
- Write an Instagram caption for reposting user-generated content from [a customer or fan]. Acknowledge and thank [the creator] for their contribution, and share why this content is meaningful for [your brand].
- Draft an Instagram caption promoting my [seasonal campaign or promotion]. Highlight the special offers or products available and create a sense of urgency by mentioning [limited time or availability].
Generate quotes and inspirational messages Instagram captions
- Write an inspirational Instagram caption about [insert your topic] that will engage the target audience [insert your audience]. The first sentence should include a hook that makes me want to keep reading.
- Write an Instagram post that explains a tutorial or how-to for [your product]. Break down the steps clearly and concisely, and mention the benefits of following this guide for [your target audience].
- Craft an Instagram caption addressing a frequently asked question about [your product or service]. Provide a clear and helpful answer that resolves [your audience’s concern].
Generate community and social responsibility Instagram captions
- Draft an Instagram post showcasing [your company’s community involvement or social responsibility initiative]. Highlight the impact of [your efforts] and encourage your followers to participate or support the cause.
- Compose an Instagram caption that shares a story about [your brand] and its core values. Explain how [these values] drive your mission and resonate with [your audience].
Best practices for generating AI Instagram captions
When it comes to content creation, it’s all about balance. You want to generate captions that feel fresh and engaging, but you also want to stay true to your brand identity. Think of it as a conversation with your audience: a blend of informative and entertaining.
Brand identity
Your brand identity is the soul of your online presence and should shine through every caption. Consistency is key. Maintain a consistent tone of voice that reflects your brand messaging.
- Reflect your messaging: every Instagram caption should echo your brand’s core message. If your brand is all about eco-friendly living, then even your jokes should be greener than Kermit the Frog.
- Perception alignment: make sure that when you are writing captions, it matches with how you want to be seen. If you’re aiming for sophistication, avoid slang that belongs in a teenager’s group chat.
Optimal word count
Keep an eye on your word count. Instagram allows up to 2,200 characters, but that doesn’t mean you should use them all.
Shorter captions can be more impactful, especially when paired with striking visuals. Test different lengths to see what resonates most with your audience.
Emojis
Emojis are our digital wingmen in adding personality and tone to captions to avoid sounding like soulless robots.
They can convey emotions, break up text, and make your social media captions more visually appealing. Sprinkle them in strategically to enhance your brand voice.
Express personality through captions
Add personality to your Instagram posts with your unique voice to make them more relatable. Whether it’s humor, wit, or heartfelt sincerity, the tone of voice will set you apart from the competition.
Incorporate these practices to craft Instagram captions that not only engage but also strengthen your brand identity and connection with your audience.
Unique hashtags
Use unique but relevant hashtags to stand out in the crowded Instagram space. This isn’t just about hopping on the latest trends but finding niche hashtags that resonate with your community and brand messaging.
We know for a fact that relevant hashtags can significantly boost engagement. Don’t just go for the obvious ones. Dig deeper into what your audience is talking about and join those conversations.
Look outside of Instagram: Reddit, Quora, and Slack channels are a treasure trove. This strategy helps in making your posts more discoverable and relatable.
Instagram caption generator FAQs
Our free Instagram caption generator creates engaging captions tailored to your content style and audience. Below are answers to common questions that will help you get the most out of our generate captions feature.
How long should Instagram posts be?
Instagram captions can be up to 2,200 characters long but the ideal length for high engagement is around 125 characters. For story telling, you can use up to 300 characters. And if you want to light your comment section on fire, aim for longer captions of up to 2,200 characters.
How can I improve my Instagram captions?
To improve your Instagram captions, keep them short and to the point. Use emojis and add value. Try our free AI Instagram caption generator to write a killer first sentence, tell a story, or ask your followers insightful questions. Finish with a strong call to action.
How do you get better at writing social media captions?
Find captions you love and give them a twist of your own. Absorb their brilliance while you craft your unique flair. Our Instagram caption generator comes in clutch for this exact purpose and is your secret weapon always ready to swoop in and save the day.
Ready to generate captions for your Instagram audience?
My parting words to you: tailor your social media captions to your followers. Understand their preferences, pain points, and what makes them tick. You might be cracking jokes or dropping knowledge bombs; whatever it is, let your brand’s true identity shine through.
In the wild world of social media, a strong, consistent brand voice is your best defense against the dreaded scroll-past syndrome.
So, generate captions with our free AI tool and let your brand identity do the talking.
Miruna Dragomir, CMO @Planable, ex Social Media Comms Manager @Oracle & ex Marketing Coordinator @Uber. 9 years of experience in social media and marketing. Built Planable’s brand and reputation and helped grow it from 50 customers to over 6.5K. Social media fanatic, tech geek & a sucker for learning.