Caption Settings
Describe your image & platform
Generated Captions
This image caption generator writes 5 captions from a short description of your photo. Pick the platform and tone, choose whether to add hashtags, and compare the options side by side. It does not upload or view your image, so your description is what it works from. Captions are generated with AI, so review them. Free, with no sign-up.
Describe your image & platform
You describe the image in text. The tool never sees the file, so a detailed description drives caption quality.
Choose Instagram, LinkedIn, Twitter, Facebook, Blog or General to shape the length and style.
Set the Tone to Professional, Humorous, Inspirational, Educational or Casual.
Set Include Hashtags to Yes or No, depending on where the caption will appear.
Three steps from a blank form to a result you can use.
In Image Description, write what the photo shows, who is in it, where it was taken and why you are posting it.
Choose a Platform and a Tone, then set Include Hashtags to Yes or No.
Click Generate Captions. Five captions stream into the panel. Copy your favourite and edit it to fit.
A caption tells people why an image matters. This generator writes it from your words, not from the pixels, which keeps it fast and lets you steer the angle.
Because the generator works from text, the description is your whole brief. A vague line gets vague captions. We suggest covering five things in two or three sentences.
| Include | Weak | Strong |
|---|---|---|
| Subject | A cake | A three-layer lemon cake with fresh berries |
| Setting | At the shop | On the counter of our bakery on opening morning |
| People | Staff | Our head baker, Lina, holding the first slice |
| Purpose | (left out) | Announcing that the cake is on the menu from Saturday |
| One detail | (left out) | It took twelve test bakes to get right |
The detail row matters most. A specific fact gives the AI something real to build on, so the captions sound like you rather than like every other post. For a product photo, add the product name, the main feature and the price or offer. For an event photo, add the event name and what was happening at that moment.
Example: this illustrates how settings change the result. The captions shown are samples we wrote to show the difference, not saved tool output.
The Image Description is: Our five-person team at the booth on day one of a regional trade show, standing behind our new product demo, smiling, banner behind us.
A caption in this setting tends to be short and friendly: "Day one, booth set, coffee kicking in. Come say hi and try the demo yourself. #TradeShow #BehindTheScenes #TeamWork"
The same photo on LinkedIn gets a fuller, plainer caption: "Day one at the show. Our team is at the booth all week running live demos of the new release. If you are attending, stop by and tell us what you would build with it."
Same image, same description, two very different jobs. Generate once per platform rather than reusing one caption everywhere.
A caption and alt text do different jobs, and it helps to write both.
WebAIM also advises that a caption should not simply repeat the alt text, to prevent redundancy. So if your caption is a joke or an announcement, write a separate plain description of the image for the alt text field where the platform or blog editor offers one. Your Image Description in this tool is often a good starting point for that alt text.
Add one specific detail to Image Description, like a number, a name or a backstory. It gives the captions something real to say.
Generate separately for each platform. A LinkedIn caption and an Instagram caption should not be the same text.
Choose Include Hashtags No for blog captions and most LinkedIn posts.
Mix lines from two of the five captions if neither is quite right on its own.
Reuse your Image Description as the starting point for the image's alt text.
Read the final caption next to the photo to catch any detail the AI invented.
Writing a good caption takes time, especially when you need it to work on a specific platform, match a specific tone, and drive a specific action. Staring at a blank box after uploading a photo is a common friction point that delays posting. AI removes that friction instantly.
Many creators fall back on a single caption style because writing takes effort. Getting five distinct angles per image makes it easier to test what resonates with your audience, rather than defaulting to the same approach every time.
Manually copying a saved list of hashtags is fast but rarely tailored to the specific image or post. AI-generated hashtags are derived from your actual description, making them more relevant and more likely to reach the right audience.
No. The tool does not upload or analyse your image. It writes captions from the text you enter in Image Description. That keeps it fast and private, but it means the captions only know what you tell them, so describe the subject, setting, people and purpose of the photo in your own words.
Two or three sentences usually work best. Cover what the photo shows, where it was taken, who is in it and why you are posting it, then add one specific detail such as a number or a name. Short, vague descriptions tend to produce generic captions that could fit any photo.
Each run writes five different captions for the platform and tone you selected. You can compare them in the Generated Captions panel, copy the one you like, or combine lines from two of them. If none fit, change the description or the tone and generate a fresh set.
Platform options are Instagram, LinkedIn, Twitter, Facebook, Blog and General. Tone options are Professional, Humorous, Inspirational, Educational and Casual. The platform shapes length and style, and the tone sets the voice, so try a couple of combinations when you are not sure which suits your audience best.
We would not use it as is. A caption adds context or a call to action, while alt text describes the image for people who cannot see it. WebAIM advises against repeating the same information in both. Your Image Description is usually a better starting point for alt text than the caption.
Yes. The image caption generator is free to use and needs no sign-up or account. Describe your image, choose a platform, a tone and whether to include hashtags, then generate. You can run it again as many times as you like with different settings to get new captions.