Instagram Caption & Bio Generator
Describe a post and get 6 captions with the hook in the first line, or switch to Bio and get 6 bios that fit Instagram's 150 characters. Free, no login.
First: what kind of account is this?
Bios are generated fresh each time. Tap Copy on any one to paste it straight into your profile.
Your bios
Each one fits Instagram's 150-character limit. Tap Copy to use it.
Style it
Tap Preview on a bio, add a frame or divider, and see how it sits on a profile.
What kind of post is it?
Press the button again for a new batch. Tap Copy on any caption, then tweak it to sound like you.
Caption ideas
Tap Copy on any caption, then tweak it to sound like you.
How long should an Instagram caption be?
Instagram allows 2,200 characters, but the feed shows roughly the first 125 before it cuts to "more". So the first line does the work. A single line suits a photo that speaks for itself. Longer captions suit tips, stories and carousels people save. Either way, put the point first.
How to write a good Instagram caption
- Open with the hook. The first line is all most people read.
- Say one thing. One idea per caption, not three.
- Sound like you. Edit any caption here until it does.
- Ask for one action. A comment, a save or a tap on your link. Pick one.
- Add a few specific hashtags at the end, if you use them.
What makes a good Instagram bio?
It tells a stranger who you are, what they get from following and what to do next, in 150 characters. Start with what you do or post about. Add one proof point if you have one, like years of experience or a client count. End with a call to action that points to your link.
How to change your Instagram bio
- Open your profile and tap Edit profile.
- Tap Bio, clear the old text and paste the new one.
- Tap Done (the tick on iPhone).
- To add a link, go back to Edit profile and tap Links. Instagram allows up to 5.
Frequently asked
What is a good caption for my photo?
One that adds something the photo can't say: where it was, what happened just before, or why it matters to you. If the photo says it all, a few words or a single line is enough. Pick Say nothing as the goal here and you'll get short ones.
Can it write a caption from a photo?
No. It works from your description, so it never sees the picture. Write one line about what's in the photo and what you want people to do, like "sunset hike with friends, want people to tag who they'd bring".
Can I edit an Instagram caption after posting?
Yes. Open the post, tap the three dots, tap Edit, change the caption and tap Done. Likes and comments stay. You can't edit a story or the text burned into a reel.
Should I put hashtags in the caption?
Put a few specific ones at the end, or turn on Add hashtags here and the generator adds them. Tags that describe the post, like #sourdoughbaking, help it get found. Broad ones like #love are used on so many posts that yours disappears.
What is a good short bio for Instagram?
One that says one specific thing. For example: "Weekly home-cooking tips for beginners. New recipe every Sunday." or "Handmade soy candles, shipped across the US. Shop below." Switch to Bio and pick the Minimal tone for shorter ones.
How long can an Instagram bio be?
150 characters, counting spaces, emoji and line breaks. Many emoji count as two characters, so a bio that looks short can still hit the limit. Every bio here shows its character count, and one that runs over is marked.
Can I put line breaks in my Instagram bio?
Yes. Press return while you edit your bio in the Instagram app and the break stays. Each line break counts toward the 150 characters.
What should a business put in its Instagram bio?
What you sell, who it's for, and where to buy or book. Add your city if customers come to you. Business and creator accounts can show a category and contact buttons under the name, so the bio doesn't need to repeat your phone number.
Does the generator make up numbers or awards?
No. It only uses the credential you type in the optional proof field. Leave that field empty and the bios won't mention numbers, awards or "trusted by" claims.
Are the captions and bios free to use?
Yes, with no login and nothing to credit. Each request writes 6, the button gives you a new set, and there's a daily limit per visitor so it can stay free.

