Instagram Caption Generator
Generate engaging, on-brand Instagram captions with emojis and hashtags for any photo or topic. Claude AI matches your brand voice and style. Choose from casual, professional, funny, inspirational, or any tone. Get multiple caption variations instantly.
Updated June 2026
- 1Describe your photo or topic
- 2Generate captions
- 3Copy your favorite
API Setup Required
AI tools need a backend API route to work. This prevents CORS errors from calling Anthropic directly from the browser.
Quick Setup (3 steps)
Create API route
app/api/ai/route.tsAdd your API key
.env.local → ANTHROPIC_API_KEY=sk-ant-...Enable in component
AIToolBase.tsx → AI_ENABLED = trueimport Anthropic from "@anthropic-ai/sdk";
import { NextRequest, NextResponse } from "next/server";
const client = new Anthropic({
apiKey: process.env.ANTHROPIC_API_KEY,
});
export async function POST(req: NextRequest) {
const { system, prompt } = await req.json();
const msg = await client.messages.create({
model: "claude-sonnet-4-20250514",
max_tokens: 1024,
system,
messages: [{ role: "user", content: prompt }],
});
const text = msg.content[0].type === "text"
? msg.content[0].text : "";
return NextResponse.json({ text });
}How to use Instagram Caption Generator
- 1
Describe your photo or topic
Enter a short description of what the post is about.
- 2
Generate captions
Click 'Generate' to produce several caption options with emoji and hashtag suggestions.
- 3
Copy your favorite
Pick the caption that fits your post and paste it into Instagram.
Frequently asked questions
Everything you need to know about instagram caption generator.
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