AI Caption & Hashtag Generator
Everyone
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About this app
AI Caption & Hashtag Generator helps you write better social media posts in seconds. Pick a photo, choose your platform and tone, and the app generates three caption options with matching hashtags and a suggested best time to post — all powered by Google's Gemini AI.
No account. No subscription. No ads.
WHAT IT DOES
Take or choose a photo from your gallery, and the app analyzes the image to produce captions that actually fit what's in the picture. You get three different caption styles to swipe through, a set of relevant hashtags you can copy individually or all at once, and guidance on when posting tends to perform well.
KEY FEATURES
• Three caption variants per photo so you can pick the voice that fits
• Smart hashtag suggestions tailored to the image and platform
• Best-time-to-post recommendation for each generation
• Tone selection: choose from styles like funny, inspirational, professional, casual, and more
• Platform-aware output for Instagram, TikTok, Facebook, LinkedIn, X, and others
• Caption length control — set your own character limit per caption
• Custom requirements field — add your own instructions for each generation
• Around 60 supported languages including English, Spanish, Hindi, Bengali, Arabic, Chinese, Japanese, French, German, Portuguese, Russian, Indonesian, and Urdu
• Edit any caption before sharing
• Built-in copy and share to your favorite app
• History of every generation, automatically saved on your device
• Save your favorites for later reuse
• Light and dark themes
• Works in both portrait orientation with a clean Material 3 interface
PRIVACY FIRST
Photos are compressed on your device before they are sent to the AI. There are no user accounts, no sign-up, and no tracking. Your history and favorites are stored locally on your phone and never uploaded to a server. The only network call the app makes is the AI request needed to generate your caption.
HOW IT WORKS
1. Open the app and tap the photo card
2. Pick from your camera or gallery
3. Choose a platform and tone, optionally add a custom note
4. Tap Generate and review three caption options
5. Copy, edit, share, or save your favorite
WHO IT IS FOR
Creators, small business owners, photographers, and anyone who finds writing captions slower than the photo itself. If you have ever stared at a finished post wondering what to write underneath, this app is built for you.
WHY IT IS DIFFERENT
The app sends the actual image to the AI rather than a list of guessed labels, so the captions describe what is really in your photo instead of generic stock phrasing. The result is writing that sounds like you and fits the moment.
Get started in under a minute. No setup, no card details, no friction.
No account. No subscription. No ads.
WHAT IT DOES
Take or choose a photo from your gallery, and the app analyzes the image to produce captions that actually fit what's in the picture. You get three different caption styles to swipe through, a set of relevant hashtags you can copy individually or all at once, and guidance on when posting tends to perform well.
KEY FEATURES
• Three caption variants per photo so you can pick the voice that fits
• Smart hashtag suggestions tailored to the image and platform
• Best-time-to-post recommendation for each generation
• Tone selection: choose from styles like funny, inspirational, professional, casual, and more
• Platform-aware output for Instagram, TikTok, Facebook, LinkedIn, X, and others
• Caption length control — set your own character limit per caption
• Custom requirements field — add your own instructions for each generation
• Around 60 supported languages including English, Spanish, Hindi, Bengali, Arabic, Chinese, Japanese, French, German, Portuguese, Russian, Indonesian, and Urdu
• Edit any caption before sharing
• Built-in copy and share to your favorite app
• History of every generation, automatically saved on your device
• Save your favorites for later reuse
• Light and dark themes
• Works in both portrait orientation with a clean Material 3 interface
PRIVACY FIRST
Photos are compressed on your device before they are sent to the AI. There are no user accounts, no sign-up, and no tracking. Your history and favorites are stored locally on your phone and never uploaded to a server. The only network call the app makes is the AI request needed to generate your caption.
HOW IT WORKS
1. Open the app and tap the photo card
2. Pick from your camera or gallery
3. Choose a platform and tone, optionally add a custom note
4. Tap Generate and review three caption options
5. Copy, edit, share, or save your favorite
WHO IT IS FOR
Creators, small business owners, photographers, and anyone who finds writing captions slower than the photo itself. If you have ever stared at a finished post wondering what to write underneath, this app is built for you.
WHY IT IS DIFFERENT
The app sends the actual image to the AI rather than a list of guessed labels, so the captions describe what is really in your photo instead of generic stock phrasing. The result is writing that sounds like you and fits the moment.
Get started in under a minute. No setup, no card details, no friction.
Updated on
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About the developer
RIMON AHAMMAD
blackshadowsoftwareltd@gmail.com
Bangladesh
