Rocketnail
Thumbnail Maker for SNS
Only for iPhone
Free · In‑App Purchases
iPhone
Create perfect thumbnails for X, YouTube, Instagram, and note in seconds. Choose from beautiful gradients, add text overlays, and export at platform-perfect resolutions.
Create stunning thumbnails for your social media posts in seconds. Rocketnail is the fastest way to turn screenshots into eye-catching thumbnails for X (Twitter), YouTube, Instagram, note, and more.
HOW IT WORKS
1. Choose your platform — X (Square), X (Wide), YouTube, Instagram, note, or Custom
2. Import a screenshot or image from your photo library
3. Add a title and optional subtitle with customizable font size, color, and position
4. Pick a background — solid colors, beautiful gradient presets, or your own image
5. Adjust screenshot scale, position, rotation, and corner radius
6. Export, share, save to Photos, or copy to clipboard
PLATFORM-PERFECT SIZES
Every thumbnail is rendered at the exact resolution each platform expects:
• X (Square): 1080 x 1080
• X (Wide): 1200 x 675
• YouTube: 1280 x 720
• Instagram: 1080 x 1080
• note: 1200 x 630
• Custom: 1920 x 1080
POWERFUL EDITOR
• 9 text positions (corners, edges, center)
• 6 text colors with adjustable font size
• 8 gradient presets (sunset, rose, emerald, ocean, lavender, midnight, fire, forest)
• Solid color backgrounds
• Screenshot scale, offset, and corner radius controls
• Rotation tool for creative angles
GIF CONVERSION
Import a video or Live Photo and convert it to an animated GIF thumbnail. Control start time, duration, frame rate, and output size.
SIRI SHORTCUTS
Quickly create thumbnails with Siri:
• "Edit screenshot in Rocketnail"
• "Create thumbnail in Rocketnail"
• "Edit recording in Rocketnail"
PROJECT MANAGEMENT
Save and organize your thumbnail projects. Duplicate, rename, or delete with a long press. Re-edit any saved project at any time.
FREE TO START
Create up to 3 thumbnails per month for free. Upgrade to Pro for unlimited creations, unrestricted exports, and full editing access.
PRO SUBSCRIPTION
• Monthly: Unlock everything for a low monthly price
• Lifetime: One payment, Pro forever
Privacy Policy: https://gist.github.com/Nozium/76dbcb020d57d84dec183d7efea8712c
Terms of Use: https://gist.github.com/Nozium/90c390e8356d4737ec2ac1c907c99651
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Kaoru Nozue, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- User Content
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Kaoru Nozue
- Size
- 17 MB
- Category
- Graphics & Design
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Rocketnail Pro Monthly $0.99
- Rocketnail Pro Lifetime $9.99
- Copyright
- © 2026 Nozium