Free tools
Free tools for posting everywhere
Captions, hashtags, image sizes and video checks for TikTok, Instagram, YouTube and 7 more. Free, no sign-up.
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AI tools. Free, no sign-up.
One caption, every platform
Paste one caption. Get a version written and sized for each platform.
Try it free →AICaption generator
Describe your post and get three captions to pick from.
Try it free →AIHook generator
Opening lines for your next video or post.
Try it free →AIHashtag generator
A short list of relevant hashtags, sized to each platform.
Try it free →AITitle and description generator for YouTube
Titles that fit in search, plus a description to match.
Try it free →AIBio generator
A profile bio that fits each platform's limit.
Try it free →Check and format
Runs in your browser.
Images and video
Runs in your browser. Files never leave your device.
Image resizer
One image, cropped to the size each platform wants.
Try it free →In your browserVideo specs checker
Check length, size and shape against every platform before you post.
Try it free →In your browserSafe zone checker
See what TikTok, Reels and Shorts will cover on a vertical video.
Try it free →Post once. Show up everywhere.
tenfeeds will post one upload to all 10 platforms. Join the waitlist and we'll email you when it opens.
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