Small tools.
No account.
12 helpers for posts, pictures and links. They run in your browser, nothing you type or drop is sent anywhere, and none of them asks you to sign up.
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Words
Length, threads, hashtags and how a post reads before it goes out.
Character counter
How much room a post has left on each platform.
Thread splitter
A long text cut into a thread that fits, sentence by sentence.
Hashtag check
How many tags a post carries, and which platform will mind.
Post preview
How a post reads on the feed, and where the platform cuts it off.
Bold and italic text
Bold or italic words for platforms that have no formatting.
Line break keeper
Blank lines that survive an Instagram or TikTok caption.
Emoji finder
Search an emoji by name, pick a few, copy them together.
Pictures
Whether a file will post, and what a platform's own buttons will cover.
Picture check
Will this file post? Format, size and shape per platform.
Safe zone check
Where Reels, TikTok and Stories put their own buttons over your video.
Numbers and links
What a post did, where a click came from, and when your audience is awake.
Engagement rate
What a post did, as one number you can compare.
Link builder
A link that tells your analytics which post the click came from.
Posting window
The hours when your customers, in their time zones, are awake at once.
The rest of it, done for you.
Every check on this page runs inside Buzzmark's composer as you write, on a post already in your voice. The tools are for the days you write by hand.