Free social media tools

Preview posts, count characters, write captions with AI, and create threads — all free, no signup required.

Tools tagged “bluesky”

Preview your Bluesky posts before publishing.

Compose Bluesky threads with live preview.

Count characters for Bluesky posts.

Add invisible characters so Bluesky preserves your line breaks.

Convert text to Unicode bold, italic, bold italic, and underline for Bluesky posts.

Check if your images meet Bluesky's size requirements.

Check if your image meets the Bluesky profile photo size requirement (400x400).

Check if your image meets the Bluesky banner size requirement (3000x1000).

Check if your image meets the Bluesky post image size requirement (2000x2000).

Check if your image meets the Bluesky post image (landscape) size requirement (2000x1125).

Check whether a Bluesky username is taken.

Drop in one picture and get every Bluesky size back, cropped to fit.

Find the best times to post on Bluesky for maximum engagement.

Generate fancy fonts for Bluesky — bold, italic, script, small caps, and 14 more styles you can copy straight into your bio or caption.

Turn a one-line brief into ready-to-post Bluesky copy, written to the platform’s length and tone.

Write a Bluesky bio that fits the character limit and actually says something.

Get relevant Bluesky hashtags generated from your actual caption, in the count Bluesky rewards.

Draft Bluesky replies that sound like a person — for FAQs, objections, and polite disagreement.

Paste a Bluesky caption and get it back sharper — same meaning, better wording, written to how Bluesky actually reads.

Ten Bluesky username ideas, generated inside Bluesky’s real handle rules rather than a generic name list.

Describe the photo or video and get a Bluesky caption written for it.

Turn one idea into a Bluesky thread of 5 to 8 numbered posts, each inside the per-post character limit and each able to stand on its own.