Free tools for the parts of social media that should not need a SaaS.
Counting characters. Adding invisible line breaks. Generating bold Unicode. Cropping one image for three platforms. 56+ small, focused tools you can copy and paste from, without an account and without a subscription.
Line breakers
11 toolsMost platforms strip regular line breaks the moment you paste. These insert invisible zero-width spaces so your line breaks survive the paste.
Post formatters
12 toolsPer-platform formatting helpers. Strip junk whitespace, normalize bullet points, balance hashtag spacing, get a post that reads the way you wrote it.
Captions with hashtag spacing.
Clean spacing and structure.
Professional spacing.
Twitter / X
Clean tweet formatting.
Threads
Better readability.
Pin descriptions.
Telegram
Channel posts.
Bluesky
Clean spacing.
Mastodon
Fediverse-friendly.
YouTube
Organized descriptions.
TikTok
Engaging structure.
Fediverse
ActivityPub platforms.
Bold & italic
11 toolsUnicode bold and italic generators. The trick most platforms use under the hood for "rich text" they do not actually support, packaged as a one-click copy.
Bold and italic for captions.
Styled posts and comments.
Bold and italic for posts.
Twitter / X
Styled tweets.
Threads
Bold and italic posts.
Styled pin descriptions.
Telegram
Unicode styling.
Bluesky
Styled skeets.
Mastodon
Bold and italic toots.
YouTube
Comments and descriptions.
Fediverse
Any ActivityPub platform.
AI caption generators
11 toolsPer-platform AI caption drafts. Pick a tone, get a few options, edit before you ship. Not a magic button, a starting point to beat the blank page.
Scroll-stopping captions.
Engagement-friendly posts.
Twitter / X
Punchy hooks.
TikTok
Hooks that earn the watch.
Keyword-rich descriptions.
Professional posts.
Threads
Conversational posts.
YouTube
SEO-friendly descriptions.
Telegram
Channel announcements.
Mastodon
Fediverse-toned toots.
Subreddit-aware content.
Specialty tools
8 toolsThe one-off helpers that solve a specific problem: counting characters, building threads, previewing the Instagram grid, tracking what is trending.
Instagram media checker
Profile and media details.
Twitter character counter
Live count, platform limits.
Twitter thread maker
Split long text into a thread.
Twitter trends notifier
Watch trending topics.
Instagram post preview
See it before you publish.
Instagram feed planner
Plan the 9-tile grid.
Hashtag generator
Trending and relevant hashtags.
UTM generator
Trackable campaign URLs.
Photo resizers
3 toolsCrop and resize for the dimensions each platform actually wants. 1080x1080 for Instagram, 1200x630 for LinkedIn, 1600x900 for X, no manual cropping.
Compose once. Ship to 30 platforms.
These tools fix a specific problem. FoPost fixes the workflow: line breaks, character limits, hashtag spacing, image crops, and per-platform overrides happen automatically inside one composer with live previews per platform. Every plan starts with a 7-day free trial.