Streampost

Free social media tools

Use 44 free social media tools right in your browser — no sign-up. Check character limits, format posts, resize images, verify safe zones and calculate your engagement rate for Instagram, LinkedIn, TikTok, Facebook and more.

Tools by platform

Every tool for one channel, bundled on a single page

Character counters

Check your text length live against every platform limit

Line break generators

Add paragraphs that survive when you post

Engagement calculators

Measure post performance with the right formula for each platform

Text formatters

Format text bold, italic or decorative — where there is no bold button

Image resizers

Resize images to the right dimensions for every platform

Safe zone checkers

Check that your content stays inside the visible area

Free social media tools — no account, no limits

All 44 tools for social media on this page are free forever and work without signing up. No trial, no account required: open the tool, enter your text or numbers, get the result straight away. Everything runs in your browser — your input never leaves your device.

Overview: free tools for social media by platform

If you work on a single channel, the platform overview is the fastest route: Instagram tools for bio, captions and reels, LinkedIn tools for posts and profile images. For X, TikTok, YouTube, Facebook, Pinterest and Threads, the categories above group everything by task rather than by channel.