Free tools
Small tools that
do one thing.
No account, no email, no watermark. The ones that touch your files run entirely in your browser, so nothing is uploaded and nothing is kept.
Video
Shrink a file to fit, without uploading it anywhere.
Captions
Count against the limit that will actually be applied.
Social media character counter
One caption, measured against nine networks at once.
Open it→Instagram character counter
2,200 characters, and the fold that arrives long before.
Open it→TikTok character counter
2,200 characters, and the fold that arrives long before.
Open it→X character counter
280 characters, and the fold that arrives long before.
Open it→LinkedIn character counter
3,000 characters, and the fold that arrives long before.
Open it→YouTube character counter
5,000 characters, and the fold that arrives long before.
Open it→Threads character counter
500 characters, and the fold that arrives long before.
Open it→Bluesky character counter
300 characters, and the fold that arrives long before.
Open it→Facebook character counter
63,206 characters, and the fold that arrives long before.
Open it→Juggling four tabs to publish one post?
Echoia publishes to ten networks from one composer, gathers every comment and message in one inbox, and answers the repetitive ones for you. Free for three accounts, with no card and no clock.
Numbers
Work out a rate with the right denominator.
Engagement rate calculator
The right formula per network, not one for all of them.
Open it→Instagram engagement rate calculator
Divided by followers, the way Instagram should be read.
Open it→TikTok engagement rate calculator
Divided by views, the way TikTok should be read.
Open it→YouTube engagement rate calculator
Divided by views, the way YouTube should be read.
Open it→X engagement rate calculator
Divided by impressions, the way X should be read.
Open it→Images
Crop to the exact format each network expects.
These are the pieces. See the whole thing, or start free.