Free tools
Free tools for creators
Genuinely useful, no login required. Built by BoostHill to help you understand and grow your audience — and when you're ready to push further, our growth services and the creator blog pick up where the calculators leave off.
Calculators
Engagement Rate Calculator
Check any Instagram or TikTok account's real engagement in seconds.
Open toolInstagram Engagement Rate
Your IG engagement rate vs. the benchmarks, instantly.
Open toolTikTok Engagement Rate
Likes, comments and shares ÷ followers — with TikTok benchmarks.
Open toolYouTube Money Calculator
Project channel and Shorts revenue from views and RPM.
Open toolYouTube RPM & CPM Calculator
Convert advertiser CPM into your real RPM and monthly earnings.
Open toolYouTube Shorts Earning Calculator
Estimate Shorts ad revenue from your monthly view count.
Open toolYouTube Watch Time Calculator
Turn views and duration into watch hours and time to 4,000.
Open toolYouTube Playlist Length Calculator
Total run time of a playlist from video count and length.
Open toolSubscribers to Make Money
How many subscribers you need to monetize, plus revenue by niche.
Open toolTikTok Money Calculator
Estimate Creator Rewards income and sponsored-post value.
Open toolStreamer Earnings Estimator
Estimate Twitch & Rumble income from subs, bits, tips and ads.
Open toolGenerators
Instagram Username Generator
Turn a name or keyword into dozens of handle ideas.
Open toolInstagram Bio Generator
Copy-ready bios under 150 characters, in any tone.
Open toolInstagram Caption Generator
Caption ideas in any tone — witty, sales, minimal and more.
Open toolInstagram Hashtag Generator
A balanced mix of popular, niche and community hashtags.
Open toolYouTube Tags Generator
Relevant, copy-ready tags with a live character count.
Open toolAnalyzers
YouTube Channel Audit
Benchmark any channel's subscribers, views and upload cadence.
Open toolYouTube Video Analytics
Views, likes, comments and engagement rate for any video.
Open toolYouTube Tags Extractor
Pull the public tags from any YouTube video for research.
Open toolYouTube Region Restriction Checker
See which countries can or can't watch a video.
Open toolYouTube Trending Videos
Browse the most-popular videos by country for ideas.
Open toolGuides
Social Media Image Sizes
Every platform's image dimensions in one cheat sheet.
Open toolYouTube Thumbnail Size
1280×720 and everything else you need for a sharp thumbnail.
Open toolYouTube Banner Size
Channel-art dimensions and the all-device safe zone.
Open toolInstagram Profile Picture Size
The right size and circle-crop safe zone.
Open tool