Free Tools for Content Creators
Free calculators, detectors, and generators for content creators. OnlyFans calculator, in-app browser detector, UTM builder, and more.
OnlyFans Earnings Calculator
Calculate your potential OnlyFans income after fees. Includes subscriptions, tips, and PPV.
→ FreeFansly Earnings Calculator
Estimate your Fansly income after platform fees. Supports tiered subscriptions, tips, and PPV.
→ FreeCreator Platform Fee Comparison
Compare earnings across OnlyFans, Fansly, Patreon, Ko-fi, and more — side by side.
→ FreeUTM Link Builder for Creators
Create trackable links with UTM parameters. Know exactly where your traffic comes from.
→ FreeInstagram/TikTok Money Calculator
Estimate how much you can earn per sponsored post based on your followers and engagement rate.
→ FreeLink-in-Bio Page Generator
Create a free, downloadable link-in-bio page. No signup required.
→ FreeQR Code Generator
Generate QR codes for any URL. Customize colors and download as PNG.
→ FreeEngagement Rate Calculator
Calculate your true engagement rate and see how you compare to benchmarks.
→ FreeHashtag Generator
Get 30 optimized hashtags for your niche, grouped by competition level.
→ FreeLink Redirect Checker
Analyze any URL and inspect its components. See protocol, domain, path, and query parameters.
→ FreeSocial Media Bio Generator
Generate engaging bios for Instagram, TikTok, and Twitter in seconds.
→ FreeCreator Tax Estimator
Estimate your taxes as a content creator. Supports US, UK, Germany, and Austria.
→ FreeUsername Availability Checker
Check if your desired username is available across all major platforms.
→ FreeLink Safety Scanner
Scan any URL for safety red flags. Check HTTPS, suspicious patterns, and known shorteners.
→Fix Your Links. Get More Conversions.
In-app browsers kill up to 40% of your clicks. NullMark forces them open in the real browser.
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