Trump Accounts Growth Projector
Project a child's 530A Trump Account to ages 18, 30, and 55 with the $1,000 Treasury seed and $5,000/yr contribution cap.
Open tool →Free online tools that just work
Six practical calculators and generators for families, creators, and developers. Everything runs 100% in your browser — no sign-up, no downloads, and your data never leaves your device.
All tools
Pick a tool — each one opens instantly and works offline after the page loads.
AI Voiceover Tag Helper
Clickable library of expressive audio tags ([whispers], [laughs], [sighs]…) with a script editor, character counter, and density warnings for v3-style AI voices.
Open tool →Car Loan Interest Tax Estimator
Estimate your federal deduction and tax savings under 2026's "no tax on car loan interest" rule for new US-assembled vehicles.
Open tool →DMCA Counter-Notice Generator
Build a complete §512(g)(3)-compliant counter-notification letter for a false YouTube copyright strike — ready to paste into YouTube Studio.
Open tool →MCP Server Config Generator
Pick Model Context Protocol servers from presets, tweak commands and env vars, and get validated mcpServers JSON for Claude Desktop, Cursor, and Claude Code.
Prompt Caching Savings Calculator
See how much prompt caching cuts your monthly AI bill for Anthropic and OpenAI models — cost with vs. without caching, side by side.
Open tool →How it works
1
Pick a tool
Choose any of the six free tools above. Each page explains what it does and what to enter.
2
Run it in your browser
All calculations happen on your own device with JavaScript. Nothing is uploaded, and no account is needed.
3
Copy or download
Get your result as a letter, JSON file, or text — ready to paste into YouTube Studio, Claude Desktop, or your records.
Frequently asked questions
Is FixiTool really free?
Yes. Every tool is free to use with no sign-up and no usage limits. The site is supported by display advertising.
Do the tools send my data anywhere?
No. All six tools run entirely in your browser using client-side JavaScript. Your inputs never leave your device. See our privacy policy.
Do the tools work offline?
Yes — once a page has loaded, every tool keeps working without an internet connection, because no server calls are involved.
Are the calculators' results guaranteed?
No. Results are estimates based on clearly stated assumptions. Tax and finance tools include disclaimers — always verify important decisions with a qualified professional.
Who is FixiTool for?
US, Canadian, and European visitors: parents planning with Trump Accounts, YouTube creators and podcasters, AI developers, and anyone who likes fast free utilities.