About 401K.is

401K.is is a comprehensive retirement planning resource dedicated to helping Americans understand, optimize, and maximize their 401(k) retirement savings. We provide free tools, guides, and data to empower informed retirement decisions.

Our Mission

We believe everyone deserves access to clear, unbiased 401(k) information. Our mission is to demystify retirement saving by providing comprehensive guides, provider comparisons, company plan data from DOL Form 5500 filings, and free calculators.

What We Offer

Provider Reviews

Unbiased rankings of the top 15 401(k) providers with detailed fee analysis and ratings.

Company Plan Data

284 company-specific 401(k) pages with data from DOL Form 5500 filings.

Free Tools

401(k) calculator, contribution limit reference, and retirement planning guides.