Everyday Utility Tools, Zero Telemetry.
High-performance calculators, unit converters, and media optimizers running directly and privately inside your browser memory.
FHA Streamline Refinance Calculator 2026
Calculate FHA Streamline refinance monthly savings, net tangible benefit (5% test), MIP reduction, and break-even timeline.
Muni Bond Tax-Equivalent Yield (TEY) Calculator 2026
Calculate Tax-Equivalent Yield (TEY) on municipal bonds considering federal income brackets, state tax rates, and NIIT surtax.
Gap Insurance Calculator
Calculate vehicle negative equity and loan deficit gap if totaled today.
Medicare Surtax Calculator
Calculate the IRS Form 8959 0.9% Additional Medicare Tax on high earnings.
California Income Tax Calculator 2026
Calculate California state income tax, marginal tax brackets (1% to 13.3%), federal taxes, and net take-home pay.
Power of Attorney (POA) Cost Calculator 2026
Estimate Power of Attorney document drafting fees across DIY forms, estate planning attorneys, notarization, and county recording.
Mortgage Recast Calculator
Calculate new monthly payments and interest saved after a mortgage recast.
Treasury Bill Calculator 2026
Calculate US Treasury Bill purchase discount prices, dollar interest earnings, and Bond Equivalent Yield (BEY).
401k Loan Calculator 2026
Calculate 401(k) loan payments, interest, and lost retirement opportunity cost.
Inheritance Tax Calculator 2026
Estimate state inheritance taxes, statutory exemptions, probate expenses, and net beneficiary proceeds.
Personal Injury Settlement Calculator 2026
Estimate personal injury lawsuit settlement values using the standard insurance multiplier method.
Yield to Maturity Calculator 2026
Calculate bond Yield to Maturity (YTM), current yield, annual coupon income, and capital gain at par.
About ToolSlash Engine
ToolSlash is a high-performance utility platform engineered for speed, privacy, and efficiency. Our core engine powers a wide array of everyday tools - from quick converters to sophisticated text and media processors. By running complex algorithms directly in your browser, we eliminate server round-trips to deliver a seamless, lightning-fast experience.
Frequently Asked Questions
- Are the utilities free?
- Yes, all utility tools on the ToolSlash platform are 100% free to use. There are no premium tiers, hidden fees, or paywalls.
- How is data processed?
- We strongly prioritize client-side processing. Most of our tools execute entirely within your browser memory for maximum speed and zero data exposure.
- Is my data saved?
- While some computationally heavy tools may require our backend engine, your files and data are never saved, stored, or analyzed by us.