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Powerful Web Engines

Everyday Utility Tools, Zero Telemetry.

High-performance calculators, unit converters, and media optimizers running directly and privately inside your browser memory.

Catalog

932
Finance

Asset Allocation by Age Calculator

Calculate your ideal portfolio asset allocation between stocks, bonds, and cash based on age, retirement horizon, and risk tolerance using the Rule of 120 and Bogleheads principles.

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Finance

Mortgage Calculator Texas 2026

Calculate Texas monthly mortgage payments: Principal & Interest, Texas county property taxes, Homestead Exemption ($100k deduction), homeowners insurance, and PMI.

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Finance

Delaware Paycheck Calculator 2026

Calculate Delaware net take-home pay: Delaware progressive income tax brackets (2.2% to 6.6%), federal tax withholding, FICA (Social Security & Medicare), and pre-tax deductions.

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Finance

Washington Minimum Wage Calculator 2026

Calculate Washington State minimum wage ($17.13/hr), local city rates (Seattle $20.76/hr), overtime pay, and take-home pay with 0% state income tax.

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Finance

Massachusetts Minimum Wage Calculator 2026

Calculate Massachusetts minimum wage ($15.00/hr), tipped service rate ($6.75/hr), overtime, 5.0% flat state tax, and PFML deductions.

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Health

Body Recomposition Calculator 2026

Calculate calories and macronutrients for simultaneous fat loss and muscle gain using Mifflin-St Jeor BMR and calorie cycling.

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Converters

GPA to Percentage Converter

Convert GPA to percentage across 4.0 US college scale, 10.0 Indian CBSE/AICTE CGPA, and 5.0 weighted scales.

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Finance

Idaho Sales Tax Calculator 2026

Calculate Idaho state sales tax (6.00%) and local option resort taxes (up to 9.00% combined in Sun Valley, Ketchum, McCall, and Sandpoint).

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Educational

Citation Generator

Generate accurate citations in APA 7th, MLA 9th, Chicago, Harvard, IEEE, and BibTeX styles for books, journal articles, websites, and papers.

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Utility

Website Uptime Monitor

Free browser-based website uptime and response-time monitor. Track websites with live status checks and real-time latency graphs.

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Educational

Passive Voice Checker

Free passive voice checker: paste text to detect passive verbs, calculate passive sentence percentage, and highlight sentences for active rewrites.

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Utility

PCS Travel Days Calculator

Calculate authorized PCS travel days under Joint Travel Regulations (JTR 350 mi/day rule), MALT mileage, and family per diem allowances.

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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.