Browse by Site
Tools in this directory come from 982+ source sites — from established names like Calculator.net and Omni Calculator to specialised single-purpose tools.
YouTweakIt
1 toolyoutweakit.com
Zalize
1 tooltickets.zalize.com
NYC parking and traffic ticket appeal tool with real dismissal rates from hearing records.
Zamzar
1 toolzamzar.com
Zamzar.com hosts online file conversion tools, allowing users to transform various formats like BMP to PNG easily without downloading software.
ZigWheels
1 toolzigwheels.com
ZigWheels.com hosts a Bike EMI Calculator tool to help you estimate your monthly bike loan payments based on various factors like interest rate and tenure.
aCalculator.org
1 toolacalculator.org
acalculator.org is an online resource for financial calculations, offering a Basis Point Calculator to help with percentage-based measurements in finance.
babyMed
1 toolbabymed.com
babymed.com hosts Baby Eye Color Calculator, a tool for predicting the color of a baby's eyes based on parents' eye colors.
buyupside
1 toolbuyupside.com
buyupside.com hosts tools for investors and traders, including a Beta Stock Calculator to measure volatility relative to the market.
dCode
1 tooldcode.fr
dcode.fr hosts 4 versatile tools including Base64 to Hexadecimal, Beaufort Cipher, Atbash Cipher, and Base64 to ASCII, offering users quick access to a wide range of encoding and decoding functions.
dbx Professional Audio
1 tooldbxpro.com
dbx Professional Audio provides system design tools and calculators for audio and electrical engineering tasks. The site includes a calculators page for common dB and voltage computations. ([dbxpro.com](https://dbxpro.com/en/tools/calculators))
everything RF
1 tooleverythingrf.com
everything RF is a domain providing resources and tools for RF design and engineering. The site hosts calculators like the Balanced Attenuator Calculator to assist in RF signal analysis and component design.
ezyZip
1 toolezyzip.com
ezyZip provides free, in-browser file conversion tools for audio and other formats. ([ezyzip.com](https://www.ezyzip.com/convert-mp3-to-44.1kHz-online.html))
fi-calc
1 toolfi-calc.com
Free financial calculators for investing, mortgages, debt, savings, and retirement planning with interactive charts.
iCalculator
1 toolicalculator.com
Large calculator site with dedicated human resource calculators. ([human-resource.icalculator.com](https://human-resource.icalculator.com/turnover-rate-calculator.html?utm_source=openai))
iLove Invoice
1 toolilove-invoice.com
Free online invoice generator for creating professional invoices without sign-up.
iLoveIMG
1 tooliloveimg.com
iLoveIMG is a free online image editor toolbox covering compression, resizing, conversion, watermarking, background removal, and creative editing.
iuvo Technologies
1 tooliuvotech.com
iuvotech.com hosts Backup Recovery Time Calculator, a tool to estimate how long it will take to recover data after a backup failure.
pdfzus
1 toolpdfzus.de
Browser-based PDF tools for merging, reordering, and compressing files with local processing.
regex101
1 toolregex101.com
regex101 is the de-facto standard online regular expression tester for PCRE, JavaScript, Python, Go, Java, .NET, and Rust flavours.
tweet2image
1 tooltweet2image.com
Convert tweet text into styled PNG cards for presentations, newsletters, and social sharing.
unit-converter.org
1 toolunit-converter.org
Unit conversion site that provides conversions across length units, including astronomical measures. ([unit-converter.org](https://unit-converter.org/en/length/au.html?utm_source=openai))
wee.tools
1 toolwee.tools
Wee.tools hosts BUN Creatinine Ratio Calculator, a tool for estimating glomerular filtration rate in patients with kidney disease.
x-engineer.org
1 toolx-engineer.org
x-engineer.org hosts a BSFC Calculator to help engineers and mechanics measure brake specific fuel consumption for vehicle performance analysis.