Browse by Site

ilcalculator.org

Calculator website with multiple categories of tools and an 'Other Calculators' section. ([ilcalculator.org](https://ilcalculator.org/other-calculators/audiobook-speed/))

ilpi.com

ILPI (Interactive Learning Paradigms) is a platform that hosts educational tools to help users understand and calculate various parameters in fields like chemistry and engineering. Tools such as the Baume to Specific Gravity Density Converter allow for quick conversions between density units, aiding in practical problem-solving.

imcalculator.com

IM Calculator is a resource hosting various health and utility calculators, including Ast Alt Ratio, Barthel Index, and Bag Footprint Calculators.

iotools.cloud

IO Tools is a collection of online tools including converters, calculators, editors, and utilities. The site highlights a large catalog of tools and browsing by tool type. ([iotools.cloud](https://iotools.cloud/))

ipinfo.io

IPinfo is a free IP geolocation, network, and ASN lookup tool used by millions of developers and operators worldwide.

it-tools.tech

IT Tools is an open-source collection of 80+ privacy-focused developer utilities — formatters, generators, encoders, network calculators, and converters — that run entirely in your browser.

imagetocrochetpattern.com

Convert photos into editable, printable crochet color grids directly in your browser.

imageconver.com

Free online image toolkit for converting, compressing, resizing, cropping, watermarking, and editing images.

imagevideofit.com

ImageVideoFit.com hosts Image Resizer, a tool for resizing images and videos to fit specific dimensions or file size requirements.

inchcalculator.com

Inch Calculator is a useful resource for various measurement and conversion needs, offering tools like BHP to kW conversion, BTU Calculator, and Baluster Calculator among others.

indeed.com

Indeed offers salary insights and pay range estimates based on its salary database. ([indeed.com](https://www.indeed.com/job-search-services/salary-calculator-6ycjb?utm_source=openai))

infyways.com

Infyways.com hosts a collection of online tools for content creators, offering a BBCode Viewer to preview formatted text and a BBCode to HTML converter to translate coding into readable web pages.

instantcalculators.net

InstantCalculators.net hosts a collection of useful online calculators, including an Atomic Mass Calculator and a Bearing to Azimuth Angle Converter, for quick reference and easy use.

instrumentation-tools.com

Instrumentation-tools.com provides instrumentation and measurement resources with online tools like an SI Prefix Converter. ([instrumentation-tools.com](https://www.instrumentation-tools.com/pages/tools/Measurement/prefix.html))

insure.com

Insure.com is an established insurance information and comparison site covering auto, health, home, and personal finance topics.

intmath.com

intmath.com hosts Interactive Mathematics (IntMath), offering educational resources and tools for mathematics learners, including a BAI Calculator to help assess body fat percentage.

internetspeedgeo.com

Fast, browser-based internet speed test measuring ping, download, upload, and jitter with provider comparisons.

inventivehq.com

Free cybersecurity tools, calculators, and resources for IT professionals across security, network, developer, planning, media, compliance, and assessment categories

ironhorsefunding.com

Ironhorse Funding focuses on powersports financing and refinancing, offering resources for borrowers considering loans for vehicles like ATVs. It provides online information and prequalification options for customers. ([ironhorsefunding.com](https://ironhorsefunding.com/loan-calculator-powersports-atv/))

isitopentoday.com

Check if stores, banks, and pharmacies are open right now without logging in.

ishareu.cn

Free collection of practical home improvement calculators for materials like paint, concrete, flooring, and tile.

jwt.io

JWT.io is the canonical JSON Web Token decoder and debugger from Auth0, with library references for every language.

jsontotable.org

JSON to Table Converter is hosted at jsontotable.org and offers online tools for converting various data formats into tables, such as JSON to CSV and Base64 to HTML.

jsonformatter.org

jsonformatter.org hosts online tools for working with JSON data, including a Base64 to JSON converter.

jsonlint.com

JSONLint is a long-running browser-based JSON validator and reformatter.

jadealmanac.com

Free browser-based Four Pillars and BaZi calculator for Chinese astrology.

jstools.space

Free, privacy-first browser-based developer utilities for code formatting, JSON manipulation, data encoding, and test fixture generation with no external data transmission.

jensonusa.com

Jenson USA offers practical tools for cyclists, including a Bike Size Calculator and a Bike Fit Calculator to help with maintenance and performance.

jouleio.com

Free energy calculators for solar savings, EV charging, electricity bills, carbon footprint, and household energy.

kbe-elektrotechnik.com

kbe-elektrotechnik.com hosts a useful tool for electrical professionals, offering an AWG to Mm2 Electrical Converter to help with cable sizing calculations.

kff.org

KFF (Kaiser Family Foundation) hosts Biden’s Vaccine Plan Calculator and other tools to explore healthcare policy options and impacts.

kamnevapps.com

Browser-based image, document, and utility tools that process files locally without uploads or accounts.

kapwing.com

Kapwing.com hosts a suite of online tools for creating graphics and videos, including a Banner Size Calculator to help determine optimal dimensions for various types of banners.

kegerators.com

Kegerators.com is a site that hosts tools related to beer and party planning. Their Beer Pong Calculator helps determine the best team composition for a game.

kickresume.com

Kickresume.com hosts Before/After Transformer and similar tools to help users compare and contrast images side by side for design, photography, and other creative projects.

kijanix.com

Kijanix offers construction cost calculators with real pricing data and site measurement tools for homeowners.

kivtools.com

Local-first browser-based developer utilities for JSON, APIs, code formatting, and DevOps operations.

kloud9it.com

Kloud9 IT provides a Backup Recovery Time Calculator tool to help estimate how long it will take to recover data from a backup.

knowledgesharingplatform.com

Knowledge Sharing Platform is a website that hosts various online tools to simplify complex calculations and conversions. Currently, it offers a Bearing to Azimuth Angle Converter to help users easily convert bearing measurements into azimuth angles for navigation and construction purposes.

kodytools.com

kodytools.com hosts 13 useful online calculators and converters for various needs, including cost calculations, unit conversions, and more.

kylesconverter.com

Kyle's Converter is kylesconverter.com hosts a variety of conversion tools for everyday use, including BTU to kWh, Attohertz to Hertz, and Barrel Beer to Gallons conversions.

lcm-calculator.com

LCM Calculator offers free online math calculators covering LCM, HCF/GCF, and related tools. ([lcm-calculator.com](https://www.lcm-calculator.com/associative-property-calculator))

lfgitignore.com

LFGitignore is a free service from the Ludovic Frank group focused on generating .gitignore files. ([lfgitignore.com](https://lfgitignore.com/en/?utm_source=openai))

lambdatest.com

LambdaTest provides testing infrastructure plus a large set of free browser-based developer utilities for encoding, formatting, and data conversion tasks.

landajob.cc

Free salary calculator based on real job posting data with no signup required.

landsurveyorsunited.com

Land Surveyors United is an established community and resource hub for surveying professionals, students, and geospatial practitioners, including practical calculators and field tools.

lastcalculator.com

LastCalculator.com hosts a Planning Calculator Suite, offering tools to help users plan various aspects of their lives.

latestqr.com

Free online QR code generator with customization and multiple format support.

lawnmowingcalculator.com

Estimates lawn mowing costs based on area, services, and difficulty level.

learnmetrics.com

LearnMetrics provides calculators and reference charts related to HVAC, electrical, and energy topics. ([learnmetrics.com](https://learnmetrics.com/wire-gauge-chart-amp-wire-sizes/))

ledgerfilelab.com

Browser-based converter for QuickBooks Web Connect files to spreadsheet formats.

leettranslator.com

Free online leet speak translator that converts English text to 1337 and back in multiple transformation modes.

lembog.com

Lembog Tools is lembog.com hosts a collection of online tools, including an Audiobook Speed Calculator to adjust playback speeds for audiobooks.

levyio.com

Free tax calculator suite for income tax, sales tax, capital gains, self-employment tax, paycheck estimates, and US state planning.

lightcalculator.com

LightCalculator.com hosts a Beam Angle to Coverage Light Converter tool, helping users calculate light coverage based on beam angle for various applications.

localfoodheroes.com

LocalFoodHeroes.com offers online tools to help home cooks and small businesses manage their food production and preparation efficiently, including a Bacon Curing Calculator for anyone looking to make homemade bacon.

localresizer.com

Free privacy-friendly image resizer that processes images locally in your browser without uploading to servers.

longdivcalc.com

Free long division calculator with step-by-step solutions for learning.

lipsum.com

Lipsum.com is the canonical Lorem Ipsum generator, hosting both the placeholder text generator and the historical reference of Cicero's De Finibus Bonorum et Malorum.

lumocalculator.com

LumoCalculator.com hosts a Belt Size Calculator tool for determining proper belt sizes in various applications.