Browse by Site

electricaltechnology.org

Electrical Technology.org hosts useful electrical conversion tools, like an AWG to mm² converter and information on #2 gauge wire specifications for DIY electricians and home renovators.

electronicmusicmall.com

Electronic Music Mall provides music production resources and tools. ([electronicmusicmall.com](https://www.electronicmusicmall.com/audio-file-size-calculator/))

electronicsforu.com

Electronics For You is a website that hosts various electronic design and calculation tools, including a Balanced Attenuator Calculator for RF design.

embroiderypricingcalculator.com

Calculate embroidery production costs and retail prices based on stitch count, quantity, labor, and materials.

enchantorder.com

Calculates optimal Minecraft enchantment and anvil combinations to minimize level costs.

engineeringtoolbox.com

Engineering ToolBox is a long-running engineering reference site with formulas, property tables, and practical calculators used across mechanical and civil disciplines.

apps.engineeringtoolbox.com

Engineering ToolBox is a long-running engineering reference site with calculators, data tables, and technical guides. Its app subdomain hosts quick browser-based calculation tools.

envlock.io

Env Lock.io provides a .env file generator tool to help manage environment variables securely and easily across different development environments.

eontools.com

Eon Tools is a site offering various financial calculators, including an Average Variable Cost Calculator, to help users make informed decisions about their expenses and productivity.

equalsmoney.com

Equals Money is a resource for financial calculations, offering a Basis Point Calculator to help with percentage conversions in finance.

everydaycalculator.net

Everyday Calculators.net hosts simple calculators for everyday use, such as a Bedridden Patient Height Calculator to assist with daily living needs.

everydayconverters.com

EverydayConverters.com hosts Base64 to Octal converter and offers a variety of online tools for unit conversion, data encoding, and more.

evite.com

Evite.com hosts tools to organize social gatherings and events. Their Beer Pong Calculator helps plan and manage beer pong tournaments efficiently.

exceltool.io

Free online Excel tools for converting PDFs, viewing and editing workbooks, cleaning data, and repairing spreadsheets.

exchange-rates.org

Exchange-Rates.org publishes live currency rates and conversion tools for major world currencies. ([exchange-rates.org](https://www.exchange-rates.org/converter/aud-nzd?utm_source=openai))

experian.com

experian.com hosts various financial tools to help users manage their credit scores and make informed decisions, including an Auto Lease Calculator.

eyecalculator.com

EyeCalculator is a site that provides tools for parents and caregivers. It includes a Baby Eye Color Calculator to help predict eye color combinations in newborns based on their parents' eye colors.

eyesift.com

Free AI content detector that identifies human-written vs AI-generated text without signup.

ezgif.com

Ezgif is a long-running free online GIF maker and editor with broad coverage of animation tools — GIF creation, optimisation, conversion between video and image formats, and lightweight video editing.

playfatelab.com

Local-first browser tools for random decisions, dice rolls, coin flips, and name picking without needing an account.

fpvtune.com

AI-assisted tuning tool that analyzes Betaflight blackbox logs for FPV drone optimization.

freeandclear.com

freeandclear.com hosts a suite of practical financial calculators designed to help users manage their money effectively. One featured tool is the Bi-Weekly Mortgage Payment Calculator, which helps homeowners understand how switching to bi-weekly payments can reduce mortgage interest and save money over the long term.

fairviewmicrowave.com

fairviewmicrowave.com hosts educational RF design tools, including a Balanced Attenuator Calculator, to help professionals and students design radio frequency circuits accurately.

favicondl.com

Download favicons and app icons from any website instantly.

feedmyguests.com

FeedMyGuests.com hosts tools to help with planning and organizing events for guests, such as a BBQ Party Calculator to estimate food and supplies needed.

ferty9.com

ferty9.com hosts useful health calculators including a Period Calculator and a Pregnancy Due Date Calculator. These tools assist with tracking menstrual cycles and estimating pregnancy timelines.

fibertools.app

Free crochet and knitting calculators for planning patterns and garments.

figma.com

Figma Colors is figma.com's collection of color palettes and design resources for users to enhance their visual projects.

financialtoolset.com

Free financial calculators and tools for budgeting, investing, debt, taxes, and more

fincent.com

Fincent is a finance-focused website offering various tools to help manage personal and business finances effectively. One of its sample tools is an Average Fixed Cost Calculator, which assists in determining the average cost per unit of production over time.

finder.com

Finder.com hosts Bank Fee Comparison Calculator - Find the Best Account and similar tools to help users compare financial options.

finlytics.org

Finlytics.org hosts financial planning tools, including an Asset Allocation Calculator & Visualizer to help users optimize their investment portfolios.

fnbo.com

fnbo.com provides financial calculators and tools to help with various aspects of personal finance. The Back to School Calculator is an example of the kind of resource available on the site.

fitliferegime.com

Fit Life Regime is a fitness website offering a Bench Press Pyramid Calculator to help users calculate optimal bench press sets and reps for their training regimen.

fitbaseline.com

Fitbaseline.com hosts a Baseline Grid Calculator tool to help designers create visually balanced layouts.

flattools.com

FlatTools.com hosts two useful battery-related tools: a Battery Charge Time Calculator to estimate how long it will take for a device's battery to charge fully, and a Battery Charge Manager to help optimize charging habits for longer-lasting battery life.

focero.com

Embeddable productivity widgets and timers for study dashboards and Notion.

fontgen.in

FontGen provides free online tools for converting text into stylized fonts using Unicode characters.

fontjoy.com

Fontjoy is a free tool for discovering harmonious font pairings using deep-learning-assisted matching across Google Fonts.

footprinthero.com

Footprint Hero is a website providing practical tools for daily life, including a Battery Capacity Calculator to help estimate how long your device will last on a single charge.

foreach.id

ForEach.id hosts unit conversion tools for various measurements, including a Barrel Per Minute to Lpm converter.

forbes.com

Forbes Advisor publishes personal finance guidance and tools, including currency converters. ([forbes.com](https://www.forbes.com/advisor/money-transfer/currency-converter/aud-cad/?utm_source=openai))

fotor.com

fotor.com hosts online tools for graphic design and creation, including a banner size calculator to help determine optimal dimensions for website headers and banners.

foundationcostcalculator.com

Free foundation repair cost estimator for homeowners and contractors.

freeasphaltcalculators.com

Free online calculators for asphalt, concrete, gravel, and construction material cost estimates.

freeimageresizer.net

Free online image resizer that compresses, crops, and optimizes images in your browser.

freeimg.tools

Browser-based image and PDF editor with no signup or file uploads required.

freeonlinecalc.com

Free Online Calc is a site that hosts calculators for various statistical distributions, including the Beta Distribution Calculator. It offers tools to help users perform calculations and understand data analysis concepts.

free-qr-codes.com

Privacy-first browser tools for creating, scanning, and checking static QR codes with local processing.

freetoolstouse.com

Collection of 180+ free browser-based tools for PDF, image, development, finance, and science tasks.

freewebptojpg.com

Free online image converter and optimizer supporting WebP, JPG, PNG, GIF, SVG and bulk batch processing.

freecodeformat.com

FreeCodeFormat.com hosts several handy online tools for web developers and enthusiasts. It offers a BBCode Viewer to preview how BBCode formatted text will appear on websites, a BBCode Editor to create and edit BBCode content, and a Base64 to Hexadecimal converter to convert between these two encoding formats.

freeconvert.com

FreeConvert is a file conversion service covering video, audio, image, document, ebook, and archive formats, with a generous free tier limited only by file size.

freeformatter.com

FreeFormatter is a free toolbox of 40+ developer utilities — formatters, validators, converters, encoders, minifiers, and string escapers — covering JSON, XML, HTML, CSS, SQL, YAML, JavaScript, and more.

freeinsuranceiq.com

Free calculators for life, auto, home, health, renters, disability, and long-term care insurance, plus term vs. whole life comparison.

freelegaliq.com

Free legal cost calculators for child support, divorce, DUI, estate planning, and LLC formation.

freemoneyiq.com

A collection of free online financial calculators for mortgages, loans, savings, and tax planning.

freereicalc.com

FreePropertyCalc is a real-estate focused calculator site aimed at homebuyers and investors. ([freereicalc.com](https://freereicalc.com/?utm_source=openai))

freesmartcalculator.com

FreeSmartCalculator.com provides an array of handy calculators for various needs, including audio file size calculation, average triathlon finishing time, BC to AD date conversion, batting strike rate, Bertrand's paradox exploration, and bicarbonate deficit assessment, among others.

freedomunits.app

Playful map and converter that measures distances in absurd real-world units like bananas, buses, and football fields.