Free Online Tools
Browse AI prompt tools, developer utilities, finance calculators, and crypto calculators.
AI Email Writer
Write polished emails from templates for follow-ups, sales outreach, support replies, meetings, reminders, and difficult conversations.
AI Resume Optimizer
Optimize resumes with practical templates for ATS keywords, achievement bullets, project experience, career changes, and role-specific positioning.
Salary Calculator
Convert annual salary into hourly equivalent, monthly gross pay, biweekly pay, weekly pay, and simple pre-tax deduction estimates.
Paycheck Calculator
Estimate take-home pay from gross paycheck amount, federal withholding, state withholding, payroll taxes, and deductions.
Take-Home Pay Calculator
Estimate annual, monthly, and biweekly net income after simplified taxes, retirement contributions, insurance, and deductions.
Contractor Rate Calculator
Estimate freelance, consulting, or contractor hourly rates from target salary, benefits, business expenses, tax reserve, and billable hours.
AI Weekly Report Generator
Generate practical weekly reports from 10 workplace templates for manager updates, project status, engineering sprints, sales, marketing, operations, OKRs, and remote teams.
AI Meeting Summary Generator
Turn messy meeting notes into practical minutes using 10 templates for decisions, client calls, project syncs, product reviews, sprint reviews, 1:1s, interviews, sales, incidents, and executive reviews.
AI Prompt Generator
Generate reusable prompts from 12 practical templates for ChatGPT, Claude, Gemini, Midjourney, DALL-E, SEO, coding, research, marketing, product work, and data analysis.
What Is My IP Address
Show your public IP address, detect IPv4 or IPv6, copy your IP, and view basic network details.
Free JSON Editor Online
Edit, format, validate, minify, sort, escape, and beautify JSON in a fast online JSON editor.
AI Product Description Generator
Write product descriptions for ecommerce, SaaS, app listings, and landing pages.
AI Social Caption Generator
Generate captions for LinkedIn, Instagram, TikTok, X, and short-form marketing posts.
AI Cover Letter Generator
Generate a focused cover letter draft based on a job title, company, and your strongest experience.
AI YouTube Title Generator
Create clickable video titles and content angles without making the topic feel spammy.
AI Meeting Agenda Generator
Create focused meeting agendas with goals, discussion points, timing, and expected outcomes.
AI LinkedIn Bio Generator
Write a sharper LinkedIn headline and About section for job search, consulting, or personal branding.
AI Meta Title and Description Generator
Create search-friendly meta titles, meta descriptions, and keyword angles for blog posts, landing pages, tools, and product pages.
AI Blog Outline Generator
Generate SEO-friendly blog outlines with headings, search intent, internal links, FAQs, and practical writing notes.
AI Paraphrasing Tool
Rewrite rough text into clearer, shorter, friendlier, more professional, or more persuasive versions.
AI Grammar Checker
Check grammar, clarity, tone, and awkward phrasing before sending emails, posts, resumes, or documents.
AI Interview Question Generator
Generate role-specific interview questions, practice prompts, and answer frameworks for job seekers and hiring teams.
AI Business Name Generator
Generate business names, product names, slogans, and positioning angles for startups, tools, newsletters, and creator projects.
AI Privacy Policy Generator
Draft a privacy policy outline for websites, SaaS apps, newsletters, and ecommerce stores from data collection, analytics, ads, and contact details.
AI Terms and Conditions Generator
Draft website terms and conditions sections for SaaS apps, digital products, communities, newsletters, and ecommerce stores.
AI Cookie Policy Generator
Draft cookie policy sections for websites that use analytics, ads, consent banners, tag managers, embeds, and third-party scripts.
AI Refund Policy Generator
Draft refund policy sections for digital products, SaaS subscriptions, memberships, online courses, services, and ecommerce offers.
AI Affiliate Disclosure Generator
Draft affiliate disclosure language for sponsored links, product reviews, referral programs, newsletter recommendations, and creator websites.
AI Website Disclaimer Generator
Draft website disclaimers for AI tools, finance calculators, health information, product reviews, affiliate content, and educational websites.
AI Research Brief Generator
Turn a research question, source notes, and decision context into a structured brief with evidence gaps, comparisons, and next steps.
AI SOP Generator
Convert a repeatable task into a standard operating procedure with roles, steps, checks, edge cases, and handoff notes.
AI Study Plan Generator
Create a practical study plan with milestones, practice loops, review sessions, and AI tutor prompts for a learning goal.
AI Research Summary Generator
Summarize research notes into claims, evidence, disagreements, implications, and verification tasks.
AI Video Script Generator
Create short-form video scripts with hooks, scene beats, voiceover, captions, b-roll, and calls to action.
AI Data Analysis Prompt Generator
Build a structured AI prompt for metrics analysis, segmentation, anomaly checks, charts, and decision-ready insights.
AI Source Comparison Tool
Prepare a source-grounded comparison prompt for pasted notes, links, claims, evidence gaps, and decision risks.
AI Image Edit Prompt Builder
Build precise image editing prompts with keep/change rules, framing, text safety, realism, and review checks.
AI Transcript Action Items Generator
Turn pasted meeting transcript notes into action items, owners, due dates, follow-ups, and uncertainty flags.
AI Agent Spec Generator
Draft an AI agent specification with goals, tools, memory, approval gates, failure handling, and evaluation cases.
AI Workflow Automation Checklist
Turn a repetitive workflow into an automation checklist with triggers, tools, validation, exceptions, approvals, and monitoring.
AI Tool Integration Brief Generator
Plan a tool or connector integration with capabilities, permissions, data flow, tests, failure states, and rollout notes.
Compound Interest Calculator
Estimate future value, total contributions, and compound growth from principal, monthly deposits, rate, and time.
Loan Calculator
Calculate estimated monthly loan payments, total repayment, total interest, extra-payment impact, and consolidation baselines.
Personal Loan Calculator
Estimate personal loan monthly payment, total interest, origination fee impact, net proceeds, and extra-payment savings.
Debt Consolidation Calculator
Compare credit card payoff against a debt consolidation loan by monthly payment, interest, fees, total paid, and estimated savings.
Auto Loan Calculator
Estimate monthly car payments, amount financed, sales tax, total interest, and trade-in impact before comparing auto loan offers.
Student Loan Payoff Calculator
Estimate student loan payoff time, total interest, extra-payment savings, and the monthly payment needed for a target payoff timeline.
Student Loan Refinance Calculator
Compare your current student loan with a refinance offer by monthly payment, total interest, total paid, lifetime savings, and fee break-even.
Car Affordability Calculator
Estimate how much car you can afford from monthly income, existing debt, insurance, fuel, maintenance, down payment, APR, and loan term.
Auto Insurance Calculator
Estimate monthly auto insurance premium, annual premium, deductible pressure, and total car cost from a 6-month quote.
CD Calculator
Estimate certificate of deposit maturity value, interest earned, early withdrawal penalty, and effective yield from deposit, APY, term, and compounding.
APR Calculator
Estimate effective APR from loan amount, interest rate, lender fees, repayment term, and monthly payment pressure.
Loan Comparison Calculator
Compare two loan offers by monthly payment, total interest, total repayment, fees, and payoff term before choosing a lender.
Credit Card Payoff Calculator
Estimate payoff time, interest cost, extra-payment savings, and a baseline before balance transfers or consolidation.
Debt Payoff Calculator
Compare debt snowball and debt avalanche payoff strategies, then benchmark consolidation or balance transfer decisions.
Mortgage Calculator
Estimate mortgage payments from home price, down payment, interest rate, loan term, and use the result as a baseline for affordability, PMI, closing costs, and refinance planning.
Mortgage Payoff Calculator
Estimate how extra monthly principal payments, one-time lump sums, and target payoff years change mortgage payoff time and total interest savings.
ARM Mortgage Calculator
Estimate adjustable-rate mortgage payment shock from initial rate, fixed period, adjusted rate, remaining balance, lifetime cap, tax, insurance, and HOA.
Mortgage Points Calculator
Compare mortgage discount points, upfront point cost, lower-rate payment, monthly savings, break-even time, and net savings over the time you expect to keep the loan.
Mortgage Affordability Calculator
Estimate an affordable home price from income, monthly debts, down payment, mortgage rate, term, monthly housing costs, and DTI limits.
Rent vs Buy Calculator
Compare renting and buying by estimating monthly owner cost, rent growth, home equity, property tax, insurance, maintenance, and down-payment opportunity cost.
Debt-to-Income Ratio Calculator
Estimate front-end and back-end debt-to-income ratio from gross income, housing payment, credit cards, auto loans, student loans, personal loans, and other debt.
PMI Calculator
Estimate private mortgage insurance from home price, down payment, loan-to-value, annual PMI rate, and monthly housing costs.
Property Tax Calculator
Estimate annual property tax, monthly escrow impact, effective tax rate, reassessment pressure, and full housing add-ons from assessed value and local tax rate.
Escrow Shortage Calculator
Estimate mortgage escrow shortage, new monthly escrow payment, shortage repayment, and payment increase after property tax or homeowners insurance changes.
Closing Cost Calculator
Estimate home buyer closing costs, lender fees, title fees, prepaids, escrow reserves, buyer credits, and total cash to close.
Homeowners Insurance Calculator
Estimate annual homeowners insurance premium, monthly escrow impact, deductible pressure, coverage ratio, property tax, HOA, and housing add-ons.
Mortgage Refinance Calculator
Compare current and new mortgage payments, closing costs, break-even time, monthly savings, and lifetime interest impact.
Cash-Out Refinance Calculator
Estimate cash-out refinance loan amount, payment, CLTV, usable cash, closing costs, and equity remaining before comparing lender quotes.
HELOC Payment Calculator
Estimate interest-only and repayment-period HELOC payments from credit line balance, variable rate, draw period, repayment term, fees, and available home equity.
Home Equity Loan Calculator
Estimate fixed home equity loan payment, total interest, closing-cost impact, CLTV, and available equity from home value, mortgage balance, rate, and term.
Home Sale Proceeds Calculator
Estimate net proceeds from selling a home after mortgage payoff, agent commission, seller closing costs, repairs, concessions, and optional capital gains tax reserve.
Capital Gains Tax Calculator
Estimate taxable capital gain and a planning tax reserve from sale price, cost basis, selling costs, exclusion amount, and tax rates.
ROI Calculator
Calculate return on investment from initial cost and final value.
CAGR Calculator
Calculate compound annual growth rate from beginning value, ending value, and years.
Investment Calculator
Project investment value using starting amount, recurring contributions, return rate, and time horizon.
Inflation Calculator
Estimate future purchasing power after inflation over a number of years.
Savings Calculator
Estimate how savings grow with monthly deposits and interest.
Rent Affordability Calculator
Estimate how much rent fits monthly income after utilities, debt payments, planned savings, and fixed commitments.
Renters Insurance Calculator
Estimate renters insurance monthly premium, annual premium, deductible pressure, personal property coverage, liability coverage, and total rent budget.
Health Insurance Cost Calculator
Estimate annual health insurance cost from monthly premium, deductible, out-of-pocket max, expected care, employer contribution, and HSA offset.
Disability Insurance Calculator
Estimate disability income protection gaps from monthly income, essential expenses, emergency savings, waiting period, employer benefits, and tax assumptions.
Umbrella Insurance Calculator
Estimate umbrella insurance coverage gaps from home equity, savings, investments, future income exposure, existing liability limits, and premium.
Pet Insurance Calculator
Estimate pet insurance cost from annual premium, deductible, reimbursement rate, expected vet bills, wellness add-ons, and emergency fund.
Travel Insurance Calculator
Estimate travel insurance cost from trip cost, premium, medical coverage, cancellation coverage, deductible, emergency cost, and cash reserve.
Dental Insurance Calculator
Estimate dental insurance cost from premium, deductible, annual maximum, coverage rate, preventive care, expected dental bills, and orthodontia.
Vision Insurance Calculator
Estimate vision insurance cost from premium, exam copay, materials copay, frame allowance, lens allowance, contacts allowance, and eyewear costs.
Long-Term Care Insurance Calculator
Estimate long-term care insurance gaps from premium, daily care cost, inflation, daily benefit, benefit period, elimination period, and savings.
HSA Contribution Calculator
Estimate remaining HSA contribution room, monthly contribution target, employer contribution impact, and potential tax savings.
401(k) Contribution Calculator
Estimate 401(k) employee contributions, employer match, monthly payroll deduction, and remaining annual limit room using 2026 IRS limit assumptions.
IRA Contribution Calculator
Estimate remaining IRA contribution room, monthly savings target, projected unused room, and potential traditional IRA tax savings using 2026 IRS limit assumptions.
Roth Conversion Calculator
Estimate Roth conversion tax, outside-cash impact, future Roth value, and a simple after-tax comparison with leaving money in a traditional account.
Retirement Withdrawal Calculator
Stress-test retirement withdrawals against portfolio balance, annual spending, inflation, return assumptions, taxes, and time horizon.
Self-Employment Tax Calculator
Estimate self-employment tax, simplified income tax, remaining tax, and quarterly set-aside for 1099, freelance, and contractor income.
Quarterly Tax Payment Calculator
Estimate each remaining quarterly estimated tax payment from annual income, expenses, self-employment tax, withholding, credits, and payments already made.
Sales Tax Calculator
Estimate sales tax collected, marketplace tax already remitted, net tax to set aside, and effective tax pressure for small business orders.
Profit Margin Calculator
Calculate gross profit, gross margin, markup, contribution after operating costs, break-even sales, and target-profit sales for products or services.
Business Loan Calculator
Estimate small business loan payments, total interest, fee-adjusted cash received, monthly debt service, and a DSCR planning reference.
Cash Flow Calculator
Estimate monthly business cash flow, burn rate, runway, debt-service pressure, tax set-aside, and cash buffer months.
Tax Refund Estimator
Estimate a federal tax refund or amount due from expected tax, withholding, estimated payments, credits, and additional tax adjustments.
W-4 Withholding Calculator
Estimate extra federal withholding per paycheck from expected annual tax, withholding to date, remaining paychecks, and current per-paycheck withholding.
Life Insurance Calculator
Estimate a life insurance coverage gap from income replacement, debts, mortgage balance, education goals, existing savings, and current coverage.
Budget Calculator
Estimate a monthly budget from income, housing, needs, wants, debt payments, and savings goals.
Crypto Profit Calculator
Estimate crypto profit or loss from buy price, sell price, quantity, and fees.
DCA Calculator
Estimate dollar-cost averaging results from recurring buys and current price.
Staking Rewards Calculator
Estimate staking rewards from token amount, APR, token price, and time.
Bitcoin ROI Calculator
Calculate Bitcoin ROI from purchase amount, buy price, current price, and fees.
Crypto Converter
Convert crypto amount to fiat value using a manually entered price.
Crypto Market Cap Calculator
Calculate crypto market capitalization from circulating supply and token price.
JSON Formatter
Format, validate, and minify JSON for API debugging and configuration review.
JWT Decoder
Decode JWT header and payload locally for debugging authentication tokens.
Regex Tester
Test JavaScript regular expressions against sample text and inspect matches.
Base64 Encoder Decoder
Encode and decode Base64 strings locally for development, testing, and debugging.
Timestamp Converter
Convert Unix timestamps in seconds or milliseconds to UTC date formats for API and log debugging.
URL Encoder Decoder
Encode or decode URLs, query parameters, and percent-encoded strings locally in the browser.
SQL Formatter
Format simple SQL queries for easier reading, review, and debugging.