Free Online Tools

JSON Formatter

Format, validate, and beautify JSON data with syntax highlighting.

Word Counter

Count words, characters, sentences, paragraphs, and estimate reading time.

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Security

Password Generator

Generate strong, secure passwords with customizable length and character types.

QR Code Generator

Generate QR codes from any text or URL. Download as PNG.

IMG

Media

Image Compressor

Compress images in your browser. Reduce file size without losing quality.

B64

Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 back to text instantly in your browser.

Markdown Preview

Render Markdown to HTML with a live preview. Write and preview Markdown instantly in your browser.

URL Encoder/Decoder

Encode or decode URLs and query string parameters. Supports encodeURIComponent and encodeURI modes.

Regex Tester

Test and debug regular expressions with live matching, match highlighting, and capture group support.

Color Converter

Convert colors between HEX, RGB, and HSL formats with a live preview swatch.

Lorem Ipsum Generator

Generate lorem ipsum placeholder text by words, sentences, or paragraphs.

Security

Hash Generator

Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text instantly in your browser.

Case Converter

Convert text between uppercase, lowercase, title case, sentence case, camelCase, snake_case, and kebab-case.

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Diff Checker

Compare two blocks of text and highlight the differences. See additions, removals, and unchanged content at a glance.

SVG

SVG to PNG Converter

Convert SVG files to PNG images at custom resolutions. Upload or paste SVG code and download high-quality PNGs.

CSV

JSON to CSV Converter

Convert JSON arrays of objects to CSV format. Handles nested objects, mixed keys, and special characters.

UUID Generator

Generate random UUID v4 identifiers in bulk. Customize format with hyphens, uppercase, and copy with one click.

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and dates to Unix timestamps. Live clock, UTC and local time, relative time display.

JWT

JWT Decoder

Decode JWT tokens to inspect the header, payload, and signature. View expiration status and human-readable timestamps.

RSZ

Image Resizer

Resize images to custom dimensions with aspect ratio lock. Upload JPEG, PNG, or WebP and download as PNG or JPEG.

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Slug Generator

Convert any text to clean, URL-safe slugs. Handles unicode, accented characters, and HTML with customizable separators and length limits.

Number Base Converter

Convert numbers between binary, octal, decimal, hexadecimal, and any custom base (2-36) instantly.

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CSS Gradient Generator

Create beautiful CSS gradients with a visual editor. Supports linear and radial gradients with multiple color stops.

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Box Shadow Generator

Generate CSS box-shadow values with a visual editor. Adjust offset, blur, spread, color, and opacity with live preview.

Meta Tag Generator

Generate HTML meta tags for SEO, Open Graph, and Twitter Cards. Preview and copy optimized meta tags instantly.

LLC

S-Corp vs LLC Tax Calculator

Compare tax obligations for S-Corp vs LLC business structures. See self-employment tax savings, payroll costs, and total tax burden side by side.

RSU

RSU Tax Calculator

Calculate taxes owed on Restricted Stock Unit (RSU) vesting events. Estimate federal and state tax withholding, net shares, and take-home value.

ISO

Stock Options Tax Calculator

Compare tax implications of ISO vs NSO stock options. Calculate AMT exposure, capital gains, and optimal exercise strategies.

MTG

Mortgage Payoff Calculator

Calculate how extra payments can pay off your mortgage early. See total interest saved, payoff date, and amortization schedule.

HSA

HSA Investment Growth Calculator

Project the tax-free growth of your Health Savings Account. Calculate triple tax advantages, contribution limits, and long-term investment returns.

Coast FIRE Calculator

Calculate your Coast FIRE number and the age you can stop saving for retirement. See how existing investments grow to your target without new contributions.

EV vs Gas Cost Calculator

Compare the total cost of owning an electric vehicle vs a gas car. Factor in fuel, electricity, maintenance, insurance, and tax credits.

IRA

Roth IRA Conversion Calculator

Estimate the tax cost and long-term benefit of converting a Traditional IRA to a Roth IRA. Compare after-tax values at retirement.

PMI

PMI Removal Calculator

Calculate when you can remove Private Mortgage Insurance. See your equity milestone, estimated removal date, and total PMI cost.

Quarterly Tax Calculator

Calculate estimated quarterly tax payments for freelancers and self-employed workers. Covers federal income tax, self-employment tax, and payment deadlines.

Heat Pump Savings Calculator

Estimate annual savings from switching to a heat pump. Compare heating and cooling costs against furnace, AC, and other HVAC systems.

FIRE Calculator

Calculate your path to Financial Independence, Retire Early. Estimate your FIRE number, savings rate, and years to retirement.

ROI

Rental Property ROI Calculator

Analyze rental property returns including cash-on-cash return, cap rate, cash flow, and total ROI with financing.

Air Fryer Conversion Calculator

Convert conventional oven recipes to air fryer settings. Automatically adjust temperature and cooking time for perfect results.

GIG

Gig Worker Tax Calculator

Estimate taxes for DoorDash, Uber, Lyft, and other gig platform income. Calculate self-employment tax, deductions, and quarterly payments.

Debt Free Date Calculator

Calculate your debt-free date using snowball or avalanche payoff methods. See total interest paid and optimal payment strategies.

WFH

Home Office Deduction Calculator

Calculate your home office tax deduction using the simplified or actual expense method. Compare both methods to maximize your deduction.

SOS

Emergency Fund Calculator

Calculate how much you need in your emergency fund based on monthly expenses, income stability, and personal risk factors.

MED

Medicare IRMAA Calculator

Calculate Medicare Part B and Part D IRMAA surcharges based on your income. Plan to avoid or minimize income-related premium adjustments.

Food Cost Percentage Calculator

Calculate food cost percentage for restaurants. Determine menu pricing, portion costs, and ideal food cost ratios for profitability.

PVR

Construction

Paver Calculator

Calculate how many pavers you need for your patio, walkway, or driveway. Estimate materials, sand, gravel base, and total cost.

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Construction

Fence Calculator

Estimate materials needed for a fence project. Calculate posts, rails, pickets, concrete, and total cost for wood, vinyl, or chain link fences.

$/h

Freelance Rate Calculator

Calculate your ideal freelance hourly rate based on target income, business expenses, taxes, and billable hours.

ETY

Etsy Fee Calculator

Calculate Etsy seller fees, profit margins, and optimal pricing. Includes listing fees, transaction fees, payment processing, and shipping costs.

S/H

Salary to Hourly Converter

Convert between annual salary, monthly, biweekly, weekly, and hourly pay rates. Factor in taxes to see your after-tax equivalent.

Math

Percentage Calculator

Calculate percentages instantly: find X% of Y, determine what percent X is of Y, and compute percentage change between two values.

Compound Interest Calculator

Calculate compound interest with optional monthly contributions. See future value, total interest earned, and a year-by-year breakdown.

APR

Loan Calculator

Calculate monthly loan payments, total interest, and view a full amortization schedule for any loan or mortgage.

Text Rewriter

Rewrite text by reversing words, shuffling, removing duplicates, sorting lines, reversing characters, cleaning spaces, and adding line numbers.

Invoice Generator

Create professional invoices with line items, tax calculation, and PDF download. Fill in business and client details, add items, and print or save as PDF.

Resume Builder

Build a professional resume with a live preview. Add work experience, education, skills, and download as PDF.

Privacy Policy Generator

Generate a comprehensive privacy policy for your website. Select data collection types and compliance requirements to create a customized policy.

BOT

SEO

Robots.txt Generator

Generate robots.txt files with user-agent rules, allow/disallow paths, sitemap URL, and crawl-delay. Includes preset templates for common configurations.

FAV