Free Online Web Tools
26 professional tools for AI, design, SEO, finance, development, and everyday calculations. No signup, no limits, no hassle.
AI Model Checker
Check if your GPU and RAM can run local AI models like Qwen 3.6, Gemma 4, Llama 4, and DeepSeek V4.
AIGame Requirements Checker
Check if your PC can run AAA games like Cyberpunk 2077, Elden Ring, and Black Myth: Wukong.
AIOG Image Generator
Create stunning Open Graph preview images for social media sharing. Make your links stand out on Facebook, Twitter, and LinkedIn.
DesignColor Palette Generator
Generate beautiful color palettes for your web projects. Export as CSS, Tailwind, or hex codes.
DesignImage Compressor
Compress JPG, PNG, and WebP images in your browser. Reduce file sizes by up to 70% without visible quality loss.
DesignImage Format Converter
Convert images between PNG, JPG, and WebP formats instantly. Handles transparency and batch conversion.
DesignImage Resizer
Resize images to custom dimensions or social media presets. Maintain aspect ratio and quality.
DesignCSS Gradient Generator
Create beautiful CSS gradients with a visual editor. Export as CSS, Tailwind, or SVG. Supports linear, radial, and conic gradients.
DesignJSON Formatter
Format, validate, and beautify JSON data instantly. Spot errors and make your JSON readable.
DeveloperBase64 Encoder/Decoder
Encode text to Base64 or decode Base64 strings. Essential tool for developers working with APIs and data.
DeveloperURL Encoder/Decoder
Encode or decode URLs and query parameters. Handle special characters in URLs correctly.
DeveloperMarkdown Editor
Write Markdown with a live preview pane. See exactly how your content renders as you type. Supports GitHub Flavored Markdown.
DeveloperUUID Generator
Generate UUID v4, UUID v7, and ULID identifiers in batch. Copy single values or download as JSON/CSV.
DeveloperColor Contrast Checker
Check text-background color contrast against WCAG AA and AAA standards. Get pass/fail results instantly for accessibility compliance.
DeveloperMeta Tag Generator
Generate perfect HTML meta tags for SEO, Open Graph, and Twitter Cards. Boost your search rankings and social shares.
SEORobots.txt Generator
Easily generate a robots.txt file for your website. Control how search engines crawl and index your pages.
SEOSitemap Generator
Create XML sitemaps for your website to help search engines discover and index all your pages.
SEOPassword Generator
Generate strong, secure passwords with customizable length and character types.
SecurityMortgage Calculator
Calculate monthly mortgage payments, total interest, and total repayment for your home loan.
FinanceROI Calculator
Calculate return on investment, net profit, and annualized ROI for any investment.
FinanceCompound Interest Calculator
See how compound interest grows your money over time with adjustable frequency and contributions.
FinanceLoan Calculator
Calculate loan payments, total interest, and view complete amortization schedules.
FinanceAdSense Revenue Calculator
Estimate your Google AdSense earnings based on pageviews, CTR, and CPC metrics.
FinanceCrypto Profit Calculator
Calculate cryptocurrency trading profits, ROI, and break-even prices instantly.
FinanceInvoice Generator
Create professional invoices with your branding. Fill in line items, add tax and discounts, and export as PDF.
FinanceBMI Calculator
Calculate your Body Mass Index in metric or imperial units. Find your healthy weight range.
HealthWhy ToolMixr?
All tools run entirely in your browser — nothing is sent to a server. Your data stays private, always.
No accounts, no signups, no paywalls. Every tool is 100% free to use, with no hidden limits.
Built for speed. Tools load instantly and work on any device — desktop, tablet, or phone.
Finance tools that help you plan. Mortgage, ROI, compound interest, and crypto calculators — all free, all private.