Free Developer & Business Tools

Analyze your website's performance and get actionable insights to improve loading times and user experience.

Check domain availability and social media handles for your business name across multiple platforms.

Convert text between different cases instantly. Perfect for formatting content, programming, and data processing.

Generate SEO-optimized meta tags for better search engine visibility and social media sharing.

Generate secure, customizable passwords with various character sets and complexity options.

Create custom QR codes for URLs, text, WiFi, and more. Multiple formats and customization options.

Generate beautiful color palettes and export them in various formats. Perfect for designers and developers.

Generate professional invoices with line items, taxes, deposits, and export to PDF for your clients.

Compress images while maintaining quality. Reduce file sizes for web optimization and faster loading.

Create professional business cards with custom designs, colors, and layouts. Export as high-quality images or PDFs.

Generate invisible characters for text formatting, spacing, and special Unicode characters.

Create beautiful CSS box shadows with live preview. Perfect for modern web design and UI elements.

Test REST APIs, inspect responses, format JSON/XML, and simulate webhook payloads. Perfect for developers.

Format and beautify JSON, JavaScript, HTML, CSS, SQL, and XML code with syntax validation.

Generate and verify MD5, SHA-1, SHA-256, SHA-512, and bcrypt hashes for text and files.

Encode and decode text and files to/from Base64 format with URL-safe options.

Encode and decode URLs and query strings for web development and API integration.

Generate placeholder text in multiple languages with custom paragraph and word counts.

Create custom placeholder images with specific dimensions, colors, and text overlays.

Convert images to favicons in multiple sizes and formats (ICO, PNG) for websites.

Create professional email signatures with contact information, social links, and custom styling.

Build trackable URLs with UTM parameters for marketing campaigns and analytics.

Generate GDPR-compliant privacy policies with customizable templates and legal frameworks.

Create professional service agreements, NDAs, and freelance contracts with legal templates.

Create professional project proposals with pricing tables, timelines, and PDF export.

Calculate return on investment, break-even analysis, and profit margins for business decisions.

Calculate income tax, sales tax, and VAT by country and state for financial planning.

Calculate monthly payments, interest, and amortization schedules for loans and mortgages.

Convert currencies with real-time exchange rates and historical data.

Track billable hours, calculate rates, and manage project time with detailed reporting.

Split bills, calculate tips, manage group expenses, and track business costs.

Convert length, weight, temperature, currency, and data sizes between different units.

Convert Unix timestamps to human-readable dates with timezone support.

Perform DNS lookups for A, MX, CNAME, TXT records with multiple DNS server support.

Check if network ports are open and identify running services for debugging.

Calculate meeting costs based on attendee salaries and time for productivity analysis.

Calculate gross and net profit margins, markup, and pricing optimization for products.