# TooStamply > Free online tools for developers, designers, and freelancers. Email signature generator, QR code generator, color palette generator, invoice generator, and CSS gradient generator. No signup required, no watermarks, 100% browser-based. ## Core Tools - [Email Signature Generator](https://www.toostamply.com/signatures): Create professional HTML email signatures for Gmail, Outlook, and Apple Mail. 6 templates, custom colors, social media icons, live preview, one-click copy. Free forever. - [QR Code Generator](https://www.toostamply.com/qr): Generate custom QR codes with logo, brand colors, 10 shape presets, 12 frame styles. Supports URL, WiFi, vCard, WhatsApp, email, SMS, and more. PNG & SVG export. - [Color Palette Generator](https://www.toostamply.com/palette): Extract beautiful color palettes from any image. Export to Tailwind CSS, SCSS, CSS Variables, Bootstrap, Flutter, React Native, Swift. Built-in WCAG contrast checker. - [Invoice Generator](https://www.toostamply.com/invoice): Create professional PDF invoices with 12 templates, 50+ currencies, VAT & tax support, logo upload. Instant PDF download, no signup. - [CSS Gradient Generator](https://www.toostamply.com/gradient): Visual editor for linear, radial, conic, mesh, and animated gradients. 150+ curated presets. Export CSS, Tailwind v3/v4, SCSS. ## Guides - [How to Add Signature to Gmail](https://www.toostamply.com/how-to-add-to-gmail): Step-by-step Gmail signature setup guide - [How to Add Signature to Outlook](https://www.toostamply.com/how-to-add-to-outlook): Outlook signature setup for desktop, web, and mobile - [How to Add Signature to Apple Mail](https://www.toostamply.com/how-to-add-to-apple-mail): Apple Mail HTML signature guide for macOS - [Professional Email Signature Examples](https://www.toostamply.com/professional-email-signature-examples): 30+ professional signature examples and templates - [WiFi QR Code Generator](https://www.toostamply.com/wifi-qr-code-generator): Create WiFi QR codes for homes, offices, and events - [QR Code for Business Cards](https://www.toostamply.com/qr-code-business-card): Add QR codes to business cards with vCard data - [Bulk QR Code Generator](https://www.toostamply.com/bulk-qr-code-generator): Generate multiple QR codes at once from CSV/text - [Free Invoice Templates](https://www.toostamply.com/free-invoice-template): Professional invoice templates for freelancers and small businesses - [Color Palette from Image](https://www.toostamply.com/color-palette-from-image): Extract dominant colors from any photo ## Blog - [Blog](https://www.toostamply.com/blog): 50+ guides and tutorials on QR codes, email signatures, color palettes, invoices, and CSS gradients ## Key Facts - All tools are 100% free with no premium tier - No signup or account required - All processing happens in the browser — no data uploaded to servers - Privacy-first: no tracking, no data collection