Design CSS borders visually — width, style, color, and radius with live preview and copy-ready code. Prototype a card border in 30 seconds — free, local, no signup.
Content reviewed October 2026 · About Toolzum
Design CSS gradients — linear, radial, conic — with multi-stop color control and live preview. Ship mesh-grade backgrounds from code — local generation, free, no signup.
Preview font size, line-height, letter-spacing, and weight combos live before committing CSS. Test a 32px/1.5 bold hero in seconds — free, local, no signup.
Pick colors from a visual spectrum or enter hex values. Copy to clipboard — perfect for design palettes, CSS variables, and UI mockups. Work never leaves your device — everything renders locally in your browser.
Generate CSS border-radius values visually. Control each corner independently with live preview. Code never leaves your device — formatting and validation run locally in your browser.
Preview your text in 6 Google fonts — Inter, Playfair Display, Fira Code, Pacifico, Outfit, and Montserrat — and copy the ready-to-use CSS import plus font-family rule. Free, local, no signup.
Set 1–2px solid with your brand color plus 12–16px radius: the classic card look. The preview updates live — copy the shorthand straight into your stylesheet.
Solid, dashed, dotted, double, groove, and ridge — all six render in preview. Dashed suits coupons and tickets; double frames certificates.
No — one width, style, color, and radius apply to the whole box (e.g. 1–2px solid plus 12–16px radius for cards). Per-side accent bars need hand-written longhand.
No — generation runs locally in your browser. Copy the CSS free with no account.
HEX to RGB Converter
Convert 3- or 6-digit HEX colors to RGB values instantly. Translate #4F46E5 for CSS rgb() use — free, local, no signup.
Favicon Generator
Generate favicon packages — PNG icons plus Apple touch icons — from one image. Note: the .ico file is PNG data renamed (modern browsers only). Ship every platform icon in one pass — local generation, unlimited saves.
SVG Editor
Edit SVG code with live preview — paths, fills, transforms. Tweak icons without Illustrator — local editing, unlimited saves.
Color Converter
Convert colors between HEX, RGB, and HSL with a type-and-convert text UI. Translate brand specs across formats — free, local, no signup.
Font Converter
Convert fonts between TTF, OTF, and WOFF (WOFF2 accepted as input) with custom-text preview before downloading. Ship web-ready WOFF in one pass — local opentype.js work, unlimited saves.
Font Subsetter
Subset TTF/OTF fonts to used characters and export TTF or WOFF — cut webfont weight by 90%. Ship 12 KB instead of 150 KB — local opentype.js work, unlimited saves.