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CSS Shadow Generator Pro — box-shadow + text-shadow + drop-shadow, all in one

CSS shadow generator pro — multi-layer box-shadow + text-shadow + filter:drop-shadow, with Material/Tailwind/Apple shadow presets and dark-mode preview.

  • Runs locally
  • Category Generator
  • Best for Starting from a blank page without committing to the first result.

For cards, buttons, modals — supports spread + inset

Material elevation
Tailwind shadow-*
Apple HIG
Toolora brand
Layer 1
Offset X 0
Offset Y 8
Blur 24
Spread -4
Color
box-shadow: 0px 8px 24px -4px rgba(15,17,28,0.35);
shadow-lg
{ boxShadow: '0px 8px 24px -4px rgba(15,17,28,0.35)' }

What this tool does

The one CSS shadow tool that covers all three shadow primitives the platform actually ships: `box-shadow` for cards and buttons, `text-shadow` for headings and overlay text, and `filter: drop-shadow()` for PNG/SVG icons where the shadow has to follow the alpha shape instead of the bounding box. Switch between the three with a tab, and the same offset / blur / color values carry over so you don't lose your work when you realize you needed drop-shadow all along. Sixteen presets ship in the box: Material elevation 1 / 2 / 4 / 8 / 12 / 16 / 24 (the official Google tokens, not approximations), Tailwind `shadow-sm` through `shadow-2xl` (matching tailwindcss defaults verbatim), Apple HIG soft and hard variants, and Toolora's Aurora brand shadow — a teal+violet double-glow that reads well on dark hero sections. Toggle a dark-mode background to see how a shadow that "looks fine on white" disappears on `#0a0e1a`. Pick between four preview objects (card / button / circle / text) so the thing you're previewing matches the thing you're actually styling. Export three ways: a CSS declaration (with optional `-webkit-` / `-moz-` vendor prefix for ancient projects), a Tailwind className approximation pointing at the nearest `shadow-*` preset (because in a Tailwind codebase `shadow-md` is almost always what you want), and a JS object for styled-components / emotion / React inline style. Save your favourite configurations to "my presets" — they persist across browser tabs via BroadcastChannel and survive iOS Safari's private-mode storage restrictions thanks to the namespaced storage layer. Every setting round-trips through the URL, so sharing `?l=...&t=text&bg=dark` lands the recipient on the exact same shadow you built. 100% client-side, zero network requests, zero telemetry on the values you tune.

Tool details

Input
Text + Numbers + Structured content
The page exposes text boxes, numeric controls, file pickers, or structured inputs depending on the tool.
Output
Live result + Copy + Preview
The result area focuses on usable output, with copy, download, or preview actions when supported.
Privacy
Browser-side processing
The main tool logic does not call an external API, so inputs normally stay in the current tab.
Save / share
Shareable URL state
Key settings are encoded in the URL so another person can reopen the same setup.
Performance budget
Initial JS <= 30 KB
No WASM budget is declared, keeping the tool quick to open on mobile.
Best fit
Generator · Designer
Category and role tags drive related tools, internal links, and quick fit checks.

How to use

  1. 1. Input

    Paste or drop your content into the tool panel.

  2. 2. Process

    Click the button. All processing is local in your browser.

  3. 3. Copy / Download

    Copy the result or download to disk in one click.

How CSS Shadow Generator Pro fits into your work

Use it to get a strong first draft, starter asset, or structured output that you can edit before publishing.

Generation jobs

  • Starting from a blank page without committing to the first result.
  • Creating repeatable drafts, names, templates, or placeholder assets.
  • Exploring options before choosing the one that fits the job.

Generation checks

  • Review generated output before it reaches a customer, page, or document.
  • Change defaults when you need a specific brand voice, format, or audience.
  • Keep only the parts that match the real task.

Good next steps

These links move the current task into a more complete workflow.

  1. 1 CSS Box Shadow Generator Visual CSS box-shadow builder — multi-layer, inset, color/blur with live preview. Open
  2. 2 Color Converter HEX ⇄ RGB ⇄ HSL ⇄ HSV ⇄ CMYK — instant 5-way conversion, live swatch — browser-only Open
  3. 3 CSS Gradient Generator Visual CSS gradient builder — linear, radial, conic with multi-stop colors, live preview, copy CSS, PNG export. Open

Real-world use cases

  • Stop authoring three separate shadows for one design

    A typical card spec from a designer is "drop shadow on the card, a soft text shadow on the headline inside, and a halo drop-shadow on the icon in the corner." That's three CSS properties on three elements, and you used to need three separate tools (or one tool plus DevTools twiddling). Build all three here, tab between them, copy each CSS block, and paste into your component file. Total time: under two minutes, and you can share the URL with the designer for sign-off before you ship.

  • Build a complete Material elevation scale for your app theme

    Your app needs elevation tokens for rest / hover / press states on five different surface types. Walk through M1 → M2 → M4 → M8 → M12 → M16 → M24, copy each as a JS object into your theme file, and you have a complete elevation system with the same ambient + key + far-light structure Google uses. Two minutes to do what would be a 20-minute Stack Overflow + DevTools session otherwise, and the values are correct because they come from the actual Material Design 2 spec, not someone's blog post.

  • Check whether a heading is readable on a hero image

    You've got a hero section with a 1920x800 photo and a white headline on top. Switch to text-shadow mode, drop a 2px / 4px / 12px black-at-50% shadow, toggle to dark-bg preview to see how the shadow reads on the darker parts of the photo, then toggle to light-bg to see how it reads on the brighter parts. Tweak the blur until both halves work. You just solved a 30-minute design review in 90 seconds.

  • Match an existing shadow you saw in a Figma / Dribbble shot

    Designer sends you a Figma file with a card shadow they pulled from a Dribbble shot. Eyeball the X / Y / blur from Figma's Effects panel, type them into the layer here, tweak alpha until the preview matches the screenshot. Now copy the CSS and you've got a production version. Without this tool you'd be flipping between Figma and DevTools every five seconds — here the live preview is the same DOM the browser will render, so when it looks right in the preview, it'll look right in production.

  • Audit a legacy stylesheet's shadow usage

    You inherited a codebase with 47 different `box-shadow:` values scattered across CSS files. Paste each one into a layer, run it through the Tailwind className approximator, and you'll quickly find that 38 of them are within rounding distance of `shadow-md` or `shadow-lg`. Now you can replace the lot with three or four canonical tokens — a refactor that takes the design system from "47 values" to "five named elevations" in a day, not a sprint.

  • Save a brand-specific shadow once, reuse forever

    Your brand uses a specific teal-tinted shadow (think the Aurora preset, or your own variant). Build it once here, hit "save as my preset", give it a name like "brand-card-shadow", and now every time you open the tool to build a new component your custom is in the library. The save lives in localStorage, syncs across browser tabs, and survives iOS Safari private mode — so it just works.

Common pitfalls

  • Picking text-shadow when you wanted box-shadow. If the element is a `<div>` or any container with a background, you want box-shadow — text-shadow only paints behind the glyph outlines and you'll get no visible halo around the element edges.

  • Using box-shadow on a transparent PNG icon. The shadow paints behind the bounding rectangle, so you'll see a hard rectangular shadow leaking out from behind your icon. Switch to filter:drop-shadow() — it follows the alpha shape.

  • Setting a large positive spread on an inset shadow against a tight border-radius. The spread effectively shrinks the visible inner edge, which on a heavily rounded element looks like the shadow is eating the content. Start with spread = 0 and only add positive spread for outer shadows.

  • Stacking five identical shadow layers thinking it makes the shadow darker. It does, but only by alpha accumulation, and rendering cost goes up — better to use one layer with a higher alpha. Multiple layers are for stacking ambient + key + far-light, not for "more of the same".

  • Forgetting that filter:drop-shadow doesn't support spread or inset and getting confused why the controls greyed out. They're greyed out because the CSS spec doesn't allow them; the tool is enforcing the spec.

Privacy

Every shadow value, every preset you apply, every color you tweak, every preset you save to "my presets" — all of it stays in your browser. The tool runs as a React island on a static page; there is no server endpoint involved in the shadow generation, no telemetry on the values you pick, and no analytics on which presets you use. The "save my preset" feature uses the browser's localStorage with a `toolora:CssShadowGeneratorPro:*` namespace so it can't collide with other tools' data. The shareable URL contains only the shadow configuration itself — no user identifier, no session token, no tracking parameters. Open the tool, build what you need, close the tab; nothing leaves your machine.

FAQ

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Made by Toolora · 100% client-side · Updated 2026-06-12