Pixelate Image Render Effect

# Pixelate Image Render Effect > Images render from pixel blocks to sharp when scrolled into view — scroll-triggered canvas reveal for galleries and case studies. **Definition:** Pixelate Image Render Effect is a scroll UI animation from collections.html. It is built with HTML, CSS, and JavaScript, ships with a live preview, and is free to copy into personal and commercial projects. ## Facts - Category: Scroll - Stack: HTML, CSS, and JavaScript - Added: 2026-08-06 - Canonical page: https://html.bosconvertpro.com/collection/pixelate-image-render-effect - Full-page preview: https://html.bosconvertpro.com/collection/pixelate-image-render-effect/full - Live demo: https://html.bosconvertpro.com/demos/pixelate-image-render-effect/index.html - Markdown mirror: https://html.bosconvertpro.com/collection/pixelate-image-render-effect/index.md - License: https://html.bosconvertpro.com/terms ## How to use 1. Open https://html.bosconvertpro.com/collection/pixelate-image-render-effect/full to preview the animation in full screen. 2. Copy index.html, styles.css, and script.js from the code tabs on https://html.bosconvertpro.com/collection/pixelate-image-render-effect. 3. Paste the files into your project and adjust timing, easing, and content as needed. ## FAQ ### What is Pixelate Image Render Effect? Pixelate Image Render Effect is a scroll UI animation from collections.html. Images render from pixel blocks to sharp when scrolled into view — scroll-triggered canvas reveal for galleries and case studies. ### What is Pixelate Image Render Effect built with? Pixelate Image Render Effect is built with HTML, CSS, and JavaScript. The source for every file is shown on the animation page and can be copied straight into your project. ### How do I use Pixelate Image Render Effect in my project? Open the animation page (https://html.bosconvertpro.com/collection/pixelate-image-render-effect), preview it live, then copy index.html, styles.css, and script.js from the code tabs. Paste the files into your project and adjust timing, easing, and content as needed. A standalone demo runs at https://html.bosconvertpro.com/demos/pixelate-image-render-effect/index.html. ### Is Pixelate Image Render Effect free to use? Yes. The Pixelate Image Render Effect demo code may be used in personal and commercial projects. You may not resell or redistribute the collection itself as a competing template pack. Full terms: https://html.bosconvertpro.com/terms. ## Source — index.html ````html Pixelate Image Render Effect

Interior

Minimal Living

Open plan lounge with soft daylight and clean lines.

Interior

Modern Kitchen

Warm wood, stone counters, and refined materials.

Interior

Quiet Bedroom

Soft tones and layered textiles for restful calm.

Interior

Dining Space

Balanced proportions with sculptural furniture forms.

Interior

Spa Bath

Marble surfaces and spa-like lighting details.

Interior

Home Studio

Focused workspace designed for clarity and flow.

Exterior

Dusk Residence

Glass facade glowing against evening sky.

Exterior

White Villa

Crisp geometry framed by greenery and sky.

Exterior

Horizon House

Horizontal lines and panoramic outdoor views.

Exterior

Forest Cabin

Timber volume nestled among tall trees.

Exterior

Coastal Form

Light materials shaped for ocean-side living.

Exterior

Urban Facade

Rhythmic windows and layered city elevations.

```` ## Source — styles.css ````css :root { --bg: #0a0a0a; --surface: #141414; --text: #f2f0eb; --text-muted: rgba(242, 240, 235, 0.58); --text-faint: rgba(242, 240, 235, 0.35); --line: rgba(242, 240, 235, 0.1); --font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif; --page-x: clamp(1rem, 3.5vw, 2.5rem); --gap: clamp(1rem, 2vw, 1.5rem); } *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } html, body { width: 100%; min-height: 100%; background: var(--bg); color: var(--text); font-family: var(--font); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } img { display: block; max-width: 100%; border: 0; } .page { width: 100%; max-width: 1400px; margin: 0 auto; padding: clamp(2rem, 5vw, 3.5rem) var(--page-x) clamp(3rem, 8vw, 5rem); } .section + .section { margin-top: clamp(3rem, 8vw, 5.5rem); } .section__header { margin-bottom: clamp(1.25rem, 3vw, 1.75rem); padding-bottom: 0.85rem; border-bottom: 1px solid var(--line); } .section__title { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text); } .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); } .card { display: flex; flex-direction: column; min-width: 0; } .card__media { position: relative; overflow: hidden; background: var(--surface); } .card__ratio { width: 100%; padding-top: 120%; pointer-events: none; } .card__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; } .card__media canvas[data-pixelate-canvas] { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; transition: opacity 0.3s ease; image-rendering: pixelated; image-rendering: crisp-edges; } .card__body { display: flex; flex-direction: column; gap: 0.35rem; padding-top: 0.9rem; } .card__tag { font-size: 0.68rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); } .card__title { font-size: 1rem; font-weight: 500; letter-spacing: -0.01em; line-height: 1.3; color: var(--text); } .card__text { font-size: 0.85rem; font-weight: 400; line-height: 1.5; color: var(--text-muted); } @media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } } @media (max-width: 520px) { .grid { grid-template-columns: 1fr; } .card__ratio { padding-top: 110%; } } ```` ## Source — script.js ````javascript /** * Pixelate Image Render Effect * Images load as pixelated blocks, then resolve to sharp when in view. */ function initPixelateImageRenderEffect() { const renderDuration = 150; const renderSteps = 12; const renderColumns = 12; document.querySelectorAll("[data-pixelate-render]").forEach(setupPixelate); function setupPixelate(root) { const img = root.querySelector("[data-pixelate-render-img]"); if (!img) return; const trigger = ( root.getAttribute("data-pixelate-render-trigger") || "inview" ).toLowerCase(); const durAttr = parseInt( root.getAttribute("data-pixelate-render-duration"), 10 ); const stepsAttr = parseInt( root.getAttribute("data-pixelate-render-steps"), 10 ); const colsAttr = parseInt( root.getAttribute("data-pixelate-render-columns"), 10 ); const fitMode = ( root.getAttribute("data-pixelate-render-fit") || "cover" ).toLowerCase(); const elRenderDuration = Number.isFinite(durAttr) ? Math.max(16, durAttr) : renderDuration; const elRenderSteps = Number.isFinite(stepsAttr) ? Math.max(1, stepsAttr) : renderSteps; const elRenderColumns = Number.isFinite(colsAttr) ? Math.max(1, colsAttr) : renderColumns; const canvas = document.createElement("canvas"); canvas.setAttribute("data-pixelate-canvas", ""); canvas.style.position = "absolute"; canvas.style.inset = "0"; canvas.style.width = "100%"; canvas.style.height = "100%"; canvas.style.pointerEvents = "none"; root.style.position ||= "relative"; root.appendChild(canvas); const ctx = canvas.getContext("2d", { alpha: true }); ctx.imageSmoothingEnabled = false; const back = document.createElement("canvas"); const tiny = document.createElement("canvas"); const bctx = back.getContext("2d", { alpha: true }); const tctx = tiny.getContext("2d", { alpha: true }); let naturalW = 0; let naturalH = 0; let playing = false; let stageIndex = 0; let stageStart = 0; let backDirty = true; let resizeTimeout = 0; let steps = [elRenderColumns]; function fitCanvas() { const r = root.getBoundingClientRect(); const dpr = Math.max(1, Math.floor(window.devicePixelRatio || 1)); const w = Math.max(1, Math.round(r.width * dpr)); const h = Math.max(1, Math.round(r.height * dpr)); if (canvas.width !== w || canvas.height !== h) { canvas.width = w; canvas.height = h; back.width = w; back.height = h; backDirty = true; } regenerateSteps(); } function regenerateSteps() { const cw = Math.max(1, canvas.width); const startCols = Math.min(elRenderColumns, cw); const total = Math.max(1, elRenderSteps); const use = Math.max(1, Math.floor(total * 0.9)); const a = []; const ratio = Math.pow(cw / startCols, 1 / total); for (let i = 0; i < use; i++) { a.push(Math.max(1, Math.round(startCols * Math.pow(ratio, i)))); } for (let i = 1; i < a.length; i++) { if (a[i] <= a[i - 1]) a[i] = a[i - 1] + 1; } steps = a.length ? a : [startCols]; } function drawImageToBack() { if (!backDirty || !naturalW || !naturalH) return; const cw = back.width; const ch = back.height; let dw = cw; let dh = ch; let dx = 0; let dy = 0; if (fitMode !== "stretch") { const s = fitMode === "cover" ? Math.max(cw / naturalW, ch / naturalH) : Math.min(cw / naturalW, ch / naturalH); dw = Math.max(1, Math.round(naturalW * s)); dh = Math.max(1, Math.round(naturalH * s)); dx = (cw - dw) >> 1; dy = (ch - dh) >> 1; } bctx.clearRect(0, 0, cw, ch); bctx.imageSmoothingEnabled = true; bctx.drawImage(img, dx, dy, dw, dh); backDirty = false; } function pixelate(columns) { const cw = canvas.width; const ch = canvas.height; const cols = Math.max(1, Math.floor(columns)); const rows = Math.max(1, Math.round(cols * (ch / cw))); if (tiny.width !== cols || tiny.height !== rows) { tiny.width = cols; tiny.height = rows; } tctx.imageSmoothingEnabled = false; tctx.clearRect(0, 0, cols, rows); tctx.drawImage(back, 0, 0, cw, ch, 0, 0, cols, rows); ctx.imageSmoothingEnabled = false; ctx.clearRect(0, 0, cw, ch); ctx.drawImage(tiny, 0, 0, cols, rows, 0, 0, cw, ch); } function draw(stepCols) { if (!canvas.width || !canvas.height) return; drawImageToBack(); pixelate(stepCols); } function animate(t) { if (!playing) return; if (!stageStart) stageStart = t; if (t - stageStart >= elRenderDuration) { stageIndex++; stageStart = t; } draw(steps[Math.min(stageIndex, steps.length - 1)]); if (stageIndex >= steps.length - 1) { canvas.style.opacity = "0"; playing = false; window.removeEventListener("resize", onWindowResize); setTimeout(() => canvas.remove(), 300); return; } requestAnimationFrame(animate); } function whenImageReady(fn) { if (img.complete && img.naturalWidth) fn(); else img.addEventListener("load", fn, { once: true }); } function prime() { fitCanvas(); whenImageReady(() => { naturalW = img.naturalWidth; naturalH = img.naturalHeight; if (!naturalW || !naturalH) return; stageIndex = 0; canvas.style.opacity = "1"; backDirty = true; draw(steps[0]); }); } function start() { if (playing) return; fitCanvas(); whenImageReady(() => { naturalW = img.naturalWidth; naturalH = img.naturalHeight; if (!naturalW || !naturalH) return; stageIndex = 0; stageStart = 0; canvas.style.opacity = "1"; backDirty = true; playing = true; requestAnimationFrame(animate); }); } function onResize() { fitCanvas(); if (!playing) { draw(steps[Math.min(stageIndex, steps.length - 1)] || steps[0]); } } function onWindowResize() { clearTimeout(resizeTimeout); resizeTimeout = setTimeout(onResize, 250); } if (trigger === "load") { prime(); start(); } else { prime(); const io = new IntersectionObserver( (entries) => { for (const entry of entries) { if (entry.isIntersecting) { start(); io.disconnect(); break; } } }, { rootMargin: "0px 0px -10% 0px", threshold: 0.15 } ); io.observe(root); window.addEventListener("resize", onWindowResize); } } } document.addEventListener("DOMContentLoaded", () => { initPixelateImageRenderEffect(); }); ````