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Matrix Rain ASCII Animation – Live Background
Matrix-style digital rain of half-width katakana falling in every column. Fullscreen, download as PNG or animated HTML, embed it free.
About the Matrix Rain effect
Matrix Rain recreates the falling code made famous by late-1990s science fiction. Every column of the screen has its own drop: a six-character trail of half-width katakana (ｱ, ｲ, ｳ and friends) that scrolls downward and wraps back to the top. Columns start at staggered offsets, so the rain never falls in lockstep, and the character in each trail position shifts with the column index, which keeps neighbouring streams from looking identical. The effect is dense and busy by design, so it works best as a full-screen statement rather than behind body text. Classic phosphor green on black is the obvious choice, but amber gives a retro CRT twist and pink or purple feel more synthwave. Increase the font size for a bolder, more readable rain on large displays, or shrink it for a fine, almost texture-like drizzle.
Ideas for using Matrix Rain
  • Hacker-themed stream overlay or 'starting soon' screen
  • Background for a CTF, hackathon or security talk title slide
  • Lobby screen or TV loop at a developer event
Download as wallpaper
Get the Matrix Rain ASCII wallpaper at the exact resolution of your phone, tablet or monitor. Pick a size below to open the wallpaper panel, choose color and character size in the toolbar, then download a PNG, save it to Photos on mobile, or record a 6 second video loop. See every effect side by side on the ASCII wallpapers page.
Download options
  • Wallpaper — exact-size PNG for phone, iPhone, tablet, 4K desktop, ultrawide, square, story, watch or social card, Save to Photos on mobile, and a 6 s MP4/WebM loop.
  • PNG snapshot — single image frame with your chosen color, glow and font size. Use it as a wallpaper, slide background, or social media share.
  • Animated HTML — self-contained .html file with the generator inlined. Open it in any browser and the animation runs offline indefinitely.
  • TXT frame — the current ASCII frame as plain text. Drop it into a README, code comment, or any place that supports preformatted text.
  • Copy ASCII — copy the current frame to clipboard for instant paste anywhere.
  • Copy embed — an iframe snippet pointing at asciify.art with all your color / speed / size parameters in the URL.
Keyboard shortcuts
  • H — toggle UI (hide / show toolbar)
  • F — toggle browser fullscreen
  • Esc — exit fullscreen
Frequently asked questions
Which characters does the Matrix rain use?
Half-width katakana from the Unicode Halfwidth and Fullwidth Forms block, the same family of glyphs used in the films. They render in most system monospace fonts.
Can I use it as a screensaver?
Download the animated HTML file and open it fullscreen in a browser, or point a web-page screensaver app at the embed URL. It runs offline once saved.
How do I download the Matrix Rain ASCII background?
Use the toolbar at the bottom of the fullscreen view. PNG snapshot exports the current frame as a styled image (background, color, glow). Animated HTML exports a self-contained .html file that replays the animation in any browser. TXT exports just the current ASCII frame, and Copy ASCII puts it into your clipboard.
How do I get the Matrix Rain background as a phone wallpaper?
Tap "Wallpaper" in the toolbar and pick a preset: Phone 9:19.5 (1440×3120), iPhone Pro Max (1320×2868), Tablet, Desktop 4K, Ultrawide, Square, Story 9:16, Watch or Social card. The image is rendered at that exact resolution, not upscaled from your screen. "Keep top 25 % calm" dims the area behind the clock and widgets. On a phone, "Save to Photos" opens the share sheet so you can save it straight to your gallery, and "Download video (6 s)" records a short MP4/WebM loop for live-wallpaper apps, Reels or TikTok.
Can I embed the Matrix Rain background on my own site?
Yes. Click "Copy embed" in the toolbar to get an <iframe> snippet pointing at asciify.art. Width, color, speed and font size are encoded in the URL, so it stays exactly the way you configured it.
Can I customize color and speed?
Yes. Pick one of the preset colors, use the native color picker for any RGB value, adjust speed from 0.1× to 3×, and change font size from 6px to 24px. The PNG / HTML / embed export uses the current settings.