ZX Spectrum Basic Emulator - Online Retro Code Playground
Write and run simple Sinclair BASIC programs in a browser-based ZX Spectrum emulator. Load demo programs and experience 80s computing. Educational fun.
UD5 Toolkit
Write and run simple Sinclair BASIC programs in a browser-based ZX Spectrum emulator. Load demo programs and experience 80s computing. Educational fun.
Reduce the number of colors in an image to a retro 8‑bit look. Uses median cut quantization in the browser. Preview and download the stylized result.
A dedicated color picker with common retro gaming palettes (NES, Gameboy). Pick and copy hex codes. For pixel art creators.
Create a customizable scrolling marquee banner. Copy the HTML and CSS. For retro web projects or fun.
Keep a virtual pet alive by feeding, playing, and cleaning. Its state persists in localStorage. Come back or it gets sad.
Generate classic retro sound effects (coin, jump, explosion) using oscillators and noise. Play and download as WAV. Web Audio API fun.
Apply vintage and sepia effects to your photos. Adjust grain, vignette, and tone curves. Download filtered image. Local canvas manipulation.
Add a warm, orange light leak to your photo for a vintage film look. Adjust intensity and angle. Instant download.
Control a lunar module and try to land softly on the moon. Manage fuel and thrust. Classic arcade physics. Canvas.
Turn any photo into a mosaic of colored blocks or pixel art. Choose block size and palette. Download as PNG. Pure canvas.
Display a stylish retro flip clock or Nixie tube clock in full screen. Perfect for desk presentation or decoration. Pure CSS and JS.
Generate a random sequence of button presses that looks like a retro game cheat code. Totally useless, totally fun.
Play the classic Snake game inside your browser. Arrow keys to move, eat the apple, grow longer. High score tracked locally.