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View GIF animations and extract individual frames as PNG images
View and analyze GIF images instantly with our free online GIF viewer tool. This tool helps designers and developers preview animated GIFs, check frame details, and analyze GIF properties. Simply upload your GIF and view it with detailed information in real-time.
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Upload a GIF file to view and extract frames
This tool allows you to view GIF animations and extract frames as PNG images. All processing happens in your browser - no files are uploaded to any server.
Note:
GIF viewer displays and analyzes GIF images including animated GIFs. View frame-by-frame, control playback speed, extract individual frames, and inspect GIF properties like dimensions, frame count, and animation timing.
Parse GIF file structure: header, logical screen descriptor, global color table, and image blocks (frames). For animated GIFs, read graphic control extensions for timing, disposal methods, and frame delays. Render frames sequentially.
GIF format: 256 color palette per frame, LZW compression, supports animation and transparency. Frame delay in 1/100 seconds. Disposal methods: none, don't dispose, restore to background, restore to previous. Interlacing for progressive display.
View individual frames of animated GIFs.
Extract key frames from animationCheck frame timing and disposal methods.
Save individual frames as separate images.
Inspect GIF properties and optimization.
// Using gif.js or similar library for parsing
class GifViewer {
constructor(canvas) {
this.canvas = canvas;
this.ctx = canvas.getContext('2d');
this.frames = [];
this.currentFrame = 0;
this.playing = false;
}
async loadGif(file) {
// Parse GIF using library like omggif or gifuct-js
const buffer = await file.arrayBuffer();
const gif = parseGIF(buffer);
this.frames = gif.frames.map(frame => ({
imageData: frame.imageData,
delay: frame.delay * 10, // Convert to ms
disposal: frame.disposal,
left: frame.left,
top: frame.top
}));
this.canvas.width = gif.width;
this.canvas.height = gif.height;
this.render();
return this.getInfo();
}
getInfo() {
return {
width: this.canvas.width,
height: this.canvas.height,
frameCount: this.frames.length,
duration: this.frames.reduce((sum, f) => sum + f.delay, 0) + 'ms'
};
}
render() {
const frame = this.frames[this.currentFrame];
// Handle disposal method
if (frame.disposal === 2) {
this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
}
this.ctx.putImageData(frame.imageData, frame.left, frame.top);
}
play() {
this.playing = true;
this.animate();
}
pause() {
this.playing = false;
}
nextFrame() {
this.currentFrame = (this.currentFrame + 1) % this.frames.length;
this.render();
}
animate() {
if (!this.playing) return;
this.nextFrame();
setTimeout(() => this.animate(), this.frames[this.currentFrame].delay);
}
}GIF viewer class with frame extraction, playback control, and info display. Uses canvas for rendering.
Use GIF viewer to analyze animated GIFs, extract frames, debug animation issues, or inspect GIF properties.
GIF viewer can display each frame. Pause animation, navigate to frame, export as PNG/JPEG. Some tools export all frames at once. Each frame may have different dimensions (optimization).
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