Online SVGA Player and File Inspector
Client-side web viewer for SVGA vector and bitmap animations. Decode Protocol Buffer binaries, inspect frame rates, step through individual timeline frames, examine embedded sprites, and verify audio sync directly in your browser.
Release to drop .SVGA file
Instant local decode without uploading
Drag and drop your .svga file here
Or browse your computer to test playback, inspect frame rates, and extract sprite layers.
Parsing Protocol Buffer Binary...
Technical File Inspector
Decoded- Protocol Buffer 2.0 Binary Decoding Validated
- Hardware-Accelerated HTML5 Canvas 2D Context
- Zero Memory Leaks on Continuous Loop Playback
Embedded Sprites ()
Internal PNG AssetsLooking for Verified SVGA Animation Files?
Explore our curated marketplace of battle entry effects, avatar frames, chat badges, and interactive gifts optimized for live streaming applications.
How to Test and Inspect SVGA Animations Online
The SVGA file format is widely used in live streaming applications like TikTok Live, Poppo Live, Bigo Live, and Momo for rendering interactive gifts and user interface animations. Testing files before publishing to production prevents crashes, frame drops, and audio desynchronization.
Upload File
Drag and drop your .svga file directly onto the canvas or click Browse to select it from your device.
Inspect Metrics
Review canvas dimensions, total frame count, frame rate (FPS), duration, and embedded audio tracks.
Scrub Frames
Step forward or backward frame by frame to inspect vector curves, text alignment, and motion easing.
Export PNG
Capture any frame as a high-resolution transparent PNG snapshot for documentation or design review.
What is the SVGA Animation Format?
SVGA (Scalable Vector Graphics Animation) is an open-source animation specification created by the engineering team at YY Inc. It was created specifically to solve performance bottlenecks associated with playing rich graphics in mobile live streaming applications.
Unlike traditional video files that compress pixel grids (like MP4 or WebM) or heavy legacy formats like animated GIFs, SVGA files store animation geometry as vector path points and bitmap sprite tables encoded using Google Protocol Buffers. The file is compressed using Zlib, resulting in lightweight payloads that execute directly on the GPU canvas with minimal battery draw and low CPU memory usage.
A critical feature of SVGA is dynamic replacement: developers can bind runtime variables to swap text labels, user nicknames, and user avatar images directly into the animation stage without re-rendering the underlying asset.
Technical Comparison: SVGA vs Lottie vs GIF vs MP4
Choosing the correct animation runtime format is essential for maintaining high frame rates and avoiding out-of-memory crashes on mobile devices.
| Feature | SVGA | Lottie (JSON) | Animated GIF | MP4 Video |
|---|---|---|---|---|
| Alpha Transparency | 8-bit Smooth Alpha | Full Vector Alpha | 1-bit (Jagged Edges) | Requires HEVC with Alpha |
| Dynamic Text and Photo Replacement | Native API Supported | Dynamic Property Binding | Not Supported | Requires Server Rendering |
| Bitmap Heavy Performance | High (Cached Sprites) | Moderate (Can Lag) | Poor (Huge Files) | High (Hardware Video) |
| Synchronized Audio Track | Built-in (MPEG Audio) | Requires External Sync | No Audio | Built-in (AAC Audio) |
| Mobile CPU and Battery Load | Very Low | Low to Moderate | High (CPU Decoding) | Low (Hardware Decoder) |
| File Size Efficiency | Compact (Protobuf + Zlib) | Compact for Vectors | Extremely Large | Compact (H.264/H.265) |
Recommended SVGA File Specifications for Live Apps
Resolution and Dimensions
For square virtual gifts, maintain 750x750 pixels. For full-screen arrival and entry effects, design within 1080x1920 pixels. Avoid odd dimension integers to prevent antialiasing artifacts.
Frame Rate Target
Export at standard 30 FPS or Studio HD frame rates. Keep frame rates consistent throughout the entire keyframe timeline to prevent stutter when the player steps through frames.
File Payload Limit
Keep overall file size under 3 MB. Live streaming viewers frequently download assets over mobile cellular connections; lightweight assets download faster and display without latency.
Bitmap Sprite Optimization
Pre-compress internal PNG assets before importing into After Effects with tools like TinyPNG or pngquant. Reuse shared sprite textures across multiple keyframes.
Developer Integration Code Examples
SVGA provides official rendering libraries for Web, Android, iOS, and Flutter. Below are minimal implementation examples:
const player = new SVGA.Player('#canvasContainer');
const parser = new SVGA.Parser();
parser.load('/animations/gift.svga', function(videoItem) {
player.setVideoItem(videoItem);
player.startAnimation();
});
<com.opensource.svgaplayer.SVGAImageView
android:id="@+id/svgaImageView"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:source="animation.svga"
app:autoPlay="true"
app:loopCount="0" />
SVGA Player Frequently Asked Questions
Are uploaded files stored or sent to a remote server?
No. The entire decoding, frame inspection, and rendering process occurs entirely inside your local browser memory using client-side JavaScript and the HTML5 Canvas API. Your files are never uploaded, logged, or transmitted across the internet.
Why does an SVGA file fail to load or show a blank canvas?
Common causes include corrupt binary headers, unsupported Adobe After Effects shape layer expressions, or missing sprite references in the Protocol Buffer structure. Use this inspector to check if total frames and canvas dimensions evaluate to valid numbers.
How can I export After Effects animations to SVGA?
Designers export animations from Adobe After Effects using the official SVGAConverter extension. Ensure shape layers and compositions conform to supported transform attributes before rendering.
Can I test audio playback in this online player?
Yes. If an SVGA file includes an embedded MPEG audio track, the Technical File Inspector will flag the stream as Detected, and audio will play in sync with keyframes when unmuted in your browser.
Can I extract embedded PNG images from an SVGA file?
Yes. The Embedded Sprites gallery automatically surfaces every internal bitmap sprite packed inside the Protocol Buffer binary.
