Yes, We Built Another Image Converter. Here’s Why.

Yes, We Built Another Image Converter. Here’s Why.

Why the world needed a converter that respects metadata, color profiles, and image uniqueness. Learn how we engineered it with WebAssembly and multi-threading.

Yes, We Built Another Image Converter. Here’s Why.

The world definitely did not need “yet another image converter”. And that’s exactly why we built one.

Most converters on the market operate on a fundamentally flawed one‑size‑fits‑all premise:

  • They force a fixed quality setting (e.g., 80%) on every image.
  • They strip critical data like color profiles (ICC) and metadata (EXIF/IPTC).
  • They run on a single thread, choking your browser while processing.
  • They support a limited set of formats, often failing on TIFF, HEIC, or RAW.

That approach is efficient for the service provider, but terrible for the user. A quality of 80 might be overkill for a simple geometric graphic (wasting bytes) but insufficient for a high-frequency photograph (causing artifacts).

SciZone takes a different route. We architected a system that respects the uniqueness of every image and the hardware of every user.

Why Choose SciZone?

We're not just another optimizer. We engineered a fundamentally better solution.

Feature
SciZone (You're here)
Other Optimizers
CPU Utilization
How processing power is used
True Multi-Threading Intelligently uses all CPU cores
without overloading your system
Single-Threaded Uses only one CPU core,
wastes available power
Quality Settings
How compression is optimized
Unique Per Image Algorithm analyzes each photo
and picks optimal settings
One-Size-Fits-All Same settings for every photo,
inconsistent quality
Metadata & Color Profiles
Preservation of image data
Fully Preserved EXIF, color profiles, geolocation.
Everything stays intact
Often Stripped Color profiles lost,
metadata incomplete
Quality-Size Balance
Optimization results
Perfect Balance Maximum compression with
imperceptible quality loss
Inconsistent Either too large or
noticeable quality loss

The Bottom Line

Every photo is unique. Our intelligent algorithm understands this and analyzes each image individually to find the perfect balance between file size and quality. We utilize your computer's full power without overloading it, preserving every detail of your metadata and color profiles. Your files are smaller, faster, and absolutely perfect. 🎯

The Architecture of Adaptive Compression

Instead of guessing a quality setting, we built a pipeline that tunes compression per image. We analyze the visual complexity of the file and iteratively test quality levels against perceptual metrics to ensure the smallest possible file size that maintains visual fidelity.

Our client-side pipeline, powered by WebAssembly (WASM), consists of three high-fidelity stages:

1. Entropy Analysis

We begin by analyzing the image’s information density to locate the most visually complex region. This “worst-case” block serves as our quality benchmark. If we satisfy quality constraints here, the rest of the image is guaranteed to look perfect.

We don’t just pick a number. We perform a binary search for the optimal compression level. We continuously encode the reference block and measure the results against strict objective metrics:

  • SSIM (Structural Similarity Index) ≥ 0.95: Ensures structural integrity is preserved.
  • PSNR (Peak Signal-to-Noise Ratio) ≥ 44.5 dB: Ensures signal fidelity.

3. High-Fidelity Encoding

Once the optimal parameters are found, we compile the final image. Unlike standard tools, we use ImageMagick for decoding and libwebp for encoding, allowing us to support a vast array of input formats and ensuring that color profiles and metadata are preserved in the final container.

Performance at the Edge

Processing images this rigorously in the browser requires significant compute power.

  • Native Speed via WASM: Core logic is written in C++ and compiled to WebAssembly, utilizing SIMD instructions for accelerated metric calculation.
  • True Multi-Threading: We leverage navigator.hardwareConcurrency to spawn a pool of Web Workers. Using Transferable Objects, we pass image data between threads with zero-copy overhead, ensuring your UI remains 60fps responsive even when processing thousands of images.

The Result

The result is a converter that consistently produces smaller files than standard tools without the risk of degradation. See for yourself:

Typical Results

See how much space you can save. Quality stays the same, file sizes shrink dramatically. Click images to view full size.

After preview Before preview
Before
After
5184×3456
1.19 MB 0.42 MB
-65%
After preview Before preview
Before
After
4000×3199
0.95 MB 0.32 MB
-66%
After preview Before preview
Before
After
7680×4800
0.97 MB 0.30 MB
-69%

Average Results

Based on thousands of optimized images

45-70%
Average size reduction
100%
Quality preserved
1000+
Images per batch

By prioritizing perceptual metrics over fixed settings and engineering for the edge, SciZone delivers a professional-grade optimization tool that runs entirely in your browser—guaranteeing both quality and privacy.