Image Tools

Edit and enhance your images with fast browser-based tools.

Image Converter & Compressor

Convert and compress images in batches (PNG, JPG, WebP, AVIF, BMP, ICO). High-quality WASM compression.

Input

Images

+

Drag & drop an image here

or click to choose a file

Supports PNG, JPG, WebP, BMP, ICO, TIFF, GIF. Max 20 files, 50.0MB each.

Output Format

1% (smallest) 50% 100% (best)

When converting to the same format, use original if output is larger.

WebP offers excellent compression. Best balance of size and quality.

Output

Add images to convert.

TL;DR

  • Modern Formats: Convert heavy PNG/JPGs to WebP or AVIF to save 30-80% bandwidth.
  • Smart Compression: Balance “Quality” vs “File Size” with real-time feedback.
  • Privacy First: All processing happens in your browser. Your photos are never uploaded to a server.

Guide to Web Formats (2025 Edition)

Choosing the right format is the single biggest optimization you can make.

1. AVIF (The New Standard)

  • Best For: Photographs, complex images.
  • Pros: Superior compression. Often 20% smaller than WebP for the same quality. Supports HDR.
  • Cons: Encoding can be slower. Slightly less device support than WebP (though widely supported now).

2. WebP ( The Universal Workhorse)

  • Best For: General web use, replacing both PNG and JPG.
  • Pros: Excellent balance of quality and size. Supports transparency and animation.
  • Cons: larger than AVIF in some cases.

3. PNG (Portable Network Graphics)

  • Best For: Screenshots, UI elements, flat graphics, iconic text.
  • Pros: Lossless (perfect pixel fidelity). Supports alpha transparency.
  • Cons: Files can be huge for photographs. NEVER use PNG for photos unless necessary.

4. JPEG (Legacy)

  • Best For: Broadest compatibility.
  • Pros: Opens on everything including 20-year-old hardware.
  • Cons: No transparency. Blocky artifacts at low quality. Inefficient compared to modern codecs.

Lossless vs Lossy

Lossy (JPG, WebP, AVIF)

Throws away data the human eye is less likely to notice.

  • Goal: Smallest file size.
  • Trade-off: High compression can cause “banding” in gradients or “ringing” around text.
  • Use Case: Photography, hero banners, blog images.

Lossless (PNG, WebP Lossless)

Compresses file structure without changing a single pixel value.

  • Goal: Perfect replica of original.
  • Trade-off: Larger file sizes.
  • Use Case: Archival, medical imaging, technical diagrams, screenshots containing text.

SEO and Performance

Google’s Core Web Vitals metrics heavily penalize slow-loading pages.

  • LCP (Largest Contentful Paint): Large images are often the culprit for poor LCP scores.
  • Bandwidth: Serving a 3MB PNG when a 100KB WebP looks identical is a waste of user data and server costs.

Pro Tip: For the web, aim for a quality setting of 80 to 85. It is the “sweet spot” where file size drops dramatically but visual quality remains nearly distinguishable from the original.

FAQ

Will compressing make my image blurry?

It depends on the intensity. Moderate compression (quality 80%) removes invisible high-frequency noise. Aggressive compression (quality < 50%) will introduce noticeable blur and artifacts. Use the slider to find the right balance.

is AVIF supported everywhere?

As of late 2024/2025, AVIF is supported by all major browsers (Chrome, Firefox, Safari). It is safe to use for web delivery, often with a WebP fallback if you need to support very old versions.

Why is my PNG larger after converting to WebP?

This happens rarely, usually with very simple images (like a solid color square). In those specific cases, PNG’s compression algorithm might be more efficient. For 99% of complex images, WebP/AVIF will be smaller.

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