Image Converter

Image Converter

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What's the output format?

Workflow & Usage

  1. Add images. Drag & drop or click to select multiple files (BMP, PNG, JPG/JPEG, WebP).
  2. Choose output. Pick WebP, JPEG, or PNG from the dropdown.
  3. Convert. Click Convert per file or Download all as ZIP to convert everything at once.
  4. Save. Download individual results or a single ZIP containing the whole batch.

The converter keeps original dimensions and applies sensible, high-quality encoding for JPEG/WebP.

Use Cases

  • Standardize Assets for the Web
    Convert a mixed folder (BMP/PNG/JPG/WebP) to a single format before uploading to your CMS or static site.

  • E-commerce Product Photos
    Export consistent WebP or JPEG for faster product pages while keeping PNG only where transparency is needed.

  • Social & Marketing Kits
    Produce platform-friendly formats without round-tripping through heavy desktop tools.

  • Email Newsletters
    Swap large PNGs to JPEG/WebP to stay under email size limits.

  • Client Deliverables
    Deliver one tidy ZIP of images in the requested format - no cloud sharing needed.

  • Archiving & Cleanup
    Normalize old folders into modern WebP to save space while preserving visible quality.

Tips for Best Results

  • Prefer WebP for photos. It usually yields smaller files at similar quality compared to JPEG.
  • Keep PNG for transparency & flat graphics. Logos, UI sprites, and line art often look best as PNG.
  • Mind metadata. Canvas-based conversion typically strips EXIF (including orientation). Rotate/fix before converting if needed.
  • Need resizing or stronger compression? Use the Image Compressor to set max width and tweak quality, then (optionally) convert here.
  • Stay consistent. Pick one format per page/template to avoid layout jumps and caching mismatches.

How It Works

Everything runs client-side using modern browser graphics APIs:

  • Files are decoded with createImageBitmap and re-encoded via OffscreenCanvas inside a Web Worker for speed.
  • A small worker pool converts multiple images in parallel while keeping the UI responsive.
  • If a feature isn’t available, the app falls back to a main-thread canvas path - still local, still private.
  • Batch results are bundled using JSZip so you can download a single archive.

No uploads. No tracking. Your images never leave your device.

Frequently Asked Questions

You can convert PNG, JPG, JPEG, and WebP files. Output options include WebP, JPEG, or PNG depending on your selection.

No. It converts format only and keeps the original dimensions. If you need to resize or compress, use the Image Compressor first.

JPEG and WebP outputs are encoded at a balanced high quality to preserve detail while keeping file sizes small. For finer control, compress before converting.

Canvas-based conversion removes most EXIF metadata, including camera info and orientation. Rotate or adjust in an editor if needed before conversion.

There’s no strict limit, but very large images may hit browser memory limits. Resize large files first for smoother conversion.

No. All conversions run locally in your browser using Web Workers and OffscreenCanvas. Files never leave your device.

Looking for a faster, single-purpose workflow?

Try one of our format-specific converters below

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