Toolkit
Image Tools
Powerful browser-native utilities to edit, convert, and enhance images without uploading them anywhere.
Compress IMAGE
Compress JPG, PNG, SVG, and GIFs locally with WebAssembly optimizers—no uploads required.
HEIC to JPG
Convert HEIC photos from iOS devices to JPG instantly using WASM decoders plus Canvas rendering.
PNG to WEBP
Turn PNG assets into WEBP or AVIF using WebCodecs for optimal delivery without leaving the browser.
PNG to JPG
Use Canvas draw calls to flatten transparency and export lightweight JPGs for social uploads.
JPG to PNG
Preserve transparency or annotations by re-encoding JPG shots into clean PNG layers fully in-browser.
WEBP to PNG
Decode WEBP/AVIF previews and export PNG sprites for design tools without hitting any server.
HEIC to PNG
Decode HEIC photos from iOS devices to PNG instantly using WASM decoders plus Canvas rendering.
GIF to WEBP
Convert animated GIFs into WEBP loops via WebCodecs and OffscreenCanvas for dramatic size savings.
SVG to PNG
Rasterize SVG illustrations or icon sets into transparent PNG sprites through OffscreenCanvas.
Resize IMAGE
Define dimensions by percent or pixel and resize JPG, PNG, SVG, and GIF images entirely in your browser.
Crop IMAGE
Crop JPG, PNG, or GIFs with a visual editor that runs on HTML Canvas for instant previews.
Rotate IMAGE
Rotate any mix of portrait or landscape photos with GPU-accelerated transforms.
Photo editor
Apply brightness, contrast, and color tweaks plus overlays using browser-native filters.
Watermark IMAGE
Stamp images or text overlays with controllable opacity, transparency, and placement—everything processed on-device.
Key capabilities
Why teams ship with PolyImg
Opinionated defaults plus flexible building blocks for AI-first image tooling.
Browser-native processing
All tools lean on Canvas, OffscreenCanvas, and WebAssembly so edits stay on your device for instant feedback.
End-to-end format lab
Swap between HEIC, JPG, PNG, WEBP, AVIF, and SVG with the same client-side pipeline—ideal for ecommerce or social uploads.
Precise editing controls
Resize, crop, rotate, watermark, and annotate with non-destructive previews driven completely by Canvas and CSS filters.
Offline & PWA ready
Install PolyImg as a PWA to keep the editor cached, letting you work on flights or low-connectivity networks.
Common FAQs
Need quick answers?
These cover the topics teams ask most when integrating PolyImg. Still stuck? Reach out via Discord or email.
Roadmap
More tools coming soon!