ToolMars collection
Free Image Tools – Convert, Compress, Crop & Resize
Client-side image utilities for developers and bloggers. Convert, compress, crop, and prep featured images without sending files to a server.
- Batch Image ConverterConvert PNG, JPG, WebP, ICO, and SVG in bulk right in your browser. No uploads or account — download files individually or as a ZIP. Free and private.
- Image CompressorCompress JPEG, PNG, and WebP images in your browser. Adjust quality, cap width, and batch download. No uploads — free, fast, and fully private.
- Image ResizerResize images to any pixel size — 16×16 favicons, social banners, or custom dimensions. Export PNG, JPEG, WebP, or ICO. Free, batch, no uploads.
- Advanced Image CropperCrop images to exact dimensions in your browser. Batch process multiple files, set custom crop areas, and download instantly — free, private, no uploads.
- Blog Image PrepperPrep blog images at 1200×675, 800×450, and author avatar sizes. Auto-crop, WebP export, and sub-100 KB targets — free, private, in your browser.
- Image SEO SanitizerRename images into SEO-friendly filenames, generate alt text, strip EXIF metadata, and export HTML. Free, instant tool — all processing happens in your browser.
- QR Code DesignerCreate free custom QR codes with your brand colors. Paste a URL or text, preview live, and download a high-resolution PNG instantly—no signup.
- Universal QR ReaderScan QR codes from your webcam or upload an image — free, instant, no app download. Read URLs, text, and contact info right in your browser.
Looking for something else? Browse all 54 tools.