Image Tools
6 toolsImage Cropper
Crop images online by dragging a selection box, with common aspect ratio presets and pixel-precise adjustment. Everything runs locally in your browser with no upload.
Image Compressor
Compress images in bulk online with an adjustable quality slider and an optional longest-edge limit, compare the before and after file sizes at a glance, and download everything as a ZIP.
Image Format Converter
Convert images to PNG, JPEG, WebP or BMP in bulk online. Everything is processed locally in your browser with no upload.
Image Base64 Encoder for Vision Models
Encode an image into a Base64 data URI, estimate GPT-4o image token usage with OpenAI's published tile formula, and check reference image limits for GPT-4V, Claude 3 and Gemini vision models. Everything runs locally in your browser.
Base64 Image Preview and Converter
Preview a Base64 string as an image, or turn an uploaded image into Base64, with image dimensions and data length shown alongside the result.
Image Color Picker
Upload, drag or paste an image and click anywhere on it to sample that pixel's color, with HEX, RGB and HSL values ready to copy.