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Notepad
A word-processor-style notepad — formatting shows up as you type, saved as Markdown, stored only in your browser.
Checksum Calculator
Calculate CRC32, MD5, and SHA family checksums for text or files, and compare them against an expected value.
IP Lookup
See your IP address and its country, region, and ISP the moment you open the page.
Barcode Generator
Generate barcodes in formats like Code 128, EAN-13, and UPC, and download them as SVG.
Image Compressor
Shrink image file size before uploading while keeping quality loss to a minimum.
Color Palette Extractor
Upload an image and automatically extract its dominant color palette.
Image Resize
Drag to crop exactly the area you want, or pick a ratio, then resize to the exact dimensions.
Color Contrast Checker
Calculate the contrast ratio between text and background colors and check WCAG accessibility compliance.
Image Format Converter
Convert images to PNG, JPEG, or WebP instantly.