20 free browser tools in 5 categories. Pick a category below or browse the full catalog.
Convert between image formats, compress file size, resize to exact pixels, or crop with precision — all without uploading your photos to a server.
Convert WebP images to PNG format in your browser.
Convert JPEG images to PNG with local processing.
Shrink JPG and PNG file size without leaving the browser.
Convert PNG images to JPEG with adjustable quality.
Resize images to exact pixel width and height locally.
Crop images with precise pixel coordinates and PNG export.
Everyday utilities for developers: format and validate JSON, encode or decode Base64 and URLs, generate RFC 4122 UUIDs, and convert JSON to CSV.
Beautify or minify JSON with instant validation.
Encode and decode Base64 text in one place.
Create random UUID v4 values in batches.
Percent-encode strings with encodeURIComponent.
Decode percent-encoded strings safely in the browser.
Convert JSON arrays of objects to downloadable CSV.
Turn Markdown into a polished PDF, extract pages from a PDF as JPEG images, or combine multiple JPG files into a single A4 PDF — all client-side.
Transform text case (UPPER, lower, Title, camelCase, snake_case), count words and reading time, or remove unwanted line breaks from copied text.
Create QR codes for any URL and download them as PNG, or generate strong random passwords using the browser's cryptographic random number generator.