60 free online tools. Works entirely in your browser. Free and offline-ready.
9 tools
10 tools
8 tools
5 tools
Resize images by pixels or percentage. Maintain aspect ratio or set custom dimensions.
Convert images between PNG, JPEG, WebP, BMP, GIF, TIFF, and more formats in one click.
Reduce image file size while preserving visual quality. Perfect for web performance and email attachments.
Automatically remove the background from any image. Get a transparent PNG ready for product photos, avatars, and composites.
Encode text or files to Base64 and decode Base64 strings back to their original form. Supports UTF-8, binary, and data URIs.
Generate cryptographic hashes using MD5, SHA-1, SHA-256, SHA-512, and more. Hash text or files instantly in your browser.
Compare two text blocks and highlight the differences. Great for code review, document revisions, and spotting changes.
Parse any URL into its components: scheme, host, path, query parameters, fragment. Decode and edit query strings interactively.
Format, validate, and minify JSON data. Collapse and expand tree nodes, search within nested structures, and fix common syntax errors.
Count words, characters, sentences, paragraphs, and estimate reading time. View keyword density and longest words in your text.
Convert between hundreds of units across length, mass, temperature, volume, area, speed, time, pressure, energy, and data storage categories.
Calculate your Body Mass Index using weight and height. Get your BMI category, healthy weight range, and visual scale with health insights.
Boost productivity with the Pomodoro Technique. Set work and break intervals, track completed sessions, and customize timer durations.
Create QR codes from URLs, text, contacts, Wi-Fi credentials, phone numbers, or emails. Customize colors, add a logo, and download as PNG or SVG.
Convert colors between HEX, RGB, HSL, HSV, CMYK, and more formats. Pick colors from a visual palette, adjust sliders, and copy CSS-ready values.
Generate strong, cryptographically secure passwords. Customize length and character sets, generate memorable passphrases, and check password strength.