Modern Toolbox
Simple and fast free online tools. No signup required.
SSH Key Generator
Generate RSA, Ed25519, ECDSA SSH key pairs for secure authentication
Try it →Hash Calculator
Calculate MD5, SHA-1, SHA-256, SHA-512, SHA3, RIPEMD, Bcrypt hashes for text and files
Try it →Calculator
Average calculator, BMI calculator, GPA calculator, percentage calculator, and simple scientific calculator for everyday math
Try it →Time Tools
Alarm clock, stopwatch, countdown timer, and calendar for time management
Try it →Image Tools
Image Compressor, Image Editor, and Paint Board for editing, compressing, and creating images
Try it →JPG Converter
Convert HEIC, HEIF, AVIF, BMP, PNG, SVG, TIFF, WEBP, PSD, JFIF, ICO, AI, DNG, CR2, CR3, TGA, and PDF to JPG format
Try it →PDF Converter
Convert JPG and images to PDF. Zero white margins, preserved aspect ratio. Combine multiple images into one PDF.
Try it →Text Tools
String comparison, text case converter, and text editor for comparing texts, converting case, and writing notes
Try it →Random Tools
Password generator and random number generator for creating secure passwords and random numbers
Try it →SEO Tools
Favicon generator, meta tag generator, robots.txt generator, and sitemap generator for website optimization
Try it →Language Tools
English Alphabet, Hiragana, Katakana, Hangul charts and Hiragana-Katakana converter for language learning
Try it →Developer Tools
ASCII converter, Base64 encoder/decoder, code formatter, color picker, CSS sprites, number system converter, QR code generator and reader
Try it →Unit Converter
Convert length, weight, temperature, area, volume, speed, time, digital storage, pressure, energy, and angle units. Metric and imperial support.
Try it →