All Tool Categories
Browse 27 categories covering 1182+ free online tools. Everything runs in your browser — no signup, no uploads.
Developer & Code
Developer Tools
JSON, Base64, hash, JWT, regex, code formatter and utilities for software developers. All run privately in your browser with instant results. Free, no signup.
Crypto & Encoding Tools
Base64, URL encode/decode, AES, hex, JWT and encoding conversions for developers and security work. All run privately in your browser. Free, no signup required.
Converter Tools
Convert between units, formats, number bases, encodings, and file types. Length, weight, temperature converters. All run in your browser. Free, no signup.
Text & Content
Text Tools
Count words, convert case, remove duplicates, sort lines and transform text for writers and developers. All run privately in your browser. Free, no signup.
Generator Tools
UUID, lorem ipsum, placeholder data, random number and custom generators for development and testing. All run privately in your browser. Free, no signup.
Design & Media
Color Tools
Color tools: HEX, RGB, HSL, CMYK conversion, color picker, palette generator, and contrast checker. All run privately in your browser. Free, no signup.
Image Tools
Resize, compress, convert, crop, rotate and edit images entirely in your browser. No upload required.
PDF Tools
Merge, split, compress, convert and manipulate PDF files locally. Your PDFs never leave your device.
QR & Barcode Tools
QR and barcode tools: generate and decode QR codes, barcodes, and other 2D codes locally in your browser. Free, private, no upload, no signup required.
Audio Tools
Audio tools: converter, volume normalizer, waveform viewer, and audio utilities. Process audio files privately in your browser. Free, no signup required.
Video Tools
Video converter, trimmer, metadata viewer and video utilities for content creators and developers. All run privately in your browser. Free, no signup.
Network & Security
Network Tools
Network tools: IP lookup, DNS query, WHOIS, SSL check, HTTP headers, and URL availability diagnostics. Free online utilities, no signup required.
Security Tools
Security tools: password generator, hash verifier, entropy checker, and other security utilities. All run privately in your browser. Free, no signup.
SEO Tools
Meta tag generator, sitemap validator, robots checker, SERP preview and SEO analysis for webmasters. All run privately in your browser. Free, no signup.
Finance & Business
Finance Tools
Currency converter, loan calculator, interest calculator and financial utilities for personal finance. All run privately in your browser. Free, no signup.
Business Tools
Invoice generator, tax calculator, ROI and business planning utilities for freelancers and small businesses. All run privately in your browser. Free, no signup.
Marketing Tools
UTM builder, email validator, keyword density and marketing utilities for digital marketers and SEO. All run privately in your browser. Free, no signup.
Health & Life
Health & Fitness Tools
Health and fitness tools: BMI, BMR, calorie, pace, and health calculators. All run privately in your browser. Free, no signup required.
Everyday Life Tools
Everyday life tools: tip calculator, unit converter, weather helper, and daily utilities. All run privately in your browser. Free, no signup required.
Education Tools
Education tools: GPA calculator, grade converter, study timer, and academic utilities. All run privately in your browser. Free, no signup required.
Productivity & Fun
Productivity Tools
Pomodoro timer, task list, note pad and workflow helpers for focus and daily time management. All run privately in your browser. Free, no signup required.
Social Media Tools
Social media tools: character counter for posts, image resizer for platforms, and hashtag generator. All run privately in your browser. Free, no signup.
AI Utilities
AI utilities: token counter, prompt template builder, JSONL formatter, and AI workflow helpers. All run privately in your browser. Free, no signup.
Random & Fun Tools
Dice roller, coin flip, random picker, trivia and entertainment tools for games and quick decisions. All run privately in your browser. Free, no signup.
File Tools
File hash, rename, format detection, metadata viewer and file utilities for developers. All run privately in your browser with instant results. Free, no signup.