All Tool Categories

Browse 27 categories covering 1119+ free online tools. Everything runs in your browser — no signup, no uploads.

💻 Developer & Code

💻

Developer Tools

JSON, Base64, hash, JWT, regex, code formatter and other utilities for software developers.

129 tools 10 subcategories

🔐

Crypto & Encoding Tools

Base64, URL encode/decode, AES, hex, JWT and encoding conversions.

30 tools

🔄

Converter Tools

Convert between units, formats, number bases, encodings and file types.

42 tools 3 subcategories

📝 Text & Content

📝

Text Tools

Count words, convert case, remove duplicates, sort lines and transform text quickly.

79 tools 5 subcategories

🎲

Generator Tools

UUID, lorem ipsum, placeholder data, random number and custom generators.

56 tools 5 subcategories

🎨 Design & Media

🎨

Color Tools

HEX, RGB, HSL, CMYK conversion, color picker, palette generator and contrast checker.

25 tools

🖼️

Image Tools

Resize, compress, convert, crop, rotate and edit images entirely in your browser. No upload required.

44 tools 5 subcategories

📄

PDF Tools

Merge, split, compress, convert and manipulate PDF files locally. Your PDFs never leave your device.

34 tools 4 subcategories

📱

QR & Barcode Tools

Generate and decode QR codes, barcodes and other 2D codes locally.

3 tools

🔊

Audio Tools

Audio converter, volume normalizer, waveform viewer and audio utilities.

5 tools

🎬

Video Tools

Video converter, trimmer, metadata viewer and video utilities.

1 tool

🌐 Network & Security

🌐

Network Tools

IP lookup, DNS query, WHOIS, SSL check, HTTP headers and URL availability diagnostics.

0 tools

🔒

Security Tools

Password generator, hash verifier, entropy checker and other security utilities.

20 tools

📈

SEO Tools

Meta tag generator, sitemap validator, robots checker, SERP preview and SEO analysis.

13 tools

🧮 Calculators & Math

🧮

Calculator Tools

Math, percentage, BMI, loan, scientific and specialty calculators for everyday use.

225 tools 8 subcategories

⏰ Date & Time

⏰

Date & Time Tools

Unix timestamp converter, timezone converter, date difference and calendar utilities.

71 tools 6 subcategories

💰 Finance & Business

💰

Finance Tools

Currency converter, loan calculator, interest calculator and financial utilities.

70 tools 6 subcategories

💼

Business Tools

Invoice generator, tax calculator, ROI and business planning utilities.

0 tools

📢

Marketing Tools

UTM builder, email validator, keyword density and marketing utilities.

4 tools

💪 Health & Life

💪

Health & Fitness Tools

BMI, BMR, calorie, pace and health-related calculators.

22 tools

🏠

Everyday Life Tools

Tip calculator, unit converter, weather helper and daily utilities.

1 tool

📚

Education Tools

GPA calculator, grade converter, study timer and academic utilities.

2 tools

⚡ Productivity & Fun

⚡

Productivity Tools

Pomodoro timer, task list, note pad and workflow helpers.

226 tools 7 subcategories

👥

Social Media Tools

Character counter for posts, image resizer for platforms, hashtag generator.

2 tools

🤖

AI Utilities

Token counter, prompt template, JSONL formatter and AI workflow helpers.

1 tool

🎉

Random & Fun Tools

Dice roller, coin flip, random picker, trivia and entertainment tools.

12 tools

📁

File Tools

File hash, rename, format detection, metadata viewer and general file utilities.

2 tools