✦ Free forever · No sign-up · No tracking

Every tool.
One place.

24 free online tools for developers, designers and curious people. Instant, private, and built to just work.

Browse all tools → Browse by category

24

Free tools

0

Sign-ups needed

100%

Browser-based

∞

Uses

Browse by category

Pick a category to filter tools

⚡

All Tools

24 tools

💻

Developer

10 tools

📝

Text & Writing

5 tools

🧮

Calculators

3 tools

🎨

Image & Design

2 tools

🔒

Security

4 tools

🔍

All Tools

24 tools available

Beautify, minify and validate JSON. Error detection included.

Generate MD5, SHA-1 and SHA-256 hashes from any text.

Encode text to Base64 or decode Base64 back to plain text.

Encode or decode URL strings with percent-encoding.

Decode JWT tokens and inspect header, payload and expiration.

Test regular expressions with live match highlighting and groups.

JSON to TypeScript

Generate TypeScript interfaces from JSON objects instantly.

Convert JSON to Go structs with JSON tags automatically.

Generate Rust structs with serde annotations from JSON.

Subnet Calculator

Calculate IPv4 subnets, hosts and broadcast address from CIDR.

Count words, characters, sentences and reading time as you type.

Text

Convert text between UPPER, lower, camelCase, snake_case and more.

Text

Generate placeholder text by paragraphs, words or sentences.

Text

Markdown Preview

Live side-by-side Markdown editor and rendered preview.

Text

Compare two texts and highlight added, removed and changed words.

Text

Calculate exact age in years, months, days and next birthday countdown.

Calculate Body Mass Index in metric or imperial with WHO classifications.

Compound Interest

See how investments grow with year-by-year breakdown and monthly contributions.

Image Compressor

Compress JPG, PNG and WebP images locally. Nothing is ever uploaded.

Image

Pick colors and convert between HEX, RGB, HSL and HSB formats.

Password Generator

Generate strong, secure passwords with custom length and character rules.

Generate RFC-compliant UUID v4 identifiers. Bulk generation supported.

QR Code Generator

Convert any URL or text to a scannable QR code. Download as PNG.

Utility

🔍

No tools found. View all tools

Why Utilpex?

🔒

100% Private

Everything runs in your browser. No files or data are ever sent to any server.

⚡

Instant Results

No loading screens, no processing queues. Results appear as you type.

🆓

Always Free

No sign-up, no limits, no paywalls. Just open and use.

📱

Works Everywhere

Desktop, tablet or phone — all tools are fully responsive and mobile-friendly.