Is my data private when using the Code Tools Suite – HTML, CSS, JS, JSON Formatter & More | ToolWise?

Yes, absolutely private. All processing for the Code Tools Suite – HTML, CSS, JS, JSON Formatter & More | ToolWise happens directly in your browser using client-side technologies. No files or data are uploaded to our servers.

Code Tools Suite – HTML, CSS, JS, JSON Formatter & More | ToolWise - ToolWise

Free Online Code Tools for Developers

10 essential developer utilities all in one suite. Every tool runs entirely in your browser — no code is ever sent to a server. Fast, private, and always available.

Code Formatter

Beautify and format HTML, CSS, JavaScript, and SQL with configurable indent size, line length, semicolons, quote style, and trailing commas.

Code Minifier

Minify HTML, CSS, and JavaScript to the smallest possible size. Shows exact byte savings and percentage reduction with a visual progress bar.

JSON Tools

Beautify, minify, validate, and sort JSON keys. Convert JSON to XML. Real-time validation with detailed error messages and structural analysis.

Code Diff

Side-by-side code diff with line-level changes, added/removed counters, similarity score, ignore whitespace and case options.

Color Converter

Convert colors between HEX, RGB, RGBA, HSL, HSLA, HSV, CMYK, CSS named colors. Shows shades, tints, WCAG contrast ratios and complementary colors.

CSS Gradient

Visually build linear, radial and conic CSS gradients. Unlimited color stops, angle control, repeating mode, presets and one-click CSS copy.

Number Base Converter

Convert numbers between decimal, binary, octal, hexadecimal, base 32, 36, and 64. Bit visualization and number properties (prime, power of 2, etc.).

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512 hashes using the Web Crypto API. Includes hash verification tool to compare against an expected value.

JWT Decoder

Decode and inspect JWT tokens — view header, payload, and signature. Shows algorithm, expiry, issued-at time, subject and issuer claims.

Char Encoder

Encode and decode text in Base64, URL encoding, HTML entities, Unicode escape sequences, ASCII codes, and Morse code.

About the Code Tools Suite – HTML, CSS, JS, JSON Formatter & More | ToolWise

Welcome to our free online Code Tools Suite – HTML, CSS, JS, JSON Formatter & More | ToolWise. Free online code tools suite for developers. HTML/CSS/JS formatter & minifier, JSON beautifier, code diff checker, color converter, CSS gradient generator, number base converter, hash generator, and JWT decoder. All browser-based. We engineered this tool with a strict focus on speed, privacy, and simplicity. Whether you are a developer, designer, or casual user, this tool is designed to work flawlessly in your browser without requiring any software installation.

100% Private & Secure

Unlike other platforms, this tool operates entirely within your browser (client-side). Your files, texts, and data never leave your device. We do not store, track, or save any of your sensitive information.

Lightning Fast Performance

Because there is no backend server processing required, the Code Tools Suite – HTML, CSS, JS, JSON Formatter & More | ToolWise works instantly. Enjoy zero wait times, zero queueing, and immediate results.

Mobile Responsive

Whether you are on a desktop, tablet, or smartphone, the Code Tools Suite – HTML, CSS, JS, JSON Formatter & More | ToolWise adapts perfectly to your screen size for a seamless user experience across all devices.

No Registration Required

We believe utility tools should be accessible immediately. There are no paywalls, no signup forms, and no annoying limitations blocking your workflow.