QR Code Generator
Create downloadable QR codes from text, URLs, Wi-Fi, vCards, email, SMS, and phone details with preview, copy, and export controls.
All tools
All 30 tools run locally in your browser — no uploads. Search, filter by category, or browse the full catalog.
30 tools found
Codes
Codes
Codes
JSON to TypeScript
Convert JSON objects into TypeScript interfaces automatically. Paste your JSON and get strongly-typed interfaces instantly.
Codes
UUID/GUID Generator
Generate random version 1 and 4 universally unique identifiers (UUIDs). Ideal for secure databases, robust software development, and reliable unique keys.
Codes
CSS Box Shadow Generator
Generate CSS box-shadow styles with interactive offsets, blur, spread, color, and inset controls alongside live visual previews.
Codes
HTML Formatter
Format HTML markup locally in your browser with 2- or 4-space indentation controls, clear Prettier error feedback, and instant copy.
Codes
CSS Formatter
Format and organize CSS code directly in your browser with 2- or 4-space indentation, clean syntax output, and full local privacy.
Identity
Identity
Username Generator
Generate memorable username ideas in your browser with keyword, anonymous, separator, style, quantity, copy, and duplicate-safe options.
Images
Images
Color Format Converter
Convert colors between HEX, RGB, RGBA, and HSL formats easily. A fast, local color code converter designed for modern web developers and designers.
Images
Image Compressor
Compress images locally in your browser for maximum privacy. Reduce file size and change formats to WebP, JPEG, or PNG without uploading to a server.
Images
SVG Optimizer
Optimize and compress SVG vector graphics locally using SVGO while the source stays in your browser. External SVG resources are removed from the preview.
Security
Security
Password Generator
Create configurable random passwords in your browser with clear length, character-set, reveal, copy, and strength-estimate controls.
Security
JWT Decoder
Decode and analyze JSON Web Tokens securely in your browser. Your tokens are processed locally and never sent to any servers.
Security
Hash Generator
Generate SHA-256 and SHA-512 digests locally in your browser. MD5 and SHA-1 are included only for legacy compatibility and are not collision-resistant.
Security
Bcrypt Generator & Checker
Generate and verify secure bcrypt hashes with a customizable cost factor. Great for securely hashing passwords, user authentication, and development.
Security
RSA Signing Key Generator
Generate 2048-, 3072-, or 4096-bit RSA signing key pairs locally. Keys use RSASSA-PKCS1-v1_5 with SHA-256 and are not encryption keys.
Text
Text
Text Converter
Convert rich text into HTML, Markdown, and JSON in your browser with sanitized preview, copy actions, downloads, and clear document stats.
Text
JSON Formatter
Format and validate JSON locally in your browser with 2- or 4-space indentation while keeping unsafe integers and duplicate members intact.
Text
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text securely in your browser with full UTF-8 support for safe data transfer.
Text
URL Component Encoder / Decoder
Encode or decode a URL component with the browser's standard percent-encoding APIs. This tool does not parse or normalize whole URLs.
Text
HTML Entity Converter
Escape or decode the five essential HTML text characters in your browser. This utility is not an HTML sanitizer or a context-aware XSS defense.
Text
Diff Checker
Compare two texts and find the differences easily. A fast and secure side-by-side text comparison tool running entirely in your browser.
Text
RegEx Tester
Test and debug regular expressions quickly with real-time highlighting. Our secure regex tester runs locally in your browser for privacy.
Text
Word & Character Counter
Count words, characters, sentences, paragraphs, and estimate reading time. A private text statistics tool running directly in your browser.
Text
Lorem Ipsum Generator
Generate dummy text for your layouts instantly. Create custom length paragraphs, sentences, or words with our local dummy text generator.
Text
Text Case Converter
Convert text between camelCase, snake_case, PascalCase, kebab-case, and constant cases securely in your browser with instant copy.
Text
Markdown Editor
Edit and preview Markdown in real time in your browser. Remote images are represented by non-loading replacement text in the preview.
Text
XML Formatter
Strictly validate XML syntax and format valid documents locally in your browser with configurable indentation and zero server uploads.
Text
YAML Formatter
Format YAML in your browser with 2- or 4-space indentation, syntax feedback, and local processing that keeps your content on your device.
Time
Time
Unix Timestamp Converter
Convert Unix epoch timestamps to local time and UTC, or vice versa. A fast and secure client-side timestamp conversion tool for developers.
Time
Cron Parser
Parse cron expressions into clear human-readable schedules with next execution dates, interval analysis, and client-side privacy.