Everything you need,
toformat your code.
Format JSON, compress images, generate passwords, and more. Free, lightning-fast, and 100% private.
The All-In-One Toolbox
EZTools provides a comprehensive suite of blazing-fast, client-side utilities. Whether you need to format JSON, generate secure passwords, or manipulate text, our tools process everything directly in your browser, ensuring maximum privacy and zero latency. Explore our extensive directory below to find the perfect tool for your workflow.
AI Prompt Builder
Visually construct structured LLM prompts with role blocks, variable injection, and multi-format export.
JSON Schema Generator
Paste any JSON object and instantly generate a valid JSON Schema or TypeScript interface.
Cron Expression Builder
Visually build and explain cron expressions with next execution times and plain-English descriptions.
JSON Formatter
Format, validate, and beautify JSON data instantly.
Markdown to HTML
Convert Markdown syntax into clean HTML code instantly.
JWT Decoder
Decode and inspect JSON Web Tokens securely.
UUID / GUID Generator
Generate single or bulk version 4 UUIDs instantly.
HTML Entity Encoder / Decoder
Encode special characters into HTML entities safely.
Diff Checker
Compare two blocks of text and see the differences instantly.
Image Compressor
Compress images directly in your browser without losing quality.
Image Converter
Convert images between WEBP, JPEG, and PNG formats directly in the browser.
Image Cropper
Crop images with custom aspect ratios completely offline.
Image Resizer
Resize images to custom dimensions while maintaining aspect ratios.
SVG Optimizer
Minify and optimize SVG code by removing comments, empty tags, and whitespaces.
Image EXIF Viewer
Upload any JPEG to view EXIF metadata including camera settings and GPS location.
Base64 Encoder / Decoder
Instantly encode and decode strings to Base64.
URL Encoder / Decoder
Safely encode and decode URL components and parameters.
QR Code Generator
Generate highly customizable QR codes with safe margins and error correction.
Barcode Generator
Generate standard barcodes including CODE128, EAN, UPC, and more.
chmod Calculator
Visually build Unix file permissions with toggle checkboxes and instant numeric and symbolic output.
Color Format Converter
Convert colors between HEX, RGB, and HSL formats.
Color Contrast Checker
Check WCAG contrast ratios between text and background colors.
CSS Gradient Generator
Visually build linear and radial CSS background gradients.
CSS Box Shadow Generator
Design custom CSS box shadows with an interactive visualizer.
CSS Units Converter
Convert between px, rem, em, vw, vh, dvh, pt, cm and all modern CSS units instantly.
Typography Scale Generator
Generate harmonious modular type scales with live preview and CSS, Tailwind, or SCSS output.
Why Choose EZTools?
Designed for performance, privacy, and productivity. Here is what makes our utility suite different.
100% Local Processing
Your data never leaves your device. We use modern Web APIs to process everything directly in your browser.
Lightning Fast
No server round-trips or API latency. Instant results as you type or upload files.
Free & Open
Accessible to everyone, forever. No paywalls, no hidden fees, and absolutely no annoying ads.
Frequently Asked Questions
Have questions about how EZTools works? We have got you covered.
Is my data sent to any servers?
No. Everything runs locally in your browser. We do not store, track, or analyze your data. Your privacy is 100% guaranteed.
Are the tools free to use?
Yes, EZTools is completely free to use. There are no premium tiers, subscriptions, or paywalls.
Can I use EZTools offline?
Many of our tools utilize Progressive Web App (PWA) features, allowing you to use them even when you do not have an internet connection after the first load.