Tools
Free browser-based utility tools for developers, writers, and everyday productivity. No install required.
JPG to WebP Converter
↗Convert JPG to WebP for 25-35% smaller files with same quality. Perfect for web optimization.
WebP to PNG Converter
↗Convert WebP images to PNG format with transparency preserved. Browser-based, instant results.
WebP to JPG Converter
↗Convert WebP images to JPG format for universal compatibility. No server upload — processed locally.
PNG to JPG Converter
↗Convert PNG images to JPG format for smaller file sizes. Adjustable quality slider. 100% client-side.
JPG to PNG Converter
↗Convert JPG images to PNG format with full transparency support. No upload needed — runs in your browser.
Image Format Converter
↗Convert images between JPG, PNG, and WebP formats instantly. Adjust quality for optimal file size. 100% browser-based.
Image Resizer
↗Resize images to exact dimensions with aspect ratio lock. Includes presets for Instagram, Twitter, and HD. 100% browser-based.
Image Compressor
↗Compress images to reduce file size without visible quality loss. Supports JPG, PNG, WebP output. 100% browser-based — files never leave your device.
JSON Encoder Decoder
↗Encode and decode JSON strings instantly in your browser. Escape special characters for safe JSON embedding or unescape encoded JSON content.
Email Address Validator
↗Validate email addresses instantly. Checks format, domain syntax and MX record patterns. Bulk validate a list at once.
Open Graph Preview
↗Preview how your page looks when shared on Twitter, Facebook and LinkedIn. Enter a URL or paste meta tags to check your OG setup.
Robots.txt Generator
↗Generate a valid robots.txt file for your website. Control which pages search engines can crawl with a visual builder.
HTML Minifier
↗Minify HTML by removing comments, extra whitespace and optional tags. Safe compression for production websites.
CSS Minifier
↗Minify CSS code by removing whitespace, comments and redundant rules. Reduces file size for faster page loads.
Text Diff Checker
↗Compare two pieces of text side by side and see exactly what changed. Essential for reviewing document edits, code changes, or any version comparison.
Box Shadow Generator
↗Generate CSS box shadow effects visually with live preview. Copy the CSS with one click.
CSS Gradient Generator
↗Create stunning CSS gradients effortlessly. Web designers and developers use it to enhance visual appeal in their projects.
Base64 Encoder / Decoder
↗Encode text to Base64 or decode Base64 back to plain text. Supports UTF-8 and URL-safe variants.
Cron Expression Builder
↗Build, validate and understand cron expressions. Translate any cron schedule into plain English and preview the next run times.
Color Contrast Checker
↗Check the contrast ratio between two colors for WCAG accessibility compliance. Instantly see if your color combination passes AA or AAA standards.
JSON to CSV Converter
↗Convert JSON arrays to CSV format with a custom delimiter. Handles nested objects and arrays gracefully.
YAML to JSON Converter
↗Convert YAML to JSON and JSON to YAML instantly in your browser. Validates both formats and shows clear error messages.
String Escape Tool
↗Escape and unescape strings for JSON, JavaScript, HTML, CSV and SQL. Handles all special characters correctly.
HTML Entity Encoder
↗Encode special characters to HTML entities and decode HTML entities back to plain text. Essential for web developers.