Every tool runs entirely in your browser. No files uploaded. No accounts. No tracking.
- Client-side processing — your data never leaves your device
- No signup or login required
- Built with vanilla HTML, CSS, and JavaScript
- Every page loads in under 50KB
Popular Tools
Developer Tools
JSON Formatter & Validator
Format, prettify, minify, and validate JSON instantly in your browser
Cron Expression Explainer
Translate cron expressions to plain English, build cron schedules visually, and preview next run times
Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 to text instantly in your browser.
URL Encoder & Decoder
Encode text for safe use in URLs or decode percent-encoded strings instantly in your browser.
UUID Generator
Generate random UUID v4 identifiers instantly in your browser.
Unix Timestamp Converter
Convert Unix timestamps to human dates and back with live current timestamp.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes of any text in your browser.
JWT Decoder
Decode and inspect JSON Web Tokens privately in your browser. See header, payload, and expiration.
SQL Formatter
Format and prettify SQL queries in your browser. Supports SELECT, INSERT, UPDATE, CREATE. Private, no upload, no signup.
CSV to JSON Converter
Convert CSV to JSON instantly in your browser. Auto-detects headers and delimiters. Supports TSV. Private, no upload, no signup.
JSON to TypeScript
Generate TypeScript interfaces from JSON data in your browser. Handles nested objects, arrays, optional fields. Private, no upload.
Meta Tag Generator - SEO & Social Tags
Generate HTML meta tags for SEO and social sharing. Title, description, Open Graph, Twitter Card with live preview. Free, no signup.
.gitignore Generator - Pick Your Stack
Generate .gitignore files for any tech stack. Pick languages and frameworks, get a ready-to-use .gitignore. Free, private, browser-based.
Favicon Generator
Generate favicons from an image or text. Create all sizes from 16x16 to 512x512. Download PNGs and get HTML link tags. Free, private.
Text Diff Tool
Compare two texts and see differences highlighted. Added, removed, and changed lines. Free, private, runs in your browser.
Markdown to HTML Converter
Convert Markdown to HTML with live preview. Supports headings, bold, italic, links, code blocks, tables, and lists. Free, private.
HTTP Status Codes – Quick Reference Guide
Complete HTTP status code reference. Search by code or keyword. Descriptions, common causes, and fixes for every status code. Free.
Image to Base64 Encoder
Convert images to Base64 data URIs or decode Base64 back to images. See file sizes and MIME types. Free, private, browser-based.
CSS Generator
Generate CSS for gradients, box shadows, and border radius with live preview.
Color Contrast Checker
Check WCAG color contrast ratios for accessibility. Test AA and AAA compliance for text and backgrounds. Free, private, runs in your browser.
Color Converter
Convert colors between HEX, RGB, and HSL formats instantly. Live preview, copy buttons, CSS color reference. Free, private, runs in your browser.
URL Slug Generator
Generate clean URL slugs from text. Lowercase, hyphens, transliteration, bulk mode. Free, private, runs in your browser.
Productivity
Free Trial Tracker
Track free trial subscriptions and get reminded before they charge you. No signup, works in your browser.
Password Generator
Generate strong random passwords with custom length, character sets, and strength meter.
Word & Character Counter
Count words, characters, sentences, and paragraphs instantly in your browser.
Character Counter
Count characters with and without spaces. Check limits for Twitter, Instagram, LinkedIn, and more.
Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and more.
Pomodoro Timer
Focus timer with 25/5 Pomodoro intervals. Desktop notifications, session counter, customizable durations.
Countdown Timer & Date Calculator
Count down to any date or calculate days between dates. Live countdown with share link.
Quick Checklist
Create checklists that save in your browser. No account, no cloud sync. Add, check, reorder, and clear items. Free and private.
Free Text Tools
Count words and characters, convert text case, and more. Free text tools that run in your browser.
Invoice Generator
Create professional invoices and download as PDF. No signup, no account. Fill the form, preview, and print. Free and private.
Percentage Calculator
Calculate percentages instantly. What is X% of Y, X is what % of Y, percentage change. Free, private, runs in your browser.
Lorem Ipsum Generator
Generate lorem ipsum placeholder text by paragraphs, sentences, or words. Copy-ready output. Free, private, runs in your browser.
Generators
WiFi QR Code Generator
Generate a QR code for your WiFi network so guests can connect instantly by scanning
Color Palette Generator
Generate color palettes from images or create random harmonious palettes. Get HEX, RGB, HSL values. Free, private, browser-based.
Aspect Ratio Calculator
Calculate aspect ratios, resize by ratio, and find dimensions for any screen or image. Free, private, runs in your browser.
Image Tools
Image Format Converter - Free Online Tool
Convert images between PNG, JPG, and WebP formats instantly in your browser. Free, private, no upload required.
Web Image Optimizer - Free Online Tool
Optimize images for the web with one click. Converts to WebP, strips metadata, and applies smart compression. Free and private.
Image Compressor - Free Online Tool
Compress images with precise quality control. Adjust compression, change format, and resize. Free, private, runs in your browser.
Image Resizer - Free Online Tool
Resize images by pixels or percentage with aspect ratio control. Free, private, runs in your browser.
Image Cropper - Free Online Tool
Crop images with preset aspect ratios or custom dimensions. Free, private, runs in your browser.
PNG to WebP Converter - Free Online Tool
Convert PNG images to WebP format for smaller file sizes. Free, private, runs in your browser.
JPG to WebP Converter - Free Online Tool
Convert JPG images to WebP format for better compression. Free, private, runs in your browser.
WebP to JPG Converter - Free Online Tool
Convert WebP images to JPG format for universal compatibility. Free, private, runs in your browser.
WebP to PNG Converter - Free Online Tool
Convert WebP images to PNG format for lossless quality. Free, private, runs in your browser.
JPG to PNG Converter - Free Online Tool
Convert JPG images to PNG format for lossless quality and transparency. Free, private, runs in your browser.
PNG to JPG Converter - Free Online Tool
Convert PNG images to JPG format for smaller file sizes. Free, private, runs in your browser.
HEIC to JPG Converter - Free Online Tool
Convert iPhone HEIC photos to JPG or PNG instantly in your browser. Free, private, no upload to any server.
GIF Speed Editor - Free Online Tool
Speed up or slow down GIF animations. Change playback speed with presets or custom values. Free, private, browser-based.
GIF Creator - Free Online Tool
Create animated GIFs from multiple images. Upload frames, set timing, and export. Free, private, browser-based.
Pixel Art Editor - Free Online Tool
Create pixel art with a grid-based editor. Draw, fill, pick colors, undo, zoom, and export as PNG at any scale. Free, private, browser-based.
Resize Images for Discord – Exact Sizes and Limits
Resize images to Discord's exact size requirements. Profile pictures, server icons, banners, and emoji. Free, private, browser-based.
Resize Images for Steam – Profile, Banner, Workshop
Resize images for Steam profile pictures, artwork showcases, workshop thumbnails, and banner images. Free, private, browser-based.
How to Make a Pixel Art Favicon or Icon
Create pixel art favicons and icons for websites, apps, and games. Draw on a grid, export at any scale with crisp pixels. Free, no signup.
Convert iPhone Photos from HEIC to JPG
Convert iPhone HEIC photos to JPG instantly in your browser. No app install, no upload to any server. Works on any device.
WebP vs JPG – Which Format Is Better for the Web?
Compare WebP and JPG image formats. File size, quality, browser support, and when to use each. Convert between formats free.
PNG vs WebP – When to Use Each Format
Compare PNG and WebP for transparency, quality, and file size. Learn when each format is the right choice. Convert free.
How to Reduce Image File Size Without Losing Quality
Reduce image file size with compression, format conversion, and resizing. Step-by-step guide with free browser-based tools.
Resize Images for Shopify – Product, Collection, Banner
Resize images to Shopify's recommended dimensions. Product photos, collection images, banners, and slideshow. Free, private, browser-based.
Sprite Sheet Builder
Combine images into a sprite sheet with CSS coordinates and JSON metadata. Free, private, runs in your browser.
Image Rotate & Flip - Free Online Tool
Rotate images 90, 180, 270 degrees or flip horizontally and vertically. Free, private, runs in your browser.
SVG to PNG Converter
Convert SVG files to PNG at any scale. 1x, 2x, 3x, 4x or custom size. Transparent or solid background. Free, private, browser-based.
GIF to Frames
Extract individual frames from animated GIFs as PNG images. View frame timing, select and download frames. Free, private, browser-based.