Generate secure random tokens for authentication, API keys, passwords and more. Customize character sets and length.

Generate realistic random names for various countries and genders. Perfect for writers, developers and game designers.

Generate over 20 types of barcodes online including CODE128, EAN, UPC, CODE39 and more. Customize size, colors, text and download in PNG or SVG format.

Generate secure passwords with customizable combinations of uppercase/lowercase letters, numbers, special symbols and custom characters. Supports single and batch password generation.

Create custom QR codes with logos, colors and adjustable sizes.

Generate custom number sequences: set ranges (supports negatives), choose delimiters (preset or custom), add batch ranges, toggle random order. Copy/download results for projects—up to 500k numbers.

Generate custom solid color images in any size and format. Perfect for designers and developers needing placeholder images.

Convert your text into beautiful images with custom styling. Perfect for social media posts, quotes, and announcements.

Free online tool to crop, rotate, resize and edit images. Perfect for adjusting photos before sharing or printing.

Add rounded corners or make your images circular with this free online tool. Perfect for profile pictures, thumbnails, and social media posts.

Upscale images to higher resolution using AI-powered algorithms. Enhance image quality and increase resolution by 2x or 4x.

Create custom animated GIFs with frame-by-frame editing. Add effects, adjust speed, and preview instantly.

Online image color adjuster providing professional-level adjustment functions like brightness, contrast, saturation, exposure, hue, noise, sharpening and blurring, suitable for photo enhancement and creative editing.

Convert any image (PNG, JPG, GIF) to ICO icon format with multiple size options. Perfect for creating website favicons or application icons.

Convert images between JPG, PNG, GIF, WEBP, AVIF, and TIFF formats. Fast, client-side processing preserves your privacy.

Split images into grids (4, 9, 16 cells) or custom layouts. Perfect for creating social media posts, collages, or photo mosaics.

Remove image backgrounds with one click to generate transparent PNG images. Quickly and accurately separate the subject from the background, ideal for processing e-commerce product images and portrait photos.

Combine multiple images into a single collage with horizontal or vertical layout. Perfect for creating before/after comparisons or photo collections.

Optimize images with resizing, compression, precision cropping, and instant previews while preserving quality.

Extract colors from any pixel on your screen or uploaded images. Get instant color codes in HEX, RGB, HSL and CMYK formats with percentage analysis for image colors.

Adjustable brush colors & sizes, smooth drawing & eraser, download as PNG/JPEG. Perfect for quick sketches, doodles, and digital art!

Support for both text and image watermarks with customizable options for position, size, opacity, and rotation.

Quickly find your desired color, provides color codes in HEX, RGB, HSL, and CMYK, as well as gradients and shades.

Protect sensitive information by masking with asterisks. Works with phone numbers, IDs, emails and more.

Convert any text to the NATO phonetic alphabet (Alpha, Bravo, Charlie) for clear verbal communication in aviation, military, or customer service.

Analyze and count characters, words, lines and bytes in any text. Useful for writers, editors and developers.

A powerful WYSIWYG HTML editor based on TinyMCE. Create and edit rich content with ease.

A powerful yet lightweight Markdown editor with live preview, syntax highlighting, and export capabilities. Perfect for writing documentation, notes, or blog posts.

A comprehensive collection of special symbols, including mathematical symbols, numerical symbols, unit symbols, heart/emoticon graphics, arrow symbols, currency symbols, and more.

Compare two texts side by side, detect differences at the character level, and sync scrolling for easy review.

Convert between numeric RMB amounts and their formal Chinese written equivalents. Essential for financial documents, invoices and checks.

Convert any numeric amount to English words in multiple formats - formal check format, general format, and lowercase. Perfect for financial documents, checks, and invoices.

Quickly calculate tips for any bill amount. Split the total including tip among multiple people with ease.

A collection of essential financial calculators including compound interest, loan amortization, depreciation, and gross margin calculations.

Comprehensive bilingual financial terminology dictionary with explanations and related term recommendations.

Chinese-English accounting terms dictionary with search and export functions. Perfect for accounting professionals and students.

Scan and extract information from VAT invoice QR codes or standard barcodes (EAN-13). Automatically extracts amount, date and other details. Supports batch scanning and exportable records.

A comprehensive list of currencies used across countries and regions worldwide, including symbols, units, and exchange rates.

A simple, client-side click counter with adjustable step sizes and optional sound effects. Ideal for quick counts, surveys, or presentations requiring real-time interaction.

A precise online stopwatch with lap time recording. Track time with millisecond accuracy, record splits, and analyze your timing data.

Check current time in any city or timezone around the world with live updates. Perfect for scheduling international meetings or tracking time differences.

Convert between Unix timestamps and human-readable dates. Features real-time updates and time difference calculations.

Calculate diameter, circumference, surface area and volume of a sphere from any known parameter. Supports multiple units.

Calculate discounted prices instantly. Perfect for shopping, sales, and price comparisons.

Calculate your GPA, final exam score needed, and average grades with this comprehensive grade calculator. Perfect for students and teachers.

Calculate trigonometric functions, solve triangles and convert between degrees and radians with this easy-to-use calculator.

Calculate area, perimeter, volume and other properties of geometric shapes like triangles, circles, rectangles and more.

Solve linear, quadratic and other equations step by step. Get detailed solutions and explanations for each step.

Calculate percentages easily for discounts, taxes, growth rates, and more. Solve common percentage problems with this free online tool.

Convert between different units of length, weight, temperature, and data storage instantly. Perfect for quick calculations without complex formulas.

A powerful online calculator with basic and scientific functions. Supports history tracking and memory functions for complex calculations.

Convert between Roman numerals (I, V, X, L, C, D, M) and Arabic numbers (1, 2, 3) instantly. Supports all standard Roman numeral values from 1 to 3999.

Comprehensive Unicode conversion tool supporting various encodings including UTF-8, UTF-16, URL encoding, and special character conversions.

Convert text, images and files to Base64 encoding and vice versa. Works entirely in your browser for maximum privacy.

Convert between binary, decimal and hexadecimal numbers instantly. Perfect for programmers and computer science students.

Instantly convert table data between CSV and JSON formats in your browser. Supports custom delimiters, headers, and table formatting.

Format and validate JSON data with syntax highlighting. Beautify minified JSON or compress formatted JSON with a single click.

Generate secure random tokens for authentication, API keys, passwords and more. Customize character sets and length.

Secure your sensitive information with AES, TripleDES, Rabbit or RC4 encryption algorithms. Encrypt and decrypt text easily with a secret key.

Calculate Linux/Unix file permissions easily with our chmod calculator. Generate the correct chmod command for any permission combination instantly.

Generate customizable SVG placeholder images with specified dimensions and text. Perfect for web development and design mockups.

Convert text between different case formats like lowercase, uppercase, camel case, and more. Easily transform your text for programming or writing needs.

Get detailed information about your device, including screen size, pixel ratio, user agent, and more. Useful for developers and designers.

Test and debug regular expressions in real-time with this interactive tool. Supports JavaScript regex syntax with highlighting of matches.

Professional screen recording tool that captures everything on your screen in high definition. Record specific windows, full screen, or custom areas with audio from system and microphone.