tool Tools
Discover all tools tagged with tool. Free to play — no download, no account.
View 3MF Files in Browser
View and inspect 3MF (3D Manufacturing Format) files directly in your browser. Interactive 3D viewer with rotation, zoom, environment lighting, and screenshot capabilities. No downloads required.
Free Collada Model Viewer
View and interact with 3D DAE (Collada) models online for free. Upload your DAE files, rotate, zoom, pan, and take screenshots with our browser-based 3D viewer.
Free GLB File Viewer and Inspector
View and inspect GLB 3D models online for free. Upload GLB files, rotate models, change environments, take screenshots, and explore 3D animations directly in your browser.
3D OFF File Viewer
View and interact with 3D OFF (Object File Format) models directly in your browser. Upload OFF files and explore them with interactive 3D controls, environment settings, auto-rotation, and screenshot capabilities.
Free Image Text Editor
Easily add custom text to your images online for free. Customize fonts, colors, sizes, and apply artistic styles like shadow, neon, and outline. No downloads, all in your browser.
Create Professional App Icons
Create professional app icons with rounded corners and custom backgrounds for iOS, Android, and Desktop platforms. Upload your logo, adjust settings, and generate all necessary icon sizes instantly.
Free Body Mass Index Calculator with Health Score
Calculate your BMI (Body Mass Index) and get a comprehensive health score. Supports both metric and imperial units with personalized recommendations based on gender and exercise frequency.
Color Contrast Checker
Check color contrast ratios for web accessibility compliance. Test text and background color combinations against WCAG guidelines with real-time preview, accessibility ratings, and improvement suggestions.
Color Palette Collage Maker
Create stunning visual collages by combining your images with extracted color palettes. Upload any image to automatically extract its dominant colors and create beautiful compositions with customizable layouts, styles, and aspect ratios.
Color Palette Viewer & Generator
Create, view, and manage color palettes with advanced features. Generate palettes using color theory, import from various formats, check accessibility contrast, and export to CSS, SCSS, Tailwind, JSON, or PNG formats.
Hold the iPad for a First Day Photo
First Day Sign is a board kids hold on an iPad. Type a name, tap a grade, pick Slate, Bus, Crate, or Crayon, then Show the sign. The poster fills the screen so a parent can take the photo. Edit the sign to change a line and show it again.
Calculate Body Fat Percentage & Health Score
Calculate your body fat percentage using the US Navy method with our free body fat calculator. Get detailed body composition analysis, health score, and fitness recommendations based on your measurements.
Create Beautiful Color Palettes
Create stunning color gradients and generate custom color palettes online for free. Choose start and end colors, adjust palette size, and copy CSS code or individual hex colors. Perfect for web design, graphic design, and creative projects.
Split Shopping Bills & Receipts
Easily split grocery bills and shopping receipts among friends, roommates, or family. Track individual items, calculate tax and tip, and export results to CSV or JSON.
Find Closest Pantone Matches
Convert hex colors to closest Pantone matches with our free online tool. Features accurate Delta E color matching, browse 40+ popular Pantone colors, and get instant color comparisons. Perfect for designers, printers, and color professionals.
Convert HSV Colors to Pantone Matches
Convert HSV (Hue, Saturation, Value) colors to their closest Pantone color matches instantly. Find the perfect Pantone color with our comprehensive color matching tool featuring visual comparisons and accurate color science.
View and Inspect FBX Files
View and inspect 3D FBX models online for free. Interactive 3D viewer with rotation, zoom, material customization, texture support, and multiple environment lighting options. No upload required - all processing happens in your browser.
View and Inspect 3D Models
View GLTF and GLB 3D models online for free with interactive controls, animations, lighting environments, and screenshot capture. Browser-based 3D model viewer with drag & drop support.
View OBJ Files with Materials & Textures
View and interact with 3D OBJ models directly in your browser. Supports MTL materials, textures, and provides interactive controls for rotation, zoom, and lighting.
Create Beautiful Data Visualizations
Create beautiful single or multi-series area charts from your data. Easily paste spreadsheet data, customize colors, and download high-quality PNG images.
Extract Audio from Video Files
Extract high-quality audio from video files instantly with our free online audio extractor. Convert MP4, AVI, MOV, and other video formats to WAV audio with customizable quality settings.
Cut and Trim Audio Files in Your Browser
Trim and cut audio files online for free with our secure audio trimmer. Upload MP3, WAV, OGG files and precisely trim them with visual waveform editor. No upload required - all processing happens in your browser.
Photo & Video Recorder with Filters
Capture photos and record videos directly in your browser with our free camera tool. Features include multiple filters, aspect ratios, quality settings, grid lines, and real-time preview.
Find Closest Pantone Colors
Convert CMYK colors to their closest Pantone matches using advanced color science. Browse a curated collection of popular Pantone colors with real-time color comparison and copy functionality.
Create Beautiful Color Schemes
Generate stunning color palettes online with our free color palette generator. Create harmonious color schemes using color theory principles or extract colors from images. Export to CSS, SCSS, Tailwind, JSON, PDF, and PNG formats.
Create Beautiful Color Gradients
Create stunning CSS linear and radial gradients with our easy-to-use gradient maker. Pick colors, choose directions, and copy CSS code instantly for your web projects.
Calculate Days Between Dates
Calculate days between dates, add or subtract days from any date with our free online date calculator. Supports business days calculation, multiple date formats, and instant results. Perfect for project planning, scheduling, and date arithmetic.
Calculate Your Grade Point Average
Calculate your GPA (Grade Point Average) online for free with our comprehensive GPA calculator. Track multiple semesters, weighted courses, and export your academic data. Supports AP, IB, Honors, and regular courses with automatic calculations.
Calculate Weighted Grades & GPA
Calculate your weighted grades and GPA online for free with our comprehensive grade calculator. Support for percentage, letter grades, and points with advanced features like final exam grade prediction, data export/import, and saved calculations.
Create Professional Invoices
Easily create, customize, and download professional invoices for your business. Generate invoices in PDF, Image, CSV, or JSON formats directly in your browser.
Reduce Image File Size Instantly
Compress JPG images online for free with our secure image compressor. Reduce file size while maintaining quality. Batch processing supported - all processing happens in your browser.
JSON Formatter & Validator
Format, validate, and beautify your JSON data instantly with our free online JSON Formatter. Supports indentation, minification, and syntax highlighting for easy readability and debugging.
Statistical Measures Calculator
Calculate mean, median, and mode of any dataset with our free online statistical calculator. Get detailed step-by-step calculations, frequency tables, and comprehensive statistical analysis.
Create, Edit, and Save Notes
Our free online notepad allows you to quickly create, edit, and save text notes directly in your browser. Enjoy rich text formatting, font customization, and easy note management with local storage.
Add Barcodes to PDF Documents
Add professional barcodes to PDF documents online for free. Support for multiple barcode formats including CODE128, EAN13, UPC, and more. No upload required - all processing happens in your browser.
Reduce PDF File Size Instantly
Compress PDF files online for free with our secure PDF compressor. Reduce file size up to 90% while maintaining quality. No upload required - all processing happens in your browser.
Combine Multiple PDFs Instantly
Merge multiple PDF files into one document for free with our secure PDF merger. Combine PDFs in any order directly in your browser - no uploads required.
Rearrange, Remove & Reorganize PDF Pages
Organize PDF pages online for free with our secure PDF organizer. Rearrange, remove, and reorganize pages in your PDF documents. No upload required - all processing happens in your browser.
Add Page Numbers to PDF
Add customized page numbers to PDF documents online for free. Choose from multiple formats, positions, and styling options. All processing happens in your browser for complete privacy.
Remove Unwanted Pages Instantly
Remove unwanted pages from PDF files online for free. Reorder and delete pages with visual previews. No upload required - all processing happens in your browser.
Change PDF Page Size Instantly
Resize PDF pages to any standard paper format for free with our secure PDF resizer. Transform documents to A4, Letter, Legal, and more - all processing happens in your browser.
Rotate PDF Pages Instantly
Rotate PDF pages individually or all at once with our free online PDF rotator. Fix document orientation, rotate pages 90° clockwise or counterclockwise - all processing happens securely in your browser.
Add Digital Signatures to PDFs
Add digital signatures to your PDF documents securely and easily. Support for text, image, and handwritten signatures with date stamps. All processing happens in your browser.
Split PDF into Individual Pages
Split PDF files into individual pages online for free. Extract specific pages or split entire documents with our secure PDF splitter. No upload required - all processing happens in your browser.
Add Watermarks to PDF Files
Add customizable watermarks to your PDF documents for security and branding. Control text, color, opacity, size, and rotation. All processing happens in your browser for complete privacy.
View & Inspect PLY Files in Browser
View PLY 3D models online for free with our advanced PLY viewer. Upload PLY files, add textures, auto-rotate models, and take screenshots. No software installation required - all processing happens in your browser.
Optimize PNG Images Instantly
Compress PNG images online for free with our secure PNG optimizer. Reduce file size while maintaining transparency and quality. Batch processing supported - all processing happens in your browser.
Create Custom QR Codes
Generate custom QR codes online for free. Support for various data types including URLs, text, vCards, Wi-Fi, email, SMS, and social media. Customize colors, styles, add logos, and frame text. All processing happens in your browser for privacy.
QR Code Generator & Image Overlay Tool
Generate QR codes and add them to images online for free. Create custom QR codes for URLs, text, vCard, WiFi, social media and more. Drag & drop positioning with customizable styles and frames.
View 3D Models in Your Browser
View STL 3D models online for free with our secure STL 3D model viewer. Upload and visualize your 3D models with interactive controls, lighting options, and color customization. No upload required - all processing happens in your browser.
Solve Any Triangle with SSS, SAS, ASA, AAS, SSA
Calculate triangle sides, angles, area, and perimeter using our advanced triangle calculator. Supports SSS, SAS, ASA, AAS, and SSA methods with step-by-step solutions and interactive visualization.
Calculate Weeks Between Dates
Calculate weeks between dates, add weeks to dates, or subtract weeks from dates with our free online week calculator. Supports both calendar weeks and business weeks (Monday-Friday) with multiple date formats.
View VRML Files Instantly
View WRL (VRML) 3D models online for free with our interactive 3D viewer. Upload, visualize, and interact with VRML files directly in your browser with advanced lighting and controls.
Add QR Codes to PDF Documents
Add QR codes to existing PDF documents online for free. Generate QR codes for URLs, text, vCard, WiFi, social media, and more, then embed them into your PDF files with drag-and-drop positioning.
Find Closest Pantone Matches
Convert RGB colors to their closest Pantone color matches with our advanced color matching algorithm. Browse curated Pantone colors, compare color differences, and get precise color codes for design projects.
Convert Dates to Week Numbers & Vice Versa
Calculate week numbers from dates or find dates from week numbers. Supports both North American (Sunday start) and ISO 8601 (Monday start) week numbering systems with interactive calendar view.
Convert Weeks to Months Accurately
Convert weeks to months with precise calculations using our free online calculator. Get exact conversions, fractional displays, and detailed breakdowns with remainders in weeks and days.
Free Color Extractor
Extract colors from any image online for free. Upload an image, click to pick colors, and get HEX, RGB, HSL, and CMYK values. Create and export color palettes.
Free Image Cropping & Resizing Tool
Crop and resize your images online for free with precision. Easily adjust aspect ratios, zoom, and define custom dimensions. No downloads, all in your browser.
Free Image Transformation Tool
Easily flip and rotate your images online for free. Adjust orientation with horizontal and vertical flips, and rotate images 90, 180, or 270 degrees. No downloads, all in your browser.
Interactive Color Wheel
Create stunning color harmonies with our interactive color wheel. Generate complementary, triadic, analogous and other color schemes. Export as CSS, SCSS, Tailwind, PNG, PDF or JSON.
Instantly Verify Any Year from 1 to 9999
Quickly determine if any year is a leap year with our instant leap year checker. View detailed statistics, historical timeline, and learn the fascinating rules behind leap years. Perfect for calendars, planning, and educational purposes.
Create Beautiful Picture Collages with 18+ Layouts
Create stunning photo collages with our free online collage maker. Choose from 18+ professional layouts including grid, pinterest, instagram, magazine styles, and random geometric shapes. Add borders, backgrounds, and customize your perfect collage.
Create Visual Data Representations with Icons
Create stunning pictogram charts using customizable icons and data. Perfect for infographics, presentations, and visual storytelling with professional export options.
Picture Stencil Maker
Transform your photos into printable stencils for crafts and art projects. Easily adjust threshold, blur, contrast, and brightness to create perfect black and white stencils. No downloads, all in your browser.
100+ Beautiful Gradient Combinations
Explore our curated collection of 100+ stunning color gradients. Click gradient swatches to view individual colors, copy CSS code instantly, and find perfect gradient combinations for your designs.
500+ Named Colors with HEX Codes & Color Groups
Browse our comprehensive library of 500+ popular named colors organized into 20 categories. Search colors by name or HEX code, copy values instantly, and explore color groups from basic to vintage.
200+ Professional Color Schemes & Export Tools
Browse 200+ professionally curated color palettes organized by category. Copy colors instantly, favorite palettes, export as CSS, JSON, PNG, or PDF. Perfect for designers and developers.
Create Custom Calendars with Events & Beautiful Styles
Design and export stunning printable calendars with custom events, holidays, and beautiful gradient styles. Choose monthly or yearly views, add personal events, and export as PDF, PNG, or JPEG. Perfect for planning, organizing, and personalizing your schedule.
Scan QR Codes from Camera or Image
Quickly scan QR codes using your device's camera or by uploading an image. Our online QR scanner provides instant results, allowing you to copy text or open links directly in your browser. No downloads or installations required.
Free Browser-Based Tool
A free, easy-to-use online teleprompter for speeches, presentations, and video recordings. Customize text size, speed, colors, and mirror text for professional delivery.
Generate Handwritten Text
Convert your typed text into realistic handwriting online. Choose from various handwriting styles, customize font, ink color, paper, and export as a high-quality image. Perfect for notes, letters, and creative projects.
Time Calculator
Calculate hours between two dates, add hours to a start time, or subtract hours from an end time. Features customizable time format (12/24 hour) and optional seconds display for precise time calculations.
Professional Time Conversion for Global Teams
Convert time between any two cities worldwide with our professional timezone converter. View 24-hour time tables, identify working hour overlaps, and coordinate across global teams. Search from 400+ cities with instant conversion and visual time comparisons.
Play a Grand Piano in Your Browser
Play Virtual Piano with taps or the computer keys. Letter keys play the notes, hold Space for Pedal, and shift Octave to move the range. Sampled grand-piano sound loads in your browser — no app to install.
ISO 8601 & North American Week Numbering
Calculate week numbers instantly using ISO 8601 or North American systems. Convert between dates and week numbers, view interactive calendars, and understand both week numbering systems. Perfect for project planning, scheduling, and international coordination.
Word Counter & Text Analyzer
Count words, characters, sentences, and paragraphs in your text. Get reading time and AI token estimates for various models. Analyze text instantly in your browser.
Calculate Business Days & Working Hours for Any Year
Calculate total working days and hours for any year with our comprehensive business days calculator. Customize working hours (4h, 8h, 12h per day), include US federal holidays, set custom non-working days, and view detailed monthly and quarterly breakdowns. Perfect for project planning, payroll, and resource allocation.
Current Time in 66 Major Cities Across All Time Zones
Check current time in 66 major cities worldwide with our live world clock. View real-time updates, see day/night indicators, compare time zones, and identify next-day/previous-day differences. Perfect for global teams, travelers, and international coordination.