Free online tools for real work
Quick Tool Master
All your useful tools in one place.
PDF, image, printer, calculator, developer, AI, template, game, science, and spreadsheet tools — all visible and easy to access.
QUICK TOOL MASTER
Open category →PDF Tools
All PDF tools in one place.
file-toolsPDF to JPGTurn PDF pages into JPG images with browser-first processing.
file-toolsPDF MergerMerge multiple PDF files into one downloadable PDF directly in your browser.
file-toolsPDF SplitterExtract selected pages from a PDF into a new downloadable PDF directly in your browser.
file-toolsPDF CompressorReduce PDF file size with browser-based image compression and downloadable output.
file-toolsPDF Page RotatorRotate all or selected PDF pages by 90, 180, or 270 degrees in your browser.
file-toolsPDF Page OrganizerReorder PDF pages into a custom sequence directly in your browser.
file-toolsPDF WatermarkAdd a customizable text watermark to all or selected PDF pages directly in your browser.
file-toolsPDF Page NumberingAdd sequential page numbers to every PDF page with position and size controls.
file-toolsPDF Crop / TrimCrop PDF page edges with custom margins directly in your browser.
file-toolsPDF Metadata EditorEdit PDF title, author, subject, keywords, and creator metadata in your browser.
file-toolsPDF Text ExtractorExtract selectable text from PDF pages and download it as a TXT file in your browser.
file-toolsPDF Images ExtractorExtract embedded images from PDF pages and download them as PNG files in your browser.
file-toolsPDF to PNGConvert PDF pages into high-quality PNG images directly in your browser.
file-toolsPDF SignatureAdd a visible signature-style text mark to selected PDF pages directly in your browser.
file-toolsPDF OCRRecognize text from scanned or image-based PDF pages directly in your browser.
file-toolsPDF UnlockRemove PDF encryption using a password you already know, directly in your browser.
file-toolsPDF ProtectEncrypt a PDF with a password using 256-bit encryption directly in your browser.
file-toolsPDF Header & FooterAdd customizable headers and footers with automatic page numbers to PDF pages in your browser.
file-toolsPDF Thumbnail OrganizerPreview PDF pages as thumbnails and reorder or remove pages visually in your browser.
file-toolsPDF Form FlattenFlatten interactive PDF form fields into the document so the fields are no longer editable.
file-toolsPDF RedactionPermanently cover matching sensitive text in PDF pages and rebuild the document for safer sharing.QUICK TOOL MASTER
Open category →Image Tools
Compress, resize, convert, and work with images.
file-toolsImage CompressorReduce image file size while keeping quality useful for web and sharing.
file-toolsImage ResizerResize images to exact dimensions directly in your browser.
file-toolsJPG PNG WebP ConverterConvert common image formats locally without uploading your files.
file-toolsText to PDFConvert plain text into a clean downloadable PDF directly in your browser.
file-toolsImages to PDFCombine multiple JPG, PNG, and WebP images into a downloadable PDF in your browser.QUICK TOOL MASTER
Open category →Calculators
Fast everyday calculations and conversions.
calculatorsPercentage CalculatorCalculate percentages, changes, discounts, and proportions instantly.
calculatorsAge CalculatorCalculate age precisely from a date of birth and a target date.
calculatorsUnit ConverterConvert common length, weight, temperature, and volume units.
calculatorsNumber Base ConverterConvert decimal numbers to hexadecimal.QUICK TOOL MASTER
Open category →Developer Tools
Useful tools for developers and data.
developerJSON Formatter & ValidatorFormat, validate, and inspect JSON quickly with readable output.
developerBase64 Encode DecodeEncode or decode Base64 text quickly in your browser.
developerWord CounterCount words and characters instantly.
developerCharacter CounterCount characters including spaces and line breaks.
developerCase ConverterConvert text to upper, lower, title, or camel case.
developerRemove Duplicate LinesRemove repeated lines from text while preserving order.
developerSlug GeneratorCreate clean URL slugs from titles and text.
developerURL EncoderEncode text safely for use in URLs and query parameters.
developerURL DecoderDecode percent-encoded URLs and query parameters.
developerUUID GeneratorGenerate cryptographically random UUID v4 identifiers.
developerHash GeneratorGenerate a SHA-256 hash from text using Web Crypto.
developerTimestamp ConverterConvert dates to Unix timestamps and timestamps to ISO dates.
developerRegex TesterTest a regular expression against text and inspect matches.
developerColor ConverterConvert HEX colors to RGB values.QUICK TOOL MASTER
Open category →Generators
Generate useful content and codes.
QUICK TOOL MASTER
Open category →AI Tools
AI-assisted tools for practical work.
ai-toolsAI Prompt BuilderBuild structured prompts for writing, coding, study, and creative AI tasks.
ai-toolsAI Prompt ImproverTurn a rough idea into a clearer, more structured AI prompt.
ai-toolsAI Prompt LibraryBrowse ready-to-copy prompts for common AI workflows.
ai-toolsAI Image EnhancerAdvanced image enhancement with upscale, deblur, noise reduction, HDR, and detail recovery controls.QUICK TOOL MASTER
Open category →Templates
Ready-to-use templates for everyday work.
QUICK TOOL MASTER
Open category →Science
Simple science questions and learning tools.
QUICK TOOL MASTER
Open category →Excel & CSV Tools
Open and inspect spreadsheet files.
QUICK TOOL MASTER
Open category →Printer Tools
Create print-ready documents and previews.
QUICK TOOL MASTER
Open category →Computer
Learn Linux, basic computer skills, Office, hardware, and networking.
computerLinuxComplete Linux learning course covering installation, terminal commands, administration, networking, security, and troubleshooting.
computerLinux CommandsDetailed searchable Linux command reference with syntax, examples, administration, networking, Bash, security and troubleshooting.
computerWindows Shortcut KeysWindows 10 and 11 keyboard shortcuts for desktop, Explorer, screenshots, multitasking and system actions.
computerWindowsComplete Windows learning path covering setup, files, settings, accounts, updates, recovery and troubleshooting.
computerBasic ComputerBeginner computer fundamentals covering hardware, desktop skills, internet basics and daily workflows.
computerMS OfficePractical Microsoft Office learning covering Word, Excel, PowerPoint and productivity workflows.
computerComputer HardwareLearn PC components, ports, upgrades, compatibility, diagnostics and maintenance.
computerComputer NetworkLearn networking fundamentals, devices, protocols, IP, DNS, routing and troubleshooting.
computerCMD CommandsWindows Command Prompt commands for files, system administration, networking and batch automation.
computerPowerShell CommandsPowerShell reference for Windows administration, objects, pipelines, scripting and automation.
computerComputer TroubleshootingMethodical troubleshooting for hardware, Windows, applications, storage, performance and networks.
computerComputer SecurityDefensive computer security covering accounts, updates, malware awareness, safe browsing and recovery.
computerData Backup & RecoveryLearn backup types, Windows recovery, data restoration and practical backup strategy.
computerCloud & Internet BasicsLearn internet, browsers, URLs, DNS, HTTPS, cloud storage, sync and online safety.
computerFile ManagementMaster folders, naming, search, compression, metadata, organization and safe cleanup.
computerKeyboard & TypingLearn keyboard layouts, touch typing, symbols, shortcuts, accessibility and remapping concepts.
computerPrinter & ScannerPrinter and scanner setup, drivers, queues, print settings, scanning and troubleshooting.
computerComputer MaintenanceComputer cleaning, updates, storage checks, backups, temperatures and routine maintenance.
computerProgramming BasicsProgramming fundamentals including variables, control flow, data, debugging, testing and projects.
computerGit & GitHubGit and GitHub from repositories and commits to branches, merges, remotes and collaboration.
computerDocker & ContainersDocker fundamentals covering images, containers, volumes, networks, Dockerfiles and Compose.
computerVirtual MachinesVirtual machine fundamentals covering hypervisors, setup, networking, snapshots and lab operations.