Free Online Tools
Computer Tools
Fix, inspect, clean, and troubleshoot common computer files and local browser-based file workflows.
File Hash CheckerNewCalculate SHA hashes and checksums for local files.Computer ToolsOpenDuplicate File FinderNewFind exact duplicate files locally by SHA-256 hash.Computer ToolsOpenZIP InspectorNewView ZIP contents and file statistics without extracting.Computer ToolsOpenKeyboard TesterNewCheck whether keyboard keys are detected by the browser.Computer ToolsOpenDead Pixel TestNewShow solid colors to check screen pixels and tint.Computer ToolsOpenWebcam & Microphone TesterNewTest camera preview and microphone input level locally.Computer ToolsOpenDevice Specs CheckerNewCheck browser-visible specs for a computer, phone, or tablet.Computer ToolsOpenExcel XLSX Repair CleanerNewClean broken Excel defined names, links, and calcChain metadata.Computer ToolsOpen