Free Online Tools & Utilities

Test your laptop touchpad functionality - detect taps, gestures, multi-touch, and pointer tracking in real-time.

Simulate hacking on screen with realistic code output. Type any key to display code from multiple programming languages with terminal effects.

Generate creative usernames for social media, gaming, and online accounts with multiple styles and multi-language wordlists.

Simulate realistic OS update screens fullscreen to prank friends. Supports Windows 11, Windows 10, macOS, and Ubuntu with BSOD and kernel panic effects.

Convert GPS coordinates between Decimal Degrees, DMS, DDM and UTM formats. Interactive map preview with click-to-get-coordinates feature.

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text or files. Compare hashes to verify file integrity.

Browse all world timezones with abbreviations, UTC offsets, DST status, and current local time. Filter by country, region, or offset. Export to Excel, CSV, JSON.

Calculate subnet mask, network address, broadcast address, host range, and CIDR notation for IPv4 and IPv6 networks.

Create project timelines with tasks, groups, and dependencies. Drag bars to reschedule, resize to adjust duration, and track progress visually.

Create professional side-by-side comparison tables for products, pricing plans, software, or any items with customizable cell types and visual highlighting.

Write Mermaid.js code and instantly preview flowcharts, sequence diagrams, class diagrams, and more with live rendering.

Create professional mind maps with multiple layouts, drag-and-drop editing, and real-time collaboration features.

Create interactive before and after image comparisons with a draggable slider to highlight changes and differences.

Check and change the DPI/PPI resolution of your images for print or web use. Supports metadata-only changes and full resampling.

Screen for astigmatism using a clock dial chart. Test each eye individually and get instant results with estimated axis.

Create stunning photo collages with customizable grid layouts, adjustable spacing, and one-click export.

Test your hearing with pure tones at different frequencies. Get an audiogram showing your hearing thresholds for each ear.

Test your peripheral vision by detecting dots that appear around a central fixation point. Get a visual field map and detailed results.

Calculate CSS clamp() values for responsive typography that scales smoothly between viewport breakpoints.

Magnify any area on screen by hovering your cursor. Upload images or use sample text with adjustable zoom and lens size.