Tools for Developers & IT Pros
138 toolsNetwork diagnostics, browser testing, and hardware validation tools. DNS lookup, IP analysis, system diagnostics, display calibration, and accessibility checking.
WebRTC Leak Test
Check if WebRTC is exposing your real IP address. Detect local, public, and mDNS candidates with real-time monitoring.
System Diagnostics
Check CPU, GPU, memory, battery, storage, network, and browser capabilities. Get a health score, run a benchmark, and receive personalized recommendations.
Speed Test
Measure download and upload speed, ping, jitter and latency under load (bufferbloat) in 30 seconds.
MAC Address Lookup
Identify the manufacturer of any network device by MAC address, generate random MACs for testing, and convert between all standard formats.
File Transfer
Drop a file or folder, share the 6-letter code or QR — the transfer flows directly between browsers.
Private Chat
Encrypted, no signup, peer-to-peer — share a link and chat privately.
VPN Checker
Check if your VPN is working and test for IP, DNS, and WebRTC leaks. Instant anonymity score with detailed results.
Secure USB Wipe
Overwrite files with random data before deletion — make recovery impossible. Works on USB drives, SD cards, and any folder. No software to install.
QR Code Generator
Generate customizable QR codes for URLs, text, WiFi, vCard, email, SMS, phone, WhatsApp, and locations.
QR Code Scanner
Scan a QR code from a screenshot, photo or camera. Reads Wi-Fi, links and contacts, handles several codes at once, and flags risky links.
QR file transfer
One screen streams the file as QR codes, the other device reads them with its camera.
Barcode Generator
Create barcodes in 16 formats. Download crisp SVG or PNG, or print directly.
Barcode Scanner
Scan any barcode or QR code from camera or uploaded image. Get product info, links, and more.
Random Number Generator
Generate random numbers, roll dice, flip coins, pick from lists, create passwords. Crypto-secure, instant, free.
Random Word Generator
Generate random words, letters and ideas for games, writing prompts and brainstorming. Instant and free.
USB Drive Tester
Detect fake USB drives and verify real capacity — like h2testw, but in your browser.
USB Drive Not Recognized
Identify the real cause from the symptom and get the exact commands for your system.
Failing drive rescue
Choose the ailing folder, then a safe place for the survivors.
Disk image recovery
Drop the image of the card or drive — .img, .dd, .bin, .raw.
Vibration Test
Test your device vibration motor with patterns, diagnostics, and a custom builder.
Refresh Rate Test
Measure your monitor refresh rate with precision frame timing. Detect Hz, analyze jitter, explore display capabilities, and test motion smoothness — all in your browser.
Battery Checker
Free online battery checker.
Dead Pixel Test
Check your screen for dead, stuck, and hot pixels with 21 test patterns and built-in repair tool
Phone Display Test
Check your phone screen for dead pixels, touch issues, backlight bleed, burn-in, and color accuracy.
