TOOLS • SIMULATION • INTERACTIVE LABS
Explore technology directly in your browser.
Use practical tools, build network simulations, explore telecommunications and fiber optics, and examine digital evidence through Toolora interactive labs.
Many tools and simulations run directly in your browser.
Most frequently used
Popular tools
Image Processing Tools
2D Fourier Transform Viewer
Visualize 2D FFT magnitude, log magnitude, and phase spectra for education.
Document Tools
Split PDF
Use Split PDF online for practical document tools tasks. Fast, free, and runs directly in your browser.
Academic Tools
Slovin Sample Calculator
Use Slovin Sample Calculator online for practical academic tools tasks. Fast, free, and runs directly in your browser.
Electrical & Electronics Tools
Wire Voltage Drop Calculator
Calculate cable resistance, voltage drop, power loss, and status for copper or aluminum.
Generators
Spin Wheel
Use Spin Wheel online for practical generators tasks. Fast, free, and runs directly in your browser.
Image Processing Tools
Grayscale Converter
Convert images to grayscale using Average, Rec.601, Rec.709, desaturation, a single channel, or custom weights.
Image Processing Tools
Median Filter
Reduce impulse noise using a neighborhood median per channel or in grayscale.
Top picks
Featured tools
Document Tools
Merge PDF
Use Merge PDF online for practical document tools tasks. Fast, free, and runs directly in your browser.
Electrical & Electronics Tools
Resistor Color Code Calculator
Convert 3, 4, 5, and 6-band resistor colors to values and back.
Networking
IPv4 Subnet Calculator
Use IPv4 Subnet Calculator online for practical networking tasks. Fast, free, and runs directly in your browser.
Generators
QR Code Generator
Use QR Code Generator online for practical generators tasks. Fast, free, and runs directly in your browser.
Document Tools
Image to PDF
Use Image to PDF online for practical document tools tasks. Fast, free, and runs directly in your browser.
Document Tools
Split PDF
Use Split PDF online for practical document tools tasks. Fast, free, and runs directly in your browser.
Document Tools
Compress PDF
Use Compress PDF online for practical document tools tasks. Fast, free, and runs directly in your browser.
Document Tools
Image Merge
Gabungkan beberapa gambar menjadi satu gambar panjang secara vertikal atau horizontal.
Explore
Tool categories
Networking
Practical calculators and utilities for networking, connectivity, and telecommunications.
Color Tools
Online tools for color conversion, palettes, gradients, accessibility, image color extraction, and web design.
Newly added
New & Updated Tools
Document Tools
Merge PDF
Use Merge PDF online for practical document tools tasks. Fast, free, and runs directly in your browser.
Networking
Packet per Second Calculator
Use Packet per Second Calculator online for practical networking tasks. Fast, free, and runs directly in your browser.
Networking
TCP Window Size Calculator
Use TCP Window Size Calculator online for practical networking tasks. Fast, free, and runs directly in your browser.
Image Processing Tools
Median Filter
Reduce impulse noise using a neighborhood median per channel or in grayscale.
Toolora Labs
Experiment deeper in Toolora Labs
Build, test, and understand technology through browser-based interactive laboratories.
- Network Lab
- Telecom Lab
- Fiber Lab
- Digital Forensics
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