Tool Library
Engineering tool categories
Browse the planned Logic Gate catalog by discipline. Implemented tools open directly, while planned tools are organized here so each category can grow into its own focused landing page.
130 tools across 6 categories
Computing & Architecture
Computer science, digital systems, encoding, memory behavior, and processor timing tools.
19 tools
Electronics & PCB Design
Electronics, board layout, analog fundamentals, power systems, impedance, and thermal design calculators.
30 tools
Signals & Networks
Signal processing, sampling, encoding, channel capacity, networking, and data-format utilities.
22 tools
Software & Dev Tools
Programming, data, security, formatting, DevOps, and workflow helpers for technical teams.
31 tools
Mechanical & Civil
Mechanical design, structures, fluids, power transmission, and practical civil engineering calculators.
8 tools
Math & Physics
Linear algebra, discrete math, physics, transforms, and applied calculation references.
20 tools
Live tools
125 live tools
Big-O Runtime Estimator
Compare rough operation counts and runtimes for common complexity classes at a selected input size.
Collision Probability Calculator
Estimate birthday-bound collision probability for hashes, IDs, UUID-like spaces, and random tokens.
IEEE-754 Visualizer
Convert decimal values into 32-bit float fields.
4-Variable K-Map Solver
Simplify SOP expressions from a clickable K-map.
Hamming Code Generator/Error Corrector
Simulate ECC parity generation and single-bit correction.
CRC-32 / CRC-16 Checksum Calculator
Calculate checksums for protocol and storage payloads.
Instruction Cycle Time Calculator
Input CPI and clock speed to estimate execution time.
Cache Hit/Miss Ratio Simulator
Visualize direct-mapped and set-associative cache behavior.
Gray Code to Binary Converter
Translate Gray-code sequences into ordinary binary.
Priority Encoder Simulator
Inspect encoder outputs for competing input priorities.
7-Segment Display Hex Decoder
Show which display segments illuminate for each hex digit.
ALU Operation Simulator
Visualize add, subtract, AND, and OR at the bit level.
Barrel Shifter Visualizer
Inspect rotate and shift operations across a word.
Two's Complement Overflow Detector
Detect signed overflow conditions for binary arithmetic.
Finite State Machine Verilog Generator
Draft Verilog state-machine scaffolds from state definitions.
Wire Gauge Voltage Drop Calculator
Estimate round-trip DC voltage drop for common copper AWG sizes from load current, run length, and source voltage.
Three-Phase Power Calculator
Calculate real power, apparent power, reactive power, and phase current for a balanced three-phase load.
Power Factor Correction Calculator
Estimate capacitor kvar and capacitance needed to raise a load from an existing power factor to a target power factor.
RC Time Constant Calculator
Calculate RC time constant, common settling times, and cutoff frequency from resistance and capacitance.
RL Time Constant Calculator
Calculate RL time constant, current-rise milestones, and equivalent cutoff frequency from inductance and resistance.
RLC Damping Ratio Calculator
Calculate natural frequency, damping ratio, Q factor, and damping classification for a series RLC circuit.
Capacitive Reactance Calculator
Calculate capacitor reactance, impedance magnitude, and AC current at a selected frequency.
Inductive Reactance Calculator
Calculate inductor reactance, impedance magnitude, and AC current at a selected frequency.
Fuse / Breaker Sizing Calculator
Estimate a protective device size from continuous load current, design multiplier, and derating factor.
PCB Trace Width Calculator
Estimate external trace width from current and copper weight.
555 Timer Astable Circuit Configurator
Input R1, R2, and C to calculate frequency and duty cycle.
Voltage Divider Calculator
Find resistor values for a target output voltage.
LED Series Resistor Calculator
Size current-limiting resistors for LEDs.
Op-Amp Gain Calculator
Calculate inverting, non-inverting, and differential gain.
Passive Filter Designer
Design RC, RL, and LC low-pass or high-pass cutoffs.
Inductor Color Code Calculator
Decode inductor markings into inductance values.
Decibel to Voltage/Power Converter
Convert dB relationships into voltage and power ratios.
Wheatstone Bridge Calculator
Solve bridge balance and unknown resistance values.
Star-Delta Transformation Tool
Convert Y and delta resistor networks.
Skin Depth Calculator
Estimate conductor skin depth at high frequency.
Microstrip Impedance Calculator
Estimate controlled impedance for PCB traces.
Battery Life Calculator
Estimate runtime from capacity and average current draw.
Transformer Turns Ratio & Efficiency Calculator
Relate winding ratio, voltage, current, and losses.
Zener Diode Voltage Regulator Designer
Size simple shunt regulator components.
Series/Parallel Impedance Solver
Solve complex impedance networks.
Via Current Capacity Calculator
Estimate current handling for plated vias.
Differential Pair Impedance Tool
Size high-speed differential traces.
Buck/Boost Converter Component Finder
Choose approximate switching-regulator components.
Unit Converters
Convert mils, millimeters, copper ounces, and microns.
Thermal Resistance/Heatsink Sizing Tool
Estimate junction temperature and heatsink requirements.
Data Transfer Time Calculator
Estimate transfer duration from payload size, link speed, protocol overhead, and efficiency.
UART Baud Rate & Error Calculator
Calculate divider, achieved baud, and percent error.
Base64 to Image / Image to Base64 Tool
Convert byte payloads between images and Base64.
FFT Visualizer
Upload CSV data and inspect the frequency spectrum.
Nyquist Shannon Sampling Rate Finder
Calculate minimum sampling rates for signals.
IPv4 Subnet Mask Calculator
Convert CIDR notation into subnet masks and ranges.
IPv6 Address Compressor/Exploder
Normalize long and compressed IPv6 notation.
Sampling Quantization Error Calculator
Estimate resolution and quantization noise.
Signal-to-Noise Ratio Finder
Calculate SNR from signal and noise measurements.
Baud Rate to Bit Rate Converter
Relate symbol rate, modulation, and bit throughput.
URL Encoder/Decoder
Encode or decode URL-safe text.
JWT Debugger
Inspect JSON Web Token header and payload fields.
Cron Expression Descriptor
Explain cron schedules in plain English.
ASCII to Hex/Binary/Octal Table
Translate ASCII characters across common bases.
Manchester Encoding Visualizer
Show encoded transitions for a bit stream.
Parity Bit Generator
Create even or odd parity bits.
Windowing Function Visualizer
Compare Hamming, Hanning, and Blackman windows.
FIR Filter Coefficient Generator
Generate finite impulse response filter taps.
IIR Filter Design Tool
Draft infinite impulse response filter parameters.
Reflection Coefficient / VSWR Calculator
Relate impedance mismatch to reflected power.
Antenna Length Calculator
Estimate dipole and quarter-wave lengths by frequency.
Shannon-Hartley Channel Capacity Calculator
Estimate theoretical channel capacity from bandwidth and SNR.
Password Entropy Calculator
Estimate password entropy, search space, and brute-force time from length, character set size, and guess rate.
API Rate Limit Planner
Plan request throughput, worker count, backlog drain time, and spacing from an API rate limit.
Latency Budget Calculator
Add client, network, service, database, queue, and retry latency into a single request budget.
A/B Test Sample Size Calculator
Estimate per-variant sample size for a two-proportion A/B test from baseline rate, minimum detectable effect, confidence, and power.
Image Aspect Ratio Calculator
Resize images proportionally by calculating target width, target height, aspect ratio, and scale factor.
Hex / Binary / Decimal / Base64 Multi-Converter
Convert register values, byte payloads, and encoded data.
Regex Tester
Test expressions for C++ and embedded strings.
JSON Formatter/Validator
Format and validate JSON documents.
YAML to JSON Converter
Translate configuration files between YAML and JSON.
String Escaper/Unescaper for C Strings
Prepare text for firmware string literals.
Unix Timestamp to Human Date Converter
Convert epoch timestamps to readable dates.
Markdown Table Generator
Create clean Markdown tables from rows and columns.
Diff Checker
Compare two snippets of code or text.
Git Command Generator
Find commands for common Git recovery tasks.
SQL Query Formatter
Format SQL for review and debugging.
HTML Entity Encoder
Encode and decode HTML-safe text.
CSS Flexbox/Grid Playground
Experiment with common layout controls.
Variable Name Converter
Convert snake_case, camelCase, PascalCase, and more.
Hash Generator
Generate SHA-1 and SHA-256 digests.
UUID/GUID Generator
Create random identifiers for systems and tests.
Technical Lorem Ipsum Generator
Generate engineering-flavored placeholder copy.
Color Picker
Convert Hex, RGB, HSL, and CMYK color values.
C Struct Padding Calculator
Show how struct fields align in memory.
Endianness Swapper
Swap big-endian and little-endian byte order.
Crontab Generator
Build cron expressions from schedule controls.
Docker Run to Docker Compose Converter
Translate CLI containers into compose services.
Number to Words Converter
Spell numeric values in words.
Text to Morse Code
Encode text into Morse symbols.
Data URI Generator
Create data URIs from text or binary content.
Certificate Decoder
Inspect PEM and CRT certificate metadata.
Beam Deflection Calculator
Estimate maximum deflection and bending stress for a simply supported rectangular beam with a center point load.
Pipe Pressure Drop Calculator
Estimate Darcy-Weisbach pressure drop from flow rate, pipe diameter, length, friction factor, and fluid density.
Reynolds Number Calculator
Calculate Reynolds number and flow-regime guidance from density, velocity, characteristic length, and dynamic viscosity.
Pump Horsepower Calculator
Estimate hydraulic power and motor horsepower from flow, head, fluid density, and pump efficiency.
Bolt Torque / Preload Calculator
Estimate bolt preload from torque, nominal diameter, and nut factor, or review target torque for a desired clamp load.
Gear Ratio Calculator
Calculate gear ratio, output speed, output torque, and direction for a simple driver-driven gear pair.
Spring Rate Calculator
Estimate spring rate, deflection, stored energy, and load from force and displacement.
Cantilever Beam Stress Calculator
Estimate fixed-end bending stress and tip deflection for a rectangular cantilever beam with an end load.
Matrix Determinant & Inverse Calculator
Solve common square-matrix operations.
System of Linear Equations Solver
Use Gaussian elimination to solve equation systems.
Complex Number Calculator
Add, multiply, and convert polar or rectangular form.
Standard Deviation/Variance Calculator
Calculate spread for engineering data sets.
Prime Factorization Tool
Break integers into prime factors.
Quadratic Equation Solver
Solve real and complex quadratic roots.
Fourier Series Coefficient Calculator
Estimate coefficients for periodic functions.
Laplace Transform Table
Reference common transform pairs.
Z-Transform Table
Reference discrete-time transform pairs.
Vector Cross-Product/Dot-Product Tool
Calculate vector products and geometric meaning.
Unit Circle Visualizer
Explore sine, cosine, tangent, and angle relationships.
Logarithm Calculator
Calculate base 2, base 10, and natural logarithms.
Significant Figures Calculator
Round and report values with proper precision.
Permutation & Combination Calculator
Calculate nCr and nPr.
Resonant Frequency Calculator
Find resonance in LC and mechanical systems.
Specific Heat/Thermal Expansion Tool
Estimate heat and dimensional change.
Ohm's Law Triangle Tool
Solve voltage, current, resistance, and power.
Percentage Change/Difference Calculator
Compare measurements and tolerances.
Bitwise Operator Playground
Experiment with XOR, AND, OR, NOT, and shifts.
Radix Converter
Convert values across bases 2 through 36.