Category
Signal Processing & Networking
Sampling, encoding, channel capacity, networking, and data-format utilities.
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.