Elysia Tools: Tools, Visualizations, and Samples in One Place

Degrees to Gradians

Convert degrees to gradians with configurable decimal precision

Math, Date & Finance

Degrees to Radians

Convert degrees to radians with configurable decimal precision

Math, Date & Finance

Gradians to Degrees

Convert gradians to degrees with configurable decimal precision

Math, Date & Finance

Radians to Degrees

Convert radians to degrees with configurable decimal precision

Math, Date & Finance

Resistor Color Code Calculator

Decode and encode 4-band, 5-band, 6-band, and SMD resistor markings

Math, Date & Finance

Convert ARW to JPEG

Convert Sony ARW RAW files to JPEG format. Automatically extracts image dimensions and metadata from the RAW file.

Images, Audio & Video

Convert ARW to PNG

Convert Sony ARW RAW files to PNG format. Automatically extracts image dimensions and metadata from the RAW file.

Images, Audio & Video

Bar to KPa

Convert bar to kilopascals with configurable decimal precision

Math, Date & Finance

Black Hole Accretion Disk

Interactive relativistic black hole accretion disk visualization with Doppler beaming, gravitational redshift, and thin-disk temperature profile T(r) ∝ r⁻³ᐟ⁴

Chladni Cymatics Plate

Interactive 2D Chladni plate vibration patterns — sand particles accumulate on nodal lines of plate eigenmodes, revealing beautiful geometric patterns governed by the Helmholtz equation

STDP Synapse

Interactive Spike-Timing-Dependent Plasticity (STDP) visualization — explore how precise spike timing shapes synaptic weights, the neural basis of learning and memory

Kelvin-Helmholtz Shear Layer

Real-time 2D shear-layer instability simulation via the vorticity-streamfunction method, showing perturbation growth, vortex rollup, and pairing dynamics

Meissner Effect Levitation

Interactive visualization of the Meissner effect: superconductor magnetic levitation, flux expulsion, shielding currents, and flux pinning in type-II superconductors

Basilar Membrane Traveling Wave

Interactive visualization of cochlear traveling waves: explore frequency-position mapping on the basilar membrane, tonotopic organization, and the active amplification mechanism

Gravitational Wave Detector

Interactive visualization of a laser interferometer gravitational wave detector: watch how spacetime ripples from merging black holes stretch and squeeze the detector arms, producing an interference signal

Bragg's Law Crystal Diffraction

Interactive visualization of Bragg's Law: X-ray diffraction by crystal lattices, demonstrating constructive interference when 2d sinθ = nλ across cubic crystal systems

Camera RAW Photo File Samples

Downloadable sample files covering Sony ARW, Canon CR2, Adobe DNG, Nikon NEF, and a generic RAW binary file for testing camera RAW upload workflows.

5 samples

Copyright-Free Raw PCM Audio Samples

Raw PCM s16le audio samples featuring nature ambience and relaxing music for waveform, playback, and conversion workflows

3 samples

Copyright-Free DTS Audio Samples

DTS encoded audio samples featuring nature ambience and relaxing music for playback, conversion, and listening workflows

3 samples

AMR Narrowband Audio Sample

AMR-NB voice audio sample for telephony playback, upload, and format conversion workflows

1 samples

GSM Audio Sample

GSM encoded audio sample for telephony playback, upload, and format conversion workflows

1 samples

Length Unit Samples

Practical length unit references you can copy when you want to compare common units directly with meters (m)

4 samples

Time Zone Workflow Scheduler ICS Samples

ICS files generated in the same structure returned by the Time Zone Workflow Scheduler, with multiple VEVENT meeting candidates exported from overlap windows

3 samples

Terraform Plan JSON Samples

Sample Terraform plan JSON files exported from terraform show -json style payloads for dependency visualization and change review

3 samples