Little Planet Effect - Online Stereographic Photo Projection
Transform a panoramic photo into a tiny planet (stereographic projection). Drag to adjust orientation. Download.
UD5 Toolkit
Apply Bulge or Pinch distortion to your photos — fully in your browser
Transform a panoramic photo into a tiny planet (stereographic projection). Drag to adjust orientation. Download.
Zoom through the electromagnetic spectrum from radio waves to gamma rays. See wavelength, frequency, and applications. Static educational page.
Create experimental glitch noises by toggling virtual circuit bend points. No real electronics harmed. Fun noise toy.
Apply lowpass, highpass, and reverb to an audio source. See frequency response. Create your own guitar pedal. All local.
Calculate correct aperture or distance for manual flash using the guide number formula. Input any two of GN, f‑stop, or distance to find the third. Perfect for studio and event photographers.
Mix multiple ambient sounds (rain, fireplace, coffee shop) to create your perfect productive background.
Change the viewport meta tag and see how a page would render at different device widths. Understand responsive basics.
Shift the pitch of any audio clip by semitones without affecting playback speed. Perfect for music transposition. Local Web Audio.
Drag a battery, resistor, LED onto a grid and simulate current flow. Show Ohm's law in action.
Load an audio file and see its spectrogram with frequency over time. Adjust resolution and color map. Discover hidden sounds.
Connect an audio source to an Analyzer Node and display frequency and time‑domain data. Learn Web Audio visualization.
Trigger different vibration patterns on mobile devices. Test if your phone supports haptic feedback. Simple demo.
Use your microphone to detect the dominant frequency of ambient sounds. Visualize the spectrum. Local Web Audio.
Use the Magnetometer API to build a digital compass. See magnetic field strength and heading in real time.
Pomodoro timer with built‑in lo‑fi music playlist (synthetic). Focus and rest cycles. No copyright music; generated tones.
Process audio faster than real‑time with OfflineAudioContext. Apply filters and export the result. Dev tool.
Test the experimental Translation API to translate text between languages directly in the browser, without cloud calls. Check support and copy the JavaScript starter.
Play a simple monophonic synthesizer with your keyboard. Choose waveform, attack, decay, and filter. For music fun.
Read the ambient atmospheric pressure in hPa using the Pressure Sensor API (if available). Real‑time graph.
Simulate adaptive bitrate logic by switching between different quality video segments. See how ABR algorithms work.
Play a selection of local lo‑fi tracks (embedded). Simple UI with play/pause. No copyright issues. Stay focused.
Record daily systolic/diastolic readings and pulse. See a trend chart. All data saved locally in your browser.
Register a periodic background sync to fetch fresh data even when the tab is closed. Understand the API and limits.
Play a collection of retro 8‑bit synth pads and leads using your keyboard. Record sequences and export as WAV. Pure Web Audio API.
Measure your browser's GPU compute power using a simple WebGPU matrix multiplication. See raw FLOPS and compare with peers. Fully client‑side.
Find your public IP address and view approximate geolocation, ISP, and browser header details. No personal data stored. Static and instant.
Record how many eggs your hens lay each day. Visual chart shows weekly trends, helping you spot drops in production that may signal health issues.
Measure the integrated loudness of an audio file in LUFS and RMS. Check if your music meets streaming platform standards. Client‑side.
Experiment with the experimental Prompt API and Summarization API right in your browser. See how the on‑device AI model responds. Requires Chrome with AI features enabled.
Mix white noise, pink noise, rain, thunder, wind, and cafe sounds. Individual volume, save presets. Relax or focus. All client‑side.