Hold a hotkey to record, release to transcribe. Instantly injected into your active application. All on your machine.
Core Features
Press and hold to record, release to transcribe. Works in any application seamlessly.
Text appears directly in your active app the moment transcription completes.
Transcription runs entirely on your machine. No data leaves your device.
Native code with optional GPU acceleration for maximum transcription speed.
Choose local or online processing. Auto-detect, CPU-only, or GPU mode.
Custom model selection, API key management, and advanced LLM transcription.
Privacy & Security
OiPer is designed from the ground up to keep your data private. Transcription runs locally, activity logs stay on-device, and online services are completely optional.
Transcription runs entirely on your machine with no external calls.
Activity logs and audio recordings never leave your device.
Online optimization requires your own API key and is fully opt-in.
Performance
30 seconds of English audio transcribed in 1.5 seconds. Written in native code for maximum efficiency.
Configuration
Download and switch between models of various sizes. Optimize for speed or accuracy.
Auto-detect, CPU-only, or GPU acceleration. Choose what works for your hardware.
Configure custom base URLs, API keys, and model names for online optimization.
Use advanced LLMs like Gemini 2.5 Flash Lite for specialized terminology and extremely accurate results.
Download OiPer Desktop and start transcribing with a single hotkey. Free, fast, and private.