Privacy-First Voice-To-Text

SPEAK.

TRANSCRIBE.

LOCALLY.

Hold a hotkey. Speak. Release. Your words appear instantly in any application. No cloud. No data collection. No compromise.

1.5
Seconds / 30s audio
100% Local
Zero cloud dependency
GPU Accelerated
Native performance
01 / Features
001

HOLD TO RECORD

Press your global hotkey to start. Release to transcribe. Text is injected directly into your active application with zero friction.

002

LOCAL PROCESSING

Transcription runs entirely on your machine. Audio and logs never leave your device. Privacy is the default, not an option.

003

NATIVE SPEED

Written in native code with GPU acceleration. Transcribes 30 seconds of speech in 1.5 seconds. No Python. No Electron.

004

FULL CONTROL

Choose your backend (auto/CPU/GPU). Configure API keys. Select models. Local or online text cleanup. Your workflow, your rules.

02 / Performance

BENCHMARK: 30S ENGLISH AUDIO

Raw transcription speed comparison. OiPer runs natively with GPU acceleration — no Python runtime, no API latency.

OIPER DESKTOP1.5s
LEMONFOX API3.27s
PYTHON FASTER-WHISPER3.55s
OPENAI WHISPER 1 API6.46s
03 / Privacy

LOCAL BY DEFAULT

  • Transcription runs entirely on your machine
  • Activity logs and audio stay on-device
  • No data sent anywhere without your choice

ONLINE: OPTIONAL

Your API keys. Your decision.

  • Online optimization is completely opt-in
  • Uses your own API key — we have no access
  • Toggle on or off at any time
04 / Configuration
CFG.01

SPEECH MODELS

Download and select models sized for your hardware.

CFG.02

BACKEND

Auto / CPU / GPU — choose your compute path.

CFG.03

LLM ROUTING

Gemini Flash, custom models for extreme accuracy.

CFG.04

API CONFIG

Custom URLs, keys, model names. Full control.

CFG.05

TEXT CLEANUP

Local or online post-processing of transcriptions.

CFG.06

TERMINOLOGY

Fine-tune for technical and specialized content.

DOWNLOAD
OIPER DESKTOP

codex 1codex 2codex 3codex 4codex 5
codex2 1codex2 2codex2 3codex2 4codex2 5
gemini 1gemini 2gemini 3gemini 4gemini 5
glm 1glm 2glm 3glm 4glm 5
sonnet 1sonnet 2sonnet 3sonnet 4sonnet 5
kimi 1kimi 2kimi 3kimi 4kimi 5
codex53 1codex53 2codex53 3codex53 4codex53 5
opus 1opus 2opus 3opus 4opus 5
qwen 1qwen 2qwen 3qwen 4qwen 5
sonnet2 1sonnet2 2sonnet2 3sonnet2 4sonnet2 5
lovable 1lovable 2lovable 3lovable 4lovable 5
v0 1v0 2v0 3v0 4v0 5