System Online

Voice
to text.
Reimagined.

A privacy-first desktop application that transforms your voice into text with unprecedented speed and accuracy. Native code. Zero compromises.

oiper --status
[ACTIVE]Recording Session

$

“OiPer Desktop delivers sub-2 second transcription for 30 seconds of audio with local processing…”

<2s
Transcription Time
100%
Local Processing
3x
Faster Than API
0
Data Sent Away
Core Capabilities

Built for performance

Instant Activation

Global hotkey works anywhere. Press, speak, release. Text appears instantly.

Native Code

Written in native code for maximum speed and minimal resource usage.

Privacy First

Everything stays on your device. No cloud dependency by default.

Model Flexibility

Support for various model sizes. Choose what works for your hardware.

Text Optimization

Optional local or online cleanup. Your choice, your API key.

Full Control

Customize hotkeys, backends, providers. Make it truly yours.

SECURITY_STATUS
Local_TranscriptionENABLED
Audio_StorageON_DEVICE
Network_AccessOPTIONAL
Data_CollectionDISABLED
Privacy Architecture

Your data never leaves your machine

Privacy isn't an optional setting — it's the default. OiPer runs entirely locally. Your voice, your transcripts, your control.

Transcription runs entirely on-device
Activity logs stored locally
Online features require your explicit API key
Benchmark Results

Speed comparison

30 seconds of English audio transcription

SolutionTime (s)Performance
OiPer Desktop★ WINNER
1.5s
Fastest + Local
Lemonfox API
3.27s
2.2x slower
Python Faster-Whisper
3.55s
2.4x slower
OpenAI Whisper 1 API
6.46s
4.3x slower
Configuration

Complete customization

SPEECH_MODELS

  • Multiple sizes
  • Easy download
  • Custom support

BACKEND_OPTIONS

  • Auto detection
  • CPU-only mode
  • GPU acceleration

ONLINE_PROVIDERS

  • Custom base URLs
  • API key config
  • Model selection

ADVANCED_FEATURES

  • LLM transcription
  • Gemini 2.5 Flash
  • Specialized models

Initialize your workflow

Download OiPer Desktop and experience the fastest, most private voice transcription available.

Also available for Linux • Free and open source
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