Privacy-First Voice to Text

Your voice,
naturally
transcribed.

Hold a hotkey. Speak freely. Release. OiPer turns your words into text instantly — running entirely on your machine, without ever touching the cloud.

Transcribing…

“Meeting notes for the product review — remember to follow up with the design team about the new onboarding flow…”

Processing time1.5s ✓

Everything you need,
nothing you don't.

🎙
Global Hotkey

Hold any key combo to record, release to transcribe. Works across every app, every window, every context.

Native Speed

1.5 seconds for 30 seconds of audio. Written in native code with GPU acceleration — the fastest transcription available.

🔒
Local First

Every transcription stays on your device. No cloud, no subscriptions, no privacy trade-offs. Your voice, your machine.

Text Cleanup

Optional AI-powered text optimization to polish grammar and formatting — locally or via your own API key.

🖥
Instant Injection

Text is inserted directly into your focused application. No copy-paste, no switching windows.

Full Control

Choose your model, backend, language. Configure everything or nothing — OiPer works beautifully out of the box.

Three steps to
effortless transcription

OiPer is designed to get out of your way. The workflow is as natural as speaking itself.

1
Hold

Press and hold your configured hotkey to begin recording.

2
Speak

Speak naturally. OiPer captures your audio locally in real time.

3
Release

Release the key. Transcription runs locally and text is injected instantly.

Faster than every
cloud alternative.

30 seconds of English audio — time to complete transcription

FastestOiPer Desktop
1.5s
Lemonfox API
3.27s
Python Faster-Whisper
3.55s
OpenAI Whisper API
6.46s

Your data
never leaves
your machine.

OiPer was built from the ground up with privacy as the primary constraint. No accounts, no subscriptions, no telemetry. Just you and your words.

Local Transcription

All speech-to-text processing happens on your device using local AI models. No data ever leaves.

On-Device Logs

Recordings, history, and activity logs live exclusively on your machine.

Optional Cloud

Text cleanup via cloud requires your own API key and explicit opt-in. Always your choice.

Zero Tracking

No analytics, no usage monitoring, no behavioral data. What you say stays with you.

Start speaking,
freely.

Download OiPer for free and experience voice transcription the way it should be — fast, private, and completely yours.

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