Local-first text editor

OnecaratEditor

by Onecarat Labs

A local-first text editor for writing, chatting, and speech-to-text on your own PC.

For people who need AI for writing, but cannot send their work to online services.
Now with official Whisper support for local speech-to-text.

Text editor Local AI GGUF models No cloud by default

Download v0.9.1 on GitHub View on GitHub

Portable ZIP for Windows. Downloaded from GitHub Releases.
GGUF models are not included. Whisper-related files must be prepared separately by the user.

v0.9.1 Current version

ZIP No installer required

GGUF Bring your own model

Download

Latest portable build is distributed through GitHub Releases.

Current release

Version

0.9.1

Platform

Windows

Package

Portable ZIP

Source

GitHub Releases

Updated

2026-03-21

Built by

Onecarat Labs

Code signing

Planned

Download v0.9.1 on GitHub

Release notes View on GitHub

GGUF models are not included.
Whisper-related files are not bundled and must be prepared separately by the user.
New apps may trigger a Windows SmartScreen warning.

What's new in v0.9.1

Official release of Whisper support
Experimental Markdown Preview
Continued local-first Windows portable workflow

Quick Start

The editor works right after extraction.

For local AI chat, add a GGUF model separately.
For speech-to-text, prepare Whisper-related files separately.

Download the ZIP from GitHub Releases.
Extract all files.
Run OnecaratEditor.exe.
Download a GGUF model separately if you want local AI chat.
Prepare Whisper-related files separately if you want speech-to-text.
Configure your model path in the app.
Select a model and start the local server.

Start in 3 steps

Download

Get the latest portable build from GitHub Releases.

Add your local files

Bring your own GGUF model for chat.
Prepare Whisper-related files separately for speech-to-text.

Start and write

Launch OnecaratEditor and work locally on your own PC.

Need more detail? See the Quick Start guide.

Editor + Chat + Speech

Write, chat, and use local speech-to-text side by side on your own PC.

Editor + Chat

Write and chat with AI side by side. Everything runs locally on your PC.

Writing space

A focused editor for everyday writing. AI is there when you need it.

Bring your own model

Use GGUF models directly on your PC. Switch models and control the local server.

Who it's for

For people who need AI for writing, but cannot send their text to online services.

Sensitive documents For drafts, notes, and work text that should stay on your own machine

Cloud-restricted work For situations where online AI services are difficult to use

Local-first writing For people who want writing help and AI support in a local workflow

Private AI workflow For users who want AI assistance without default cloud dependency

Self-managed models For people who want to choose and manage their own GGUF models

Common questions

Answers to what most people ask before downloading.

Are models included?

No. GGUF models are not included in the download.

Is Whisper included?

No. Whisper-related files are not bundled and must be prepared separately by the user.

Does it require installation?

No installer is required. The current release is provided as a portable ZIP for Windows.

Does OnecaratEditor send my data to the cloud?

No. OnecaratEditor is designed for local-first use. Your text and AI workflow stay on your own PC unless you choose otherwise.

Is Markdown Preview stable?

Markdown Preview is currently included as an experimental feature and may change in future updates.