---
slug: "mac-os-big-sur-google-japanese-input-full-disk-access"
title: "If Google Japanese Input Conversion is Slow on Mac Big Sur, Check Full Disk Access"
description: "Suppress the geckodriver log file in Selenium Firefox by setting `service_log_path` (or sending it to `os.devnull`)."
url: "https://www.ytyng.com/en/blog/mac-os-big-sur-google-japanese-input-full-disk-access"
publish_date: "2021-01-19T00:27:59Z"
created: "2021-01-19T00:27:59Z"
updated: "2026-05-11T13:21:34.167Z"
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---

# If Google Japanese Input Conversion is Slow on Mac Big Sur, Check Full Disk Access

<h2>Addendum</h2>
<p>The method introduced in the article below, "<span>System Preferences -> Accessibility -> Check 'Increase Contrast'" is effective.</span></p>
<p><a href="https://kiririmode.hatenablog.jp/entry/20150907/1441551600" target="_blank">Dealing with the extremely slow Japanese input issue on Yosemite on MacBook Pro - Science Student Diary</a></p>

<h2>Older Articles</h2>
<p>The following content was tested around 2020, but it was not very effective.</p>

<p>If the conversion of Google Japanese Input is slow on Mac Big Sur,</p>

<p>In Security & Privacy -> Privacy tab -> Full Disk Access,</p>
<p>Check if GoogleJapaneseInput is checked. If not, check it.</p>
<p>Restart the Mac</p>
<p>Hold down the left Shift, Option, and Control keys while starting up.</p>