56
Japanized for WooCommerce
The essential Japanese toolkit that might just break your entire website.
DecliningPoor rating
56/100
This plugin provides essential Japanese localization but frequent fatal errors make it risky for live stores.
Active installs
~15,000
our estimate · wp.org shows 10k+
Rating
3.3★
21 ratings
Trend · vs a year ago
-18%
Declining
79 → 64 installs/day
What to watch out for
- MAJORverified rating is 3.47★
Downloads over time
real new installs per day · release spikes shown separately from the trend2025-04-302025-08-082025-11-162026-02-232026-06-03
organicrelease spikerelease tailorganic trend · 14d rolling median
Declining · -18% in the last year
79/day a year ago→64/day today
Reviews
what people actually sayJapanized for WooCommerce is generally praised for making Japanese WooCommerce sites functional and easy to set up, but users frequently encounter breaking updates, limited support, and feature gaps.
What people like
- +Considered essential for .jp WooCommerce sites×2
- +Saves time and helps in site construction
- +Provides Japanese language support for WooCommerce
- +Enables easy Japanese-specific optimizations upon installation
Common complaints
- −Update to version 2.6.27 caused a critical site error (since 2.6.27)
- −Update to version 2.6.15 produced a PHP error on line 159 (since 2.6.15)
- −Update to version 1.2.8 resulted in a blank settings page and broken forum links (since 1.2.8)
- −Recent update caused a parse error preventing login and site access
- −PayPal checkout fails, requiring kana and postal code
- −Support forum responses are lacking
- −Missing functionality for perishable goods and holiday delivery date handling
- −Aggressive upselling of paid security package and intrusive malware scan
Review trustMostly organic
- 3.47★Verified rating — holds steady vs the raw 3.30★
- 10%One-shot reviewers — most reviewers are active community members
- past spikeReview timing — up to 50% of all reviews landed in a single month
Reviews per month · 5★ vs lower
2024-08-132025-07-092026-06-04
5★ reviews1–4★ reviews
All-time ratings · 21 total
Latest reviews · 21 analyzed
- 2025-03-03★★★★★2.6.27 『このサイトで重大なエラー』yuyu009
- 2024-07-17★★★★★Fatal error: Uncaught Error: Call to undefined function get_current_screen()3488521
- 2023-04-11★★★★★休日設定をしても配達希望日として設定できてしまうbocchimktg1-shot
- 2022-05-20★★★★★レスポンスも更新もありません → 追記：いただけましたTakahashi Ei
- 2021-03-07★★★★★良いですね。ありがとうございます。souichiroukikuchi1-shot
- 2020-12-15★★★★★Parse errorhisakato
- 2020-12-15★★★★★修正できなくて困ってます。master
- 2020-10-07★★★★★配送方法の曜日が英語wezc_0114
- 2020-07-28★★★★★Paypalチェックアウトがどうしてもエラーになるskyies618
- 2020-04-22★★★★★助かってますsse224
Releases
recent versions from WordPress.org SVNAlternatives to Japanized for WooCommerce
Top WooCommerce plugins, ranked by score.For developers & the curious
the raw signals behind the grade — none of this is on the friendly summary aboveDownload signals
Baselines are computed on organic days only — release spikes and their tails are excluded, so they're not inflated by the auto-update wave.
82
Baseline · median of last 7 organic days
64
Prior 7-day baseline
93
Floor · 25th percentile over 14 days
1,590
Mean release-day peak (30d)
80
Latest day · 2026-06-03(organic)
+28.1%
Week-over-week organic trend
Review signals
Concentration and drive-by metrics drive the review-burst and fake-review flags. 30–40% solo reviewers is normal; we only flag the extremes.
50%
Max month share · biggest single 30-day window
3.24
Distribution CV · <0.6 even, >1.5 bursty
48%
5★ share in analyzed sample
10%
Solo reviewers · only this one wp.org activity
—
Volume velocity · last 6mo vs prior 6mo
3.48 → 3.47★
Sample avg · raw → solo-filtered