KPiR
Effortless Polish bookkeeping for small businesses—track expenses, manage VAT, and generate JPK reports directly from your WordPress dashboard.
Use with caution
KPiR works, but test it on a staging site before relying on it in 2026. Is rated 5/5 and was last updated 6 months ago, and scores 43/100 on our health check.
- Small user base (<10 active installs)
- Very few reviews so far
- Only tested up to WordPress 6.8 (latest is 7.1)
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where KPiR stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| faktura | #5 |
| jpk | #2 |
| kpir | #1 |
| księgowość | #2 |
| vat | >100 |
Rating breakdown
★★★★★★★★★★ 5 from 1 reviews
About KPiR
From the official readme · v1.2.0Description
KPiR streamlines small business bookkeeping for entrepreneurs in Poland. It’s designed for simplicity, compliance, and seamless integration with your WordPress website.
Features:
- Manage small business bookkeeping tailored to Polish regulations.
- Generate JPK V7M and JPK-VAT XML reports for Polish tax compliance.
- Track expenses, assets, and VAT rates, including car-related expenses with customizable rates (20%, 75%, 100%).
- Annual and monthly financial reporting.
- Input sanitization and validation for data integrity and security.
- Localization support (Polish translation included).
- Regular updates for compatibility with the latest WordPress and Polish tax law changes.
Who Is It For?
KPiR is perfect for small business owners, freelancers, and sole proprietors in Poland who need a straightforward, WordPress-integrated solution for managing their accounting records and fulfilling local tax obligations.
Open Source & Development:
KPiR is open source and actively maintained, with contributions from the community and regular updates reflecting changes in Polish tax regulations. The plugin is available also on GitHub.
Installation
There are 3 ways to install this plugin:
1. The super easy way
- In your Admin, go to menu Plugins > Add
- Search for
KPiR - Click to install
- Activate the plugin
- A new menu
KPiRwill appear in your Admin
2. The easy way
- Download the plugin (.zip file) on the right column of this page
- In your Admin, go to menu Plugins > Add
- Select button
Upload Plugin - Upload the .zip file you just downloaded
- Activate the plugin
- A new menu
KPiRwill appear in your Admin
3. The old and reliable way (FTP)
- Upload
kpirfolder to the/wp-content/plugins/directory - Activate the plugin through the ‘Plugins’ menu in WordPress
- A new menu
KPiRwill appear in your Admin
Changelog
Project maintained on GitHub at iworks/kpir.
1.2.0 – 2026-03-24
- Added KSeF number to JPK reports.
- Added JPK V7M (3) support.
- Added simple VAT inconsistency check.
- Added ability to chose tax payer type.
1.1.4 – 2026-03-20
- Massive improvements for
cash pitfeature. - Added comprehensive DocBook (PHPDoc) comments to invoice post type class.
- Improved code documentation with proper parameter and return value documentation.
- Enhanced method descriptions for better code maintainability.
- Added @since tags and standardized documentation formatting.
1.1.3 – 2026-02-21
- Fixed issue with
add_valuewhen some part of value is empty. - The iWorks Options module has been updated to 3.0.9.
1.1.2 – 2025-06-25
- Fixed issue with
use cash pitoption.
1.1.1 – 2025-06-20
- Added
filter_add_sortable_columns,apply_filter_order_date_of_payment,get_custom_field_basic_type_namemethods to invoice post type. - Added sort by payment date.
- Added
use_cash_pitproperty andaction_init_set_options()method; constructor hook adjusted. - Code quality improvements and documentation update.
- Improved code formatting and consistency.
- Removed
quick_editfromrow_actions. - The iWorks Options module has been updated to 3.0.1.
- Updated file paths to use
__DIR__constant for better compatibility.
1.1.0 – 2025-05-08
- The iWorks Options module has been updated to 3.0.0.
- The cash method of settling income tax has been added. #1.
For developers
Is this your plugin? Show off the numbers.
Add a live badge to your site, docs or GitHub README. It updates on its own — no account needed.
Best KPiR alternatives
All faktura plugins →
FAQ
KPiR: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 4, 2026
Is KPiR free?
Yes. KPiR is free to download and use from the official WordPress.org plugin directory.
Is KPiR safe to use in 2026?
KPiR works, but test it on a staging site before relying on it in 2026. Is rated 5/5 and was last updated 6 months ago, and scores 43/100 on our health check.
How many websites use KPiR?
KPiR is active on <10 WordPress websites and has been downloaded 3,045 times since it launched in February 2018. It was downloaded 61 times in the last 30 days.
Does KPiR work with WordPress 7.1?
KPiR is officially tested up to WordPress 6.8.10, while the latest release is 7.1.2. It may still work, but try it on a staging site first.
What PHP version does KPiR need?
KPiR requires PHP 8.0 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was KPiR last updated?
The latest version, 1.2.0, was released on March 24, 2026 (6 months ago).
Who makes KPiR?
KPiR is developed and maintained by iworks (Marcin Pietrzak).
What are the best alternatives to KPiR?
The most popular alternatives to KPiR are SuperFaktura WooCommerce (2K+ installs), Nip Finder (40+ installs) and Fakturovo for WooCommerce (<10 installs).
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