Search books and generate MARC 21 records for Koha cataloging.
Users
23
store count
Rating
5.0 / 5
unchanged in 30 days
Ratings
4
total ratings
Store rank
#146K
#122K among extensions
Version
1.1
updated 29 Sep 2026
Users
monthly, 1 months
Latest, 21 Oct 2026:23 usersMove the mouse over the chart for any month
Ratings count
monthly, 1 months
Latest, 21 Oct 2026:4 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Koha MARC Helper
Streamline your library cataloguing workflow with an AI-assisted MARC 21 helper for Koha ILS.
Koha MARC Helper is a time-saving Chrome extension for librarians, cataloguers and library science students. It finds a book in library catalogues and book databases, builds a MARC 21 record, and fills your Koha 'Add record' form in one click β so you spend your time checking records, not typing them.
It supports both copy cataloguing and original cataloguing, in a workspace right inside your browser's side panel.
π KEY FEATURES
π Search trusted sources at once
Search by ISBN, title or author across national and university library catalogues and major book databases at the same time, including Indian union catalogue sources for Indian editions. Results for the same book are merged, and each result shows where its data came from.
π Full catalogue records, never guessed data
When a library catalogue holds the book, its complete record is carried over β classification, subject headings, names, contents notes, series and more. Nothing is invented: fields that a source does not supply are left for you to complete.
π Consistent, clean records
Records follow AACR2 practice, with consistent item numbers and clean subfields without ending punctuation, so your Koha data stays tidy.
π€ AI Helper (optional)
Connect an AI service of your choice, or a local model, to suggest Dewey class numbers, subject headings and general notes. Every suggestion is shown for your review before it is added.
π Built-in MARC 21 editor
Review and correct every field, indicator and subfield in the side panel. Add or delete fields, and view the record as MARC text or JSON to copy.
β‘ Direct Koha integration
Click 'Populate Koha Fields' on your Koha cataloguing page. Fields are filled in automatically β including repeated fields and subfields β and any field that could not be filled in is clearly named.
π Privacy first
No accounts, no analytics, no tracking. API keys, settings and draft records stay in your browser on your own computer.
π Built-in user guide
Click '?' in the pop-up or open Help β User guide β it works offline.
HOW TO USE
1. Install the extension and enter your institution's name in Settings.
2. Open your Koha 'Add record' page.
3. Search for a book by ISBN, title or author, and select the best match.
4. Review the record in the side panel (and, if you wish, run the AI Helper).
5. Click 'Populate Koha Fields', check the form, and save the record in Koha.
Always verify: online data and AI suggestions are a draft β check every field against the book in hand.
https://www.googleapis.com/*https://oauth.oclc.org/*https://americas.discovery.api.oclc.org/*https://api.isbndb.com/*https://gutendex.com/*https://archive.org/*https://openlibrary.org/*https://lx2.loc.gov/*https://indcat.inflibnet.ac.in/*https://isbn.gov.in/*and 13 more
Alternatives to Koha MARC Helper
Extensions that rank for the same store searches or share the Tools category, ordered by users