Title: Forms in other languages | OneForm

> Offer a form in English, French and Spanish, let OneFormAI translate it, and check every line yourself.

Source: https://oneform.si/help/forms/forms-in-other-languages/

---

1. [Help Center](https://oneform.si/help/)
2. [Forms](https://oneform.si/help/forms/)
3. Forms in other languages

[View as Markdown](https://oneform.si/help/forms/forms-in-other-languages.md)

# Forms in other languages

Offer a form in English, French and Spanish, let OneFormAI translate it, and check every line yourself.

Admins and ownersUpdated October 22, 2026 · 2 min read

A form can be offered in English, French and Spanish. OneFormAI translates your questions, you check and edit any line, and clients pick their language from a menu on the form.

## Turn on languages

1. Open the form in the builder and go to the **Settings** tab.
2. Turn on **Languages**.
3. Under **Languages offered**, choose the languages clients can pick from.
4. Under **The form is written in**, choose the language you wrote the form in.
5. Leave **Pick the visitor's browser language automatically** on if the form should open in the visitor's own language when it's offered.

## Translate the form

1. Click **Translate missing with OneFormAI**. OneFormAI translates every line that isn't translated yet.
2. Choose a language with the switch above the list, for example **Español · 4** (4 lines left to check) or **Français ✓** (all done).
3. Read each line. Type in the box beside it to change a translation.
4. Switch between **To do** and **All lines** to see only what still needs work, or everything.

Lines you've edited by hand are kept when you click **Translate missing with OneFormAI** again. **Re-translate all**starts over for every line.

## Preview a language

In the **Build** tab, choose a language from the menu above the preview. While you preview another language, edit translations in the **Settings** tab; the preview's click-to-edit works only in the form's own language.

## What clients see

- A language menu in the top corner of every screen, except the thank-you screen.
- Buttons, hints and error messages in their language, as well as your translated questions.
- The form in their browser's language when it's offered, unless they've picked one before.

## Good to know

- **Changed a question?** Its translations are marked **changed since translated**. Click **Translate missing with OneFormAI** to update them. Until a changed choice is translated again, clients see the original wording for it.
- **Translating uses a few OneAI Tokens.** See [OneAI Tokens](https://oneform.si/help/billing/oneai-tokens/).
- **Link straight to a language** by adding `?lang=es` (or `fr`, `en`) to the form's link.
- **Your website embed** can open in the visitor's language or a fixed one. See [Put a form on your website](https://oneform.si/help/share/embed-a-form-on-your-website/).

## Why is part of my form still in English?

- **Some lines aren't translated yet.** Open the **Settings** tab, choose the language and look under **To do**.
- **The text changed after it was translated.** Lines marked **changed since translated** need a new translation.

## Why is "Translate missing with OneFormAI" greyed out?

OneFormAI isn't available right now. You can still type translations yourself. If your firm's OneAI Tokens are used up, clicking the button shows a message instead; see [OneAI Tokens](https://oneform.si/help/billing/oneai-tokens/).

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[← PreviousBrand your forms](https://oneform.si/help/forms/brand-your-forms/)[Next →Form settings](https://oneform.si/help/forms/form-settings/)

## Related articles

[Form settingsWhat each switch in a form's Settings tab does, from the taxpayer privacy notice and booking a call to languages, voice, hidden fields and scores.](https://oneform.si/help/forms/form-settings/)[Required answers and validationMake questions required, and see how OneForm checks emails, phone numbers, numbers, dates and other answers before a form is sent.](https://oneform.si/help/forms/required-answers-and-validation/)[Sharing and embedsShare a form linkCopy your form's link, change the end of it, and check what clients will see before you send it.](https://oneform.si/help/share/share-a-form-link/)[Sharing and embedsPut a form on your websiteChoose how your form appears on your site (in the page, a popup, a slider, a chat bubble or a button), preview it, and paste the code.Basic plan and up](https://oneform.si/help/share/embed-a-form-on-your-website/)

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