Bilingual page translation in your browser

Most translators replace the page. Copilotly keeps the original and adds the translation under each block: headings, paragraphs, list items, quotes, captions and table cells. That format is what language learners and people reading in a second language tend to want, because you can glance down to the original when a phrase looks odd.

The three views are switches on one page, not three reloads:

• Both is the default: original with translation beneath.
• Translation hides the original text so the page reads as if it were written in your language.
• Original hides the translation without discarding it.

The target language defaults to your browser language, or to the last one you picked, and it never translates a page into the language it is already in. There are 33 target languages, from Spanish and Japanese to Hindi, Hebrew and Croatian.

It targets readable content and deliberately skips things that break when translated: code blocks, form fields and text boxes, scripts, navigation bars and footers, and anything you are editing. That keeps interface labels and code samples intact.

It works in batches of 25 blocks, with a few batches running at once, and handles up to 400 blocks on a page. A very long page may therefore be translated only as far as that cap. For an article, a documentation page or a product listing this is usually the whole body; for a book-length page it may not be. If more content loads after you start, such as a comments section that appears later, run the translation again to cover it.

Translation is done by an AI model, so it reads naturally but can still get idioms, names and technical terms wrong. For anything legal, medical or financial, treat it as a reading aid and confirm with a qualified human translator or the original source.

Translation is counted per page, not per paragraph or per batch. The first batch carries the charge, and translating the same page again in the same state does not charge you twice.

• Free: 3 full-page translations per day.
• Pro: 200 per day. See pricing: $6.99/week, $19.99/month or $149.99/year, with a 7-day free trial for first-time subscribers.

When you reach the Free limit the bar says so and offers Translate every page with Pro. Translating just a sentence or two does not use this allowance: select the text and use Translate in the selection toolbar, which offers twelve languages.

Dedicated translation extensions, Immersive Translate among them, are built around this single job. As of November 2026 we have not tested them head to head and will not claim a comparison we cannot back up, but you should expect that a specialist can offer more translation engines to choose from, per-site rules for when to translate automatically, and more control over layout. If translating web pages is the only thing you need, compare a specialist before you settle.

What Copilotly adds is that the same extension also chats with your files, summarizes videos and rewrites text in place, so you can translate a page and then ask questions about it in the sidebar chat. See the Sider alternative page for how we compare with other all-in-one sidebars.

When to use Both, and when Translation

Use Both when accuracy matters or you are learning the language: you can check a surprising phrase against the source. Use Translation when you only need the gist and the original text is noise. Flip to Original to copy a source sentence exactly, for example to paste into a search or a citation.

What to double-check

AI translation reads naturally, which makes errors harder to spot. Check numbers, dates, units, names and anything negated ('not', 'unless'). Idioms and brand names are the other usual trouble. For contracts, medical or immigration documents, use it to understand the shape of the text and then get a qualified human translator; the American Translators Association is one place to find one.

Asking questions about the page

After translating, open the sidebar with Alt+C and ask about the page, such as which fees apply or what a section means. Use the web search button when you need to check a claim on the page against other sources.

Because translation works block by block, how a page is built affects the result.

Page type	What happens	What to do
Article or blog post	Headings, paragraphs and quotes translated in order	Nothing, this is the ideal case
Documentation	Prose translated; code blocks left alone	Keep Both on so code stays beside its explanation
Product page or listing	Titles, descriptions, list items and table cells	Check sizes and units
Very long page	Stops at 400 blocks	Scroll to the later part and ask about it in chat, or split the task
Content that loads on scroll or after a click	Added content is not in the first run	Run the translation again once it appears
Web app, form or editor	Fields and text boxes are skipped	Use selection translate on specific text

Right-to-left languages such as Arabic and Hebrew are in the list; if the layout looks odd, the Translation view is usually the cleanest to read.

The translation exists only in your browser. It does not change the website and does not create translated pages that search engines can index. If you run a site and want real multilingual pages, read Google's guidance on managing multi-regional and multilingual sites. As a reader-side preview, though, bilingual view is handy for checking how a competitor's page or a foreign-language source reads.

Researchers can pair this with chat with files for documents you download, since page translation is for web pages only.

Which language it translates into

The selector at the top is labelled Translate into. It starts from your browser language or the last language you picked, and it is remembered between pages. Change it and the page translates again in the new language.

Stopping, removing and restarting

The Stop button halts a run that is in progress, which is useful if you started on the wrong page or language. The cross in the bar removes the translation and restores the page to how it was. The translation is not saved with the page, so reloading the tab clears it.

How the daily count works

One page translation counts once, however many batches it takes. The first batch carries the charge, and re-running the same page in the same state is not charged again. Selection translate for a sentence is a separate route and is counted as an ordinary message. The free plan page lists all the daily limits side by side.

Questions to ask first

• Do you translate pages every day, on many sites, automatically? A specialist such as Immersive Translate is built for that.
• Do you want to translate a page and then ask questions about it, rewrite a reply in another tone, or summarize a video, in the same sidebar? That is what Copilotly is for.
• Do you need a certified translation? Neither is a substitute for a human translator.

Trying it in a minute

Install the extension from the download page, open a foreign-language article, right-click and choose Translate this page with Copilotly. The Free allowance of 3 pages a day is enough to judge whether the output reads well for the languages you care about. For a broader comparison of all-in-one sidebars, see the Monica alternative and Sider alternative pages.