CastReader

TRANSLATE & LISTEN · PRACTICAL GUIDE

How to translate a WEBTOON episode and listen as it scrolls

An episode can look like one long drawing while the reader loads it as a series of images. In Bluechair, the next conversation can start on a new image without a visible page turn.

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See Japanese and Korean comics translated into English →

Choose which language you want to hear

  1. Open the episode in the edition you read. This example has English lettering. Scroll past the series banner to the first dialogue.
  2. In the desktop preview, choose Read image with CastReader for the English words. For a different language, translate the image first, then choose Read translation.
  3. Let the final highlighted line on one image finish. Check where the first spoken line lands on the next image.

Read Bluechair, Ep. 1: Unstoppable on WEBTOON

Try a line of dialogue →

Check the strip boundary in Bluechair

In episode 1, playback moved from image 3 to image 4 with a new highlight in separate runs for original English and translated Chinese. Pause kept the reader on the same image; stopping ended playback.

For an episode on the Korean comic.naver.com site, use the NAVER guide. Its chapter reader and source lettering differ from this English WEBTOON edition.

How to translate Korean speech bubbles on NAVER WEBTOON →

Translate a line of comic dialogue

Load an original practice line or type a bubble from the drawing. Choose your languages, then select Translate to compare the text and listen.

Text translation · Preview

Translate, then hear both sides.

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Open this language-pair page: English → Spanish
Voices & privacy

Translate sends your input to CastReader’s translation service. This tool does not save your original or translated text. Clear or leave the page to end the session. Reading uses on-device voices; languages depend on your device and browser, and do not use CastReader AI reading minutes.

Translation voice

Before you begin

How much translation is included?

Signed out: 3,000 source characters per UTC day on this browser. Signed-in Free: 30,000 per UTC day. Pro: 3,000,000 per UTC calendar month. Signed-in usage is shared across devices and supported webpage, file, Kindle and video-caption translation. Letters and punctuation count; whitespace and protected code/formulas do not. Translation-service failures are not charged. The same successfully translated passage and target language are charged once within the same period; different segmentation or a new target language can create new usage. Daily quotas reset at 00:00 UTC, and Pro resets at 00:00 UTC on the first day of the month.

Does translating use my listening or Explain allowance?

Translation characters, cloud listening time and AI Explain requests are separate allowances. Translation itself does not start audio or consume an Explain. On-device reading remains free without a time allowance; CastReader AI reading requires sign-in and follows your listening plan. Reaching a translation limit preserves existing translations and the original; you can still listen when your selected voice has allowance. Pro users who reach their translation limit should wait for reset, not buy Pro again.

Find the right next step

YouTube translation: subtitles, narration or an audio track?

Choose how to follow a foreign-language YouTube video. Compare translated captions, CastReader caption narration and YouTube audio tracks, with practical next steps.

Translation appears, but there is no sound: what to check

Fix silent translated text by checking the right reading control, language voice and audio output. Separate the web text tool, YouTube extension preview and demo recording.

Translation, summary, explanation, or read-aloud?

Compare four approaches to the same reservation notice, keep two deadlines distinct, and choose what fits your task.