Skip to content
AI Tool

Sumi – AI Manga Translator Review

Sumi – AI Manga Translator is an AI-powered tool that translates manga, manhwa, and webtoons by re-lettering content directly into speech bubbles across 134 target languages.

shipped Sep 5, 2026translationfreemium
Monthly visits6/mo
translationocrimage-editing
Sumi – AI Manga Translator — product screenshot

Why it matters

1Supports 134 target languages for translation.
2Available online, as Chrome and Firefox extensions, and on iOS/iPadOS.
3Offers a freemium model with a free tier for 1 page and Pro plans starting at $5.83/month.
4Features in-place translation, erasing original lettering and fitting translations into speech bubbles.

About Sumi – AI Manga Translator

Business Model
Subscription SaaS
Usage Pricing
free for 1 page, $0.008/page beyond limit per page
Free Credits
5 free pages on sign-up, 5 more daily
Platforms
Web, iOS, iPadOS
Target Audience
Manga enthusiasts looking to read in their native language

Pricing Plans

Free
$0 / monthly
  • Read one page free
  • 5 pages on sign-up
  • Batch translation — up to 20 pages
  • Priority translation speed
Pro
$5.83/month (billed $69.99/year)
  • 1,500 pages per month
  • Priority translation speed
  • Full support
Pro+
$12.50/month (billed $149.99/year)
  • 4,000 pages per month
  • Priority custom support
  • Full support
Studio
$33.33/month (billed $399.99/year)
  • 12,000 pages per month
  • 1v1 custom support
  • Full support

Cost Examples

  • Translate 1 page: Free
  • Translate 1,500 pages: ~$5.83/month

Specs

API Available

Yes, public API

overview

What is Sumi – AI Manga Translator?

Sumi – AI Manga Translator is a AI-powered translation tool developed by Sumi that enables manga, manhwa, and webtoon readers to access untranslated or late-translated content. It integrates directly into the original artwork by erasing existing text and re-typesetting translations into speech bubbles, supporting 134 target languages online and via browser extensions.

features

Key Features of Sumi – AI Manga Translator

Sumi – AI Manga Translator provides a suite of features designed for comprehensive manga, manhwa, and webtoon translation, focusing on visual integration and user accessibility.

  • In-place translation of manga, manhwa, and webtoons, erasing original lettering.
  • Re-lettering translations directly into speech bubbles with correct typesetting, including vertical text for Chinese, Japanese, and Korean.
  • Support for 134 target languages across all platforms.
  • Availability as online web interface, Chrome extension, Firefox extension, and dedicated iOS/iPadOS applications.
  • API access for developers, with a documented endpoint at https://translatemanga.net/api/v1/translate.
  • No signup required for initial page translation on the web platform.
  • Batch translation capability for up to 20 pages simultaneously.
  • Compatibility with over 30 manga platforms for direct translation.
  • Offline translation functionality on iPhone and iPad after downloading model packs.
  • In-app browser for translating web pages and support for importing PDF, ZIP/CBZ, EPUB, MOBI/AZW3, photos, or folders.

use cases

Who Should Use Sumi – AI Manga Translator?

Sumi – AI Manga Translator is primarily designed for individuals and specific use cases requiring high-quality, integrated translation of visual narrative content.

  • Manga, manhwa, and webtoon readers who want to access untranslated or late-translated content from platforms like Shonen Jump Plus and MANGA Plus.
  • Users who prefer high-quality, integrated translations that preserve original artwork by re-lettering text directly into speech bubbles.
  • Readers needing offline translation capabilities for mobile devices (iPhone, iPad) to read content without an internet connection.
  • Language learners who utilize features like tapping words for definitions and saving words for spaced repetition.
  • Individuals seeking to translate single manga images, screenshots, or entire chapters of comics online or on Apple Silicon Macs.

how to use

How to Use Sumi – AI Manga Translator

Sumi – AI Manga Translator can be accessed via its web interface, browser extensions, or dedicated iOS/iPadOS applications to translate visual content.

  • 1Navigate to mangasumi.com or install the Chrome/Firefox/Safari extension.
  • 2Upload an image, PDF, ZIP/CBZ, EPUB, MOBI/AZW3 file, or provide a URL to a manga page.
  • 3Select the desired target language from the 134 available options.
  • 4Initiate the translation process; the tool will erase original text and re-typeset the translation into speech bubbles.
  • 5For mobile use, download the Sumi app on iPhone or iPad and optionally download offline model packs for privacy-focused, on-device translation.

pricing

Sumi – AI Manga Translator Pricing & Plans

Sumi – AI Manga Translator operates on a freemium model, offering a free tier with limited functionality and several subscription plans for increased usage and features. The API also operates on a credit-based consumption model.

  • Free: $0, includes translation of 1 page, with 5 free pages on sign-up and 5 more daily.
  • Pro: $5.83/month (billed $69.99/year), offering higher page limits and priority support.
  • Pro+: $12.50/month (billed $149.99/year), providing expanded usage compared to the Pro tier.
  • Studio: $33.33/month (billed $399.99/year), designed for extensive usage requirements.
  • Usage pricing beyond free limits is $0.008 per page.

Pros

  • +Integrates translations directly into artwork by erasing original text and re-typesetting into speech bubbles, preserving visual integrity.
  • +Supports a broad range of 134 target languages, catering to a diverse global audience.
  • +Offers multiple access points including web, Chrome, Firefox, Safari extensions, and dedicated iOS/iPadOS applications, including offline capabilities.
  • +Provides an API for developers, allowing custom integrations and automated workflows.
  • +Includes features beneficial for language learning, such as tap-to-define words and word saving for spaced repetition.
  • +Maintains user privacy with a stated policy of 0 data retention days and never training on user data.

Cons

  • The free tier is limited to 1 page per translation, requiring a subscription for extensive use.
  • Some users have reported app crashes, particularly when importing folders or deleting local data on Apple devices.
  • Issues with editing or deleting imported comics within the app have been noted by users.
  • Automatic translation without an option to suspend has been cited as a concern by some users.
  • Potential for high power consumption and device slowdowns during translation processes on mobile devices.

Similar Tools

Sumi – AI Manga Translator vs Competitors

Sumi – AI Manga Translator distinguishes itself in the market by focusing on high-quality visual integration of translations, aiming for a 'scanlation-like' output by erasing original text and re-typesetting. This approach contrasts with many general-purpose translators that might overlay text.

1
Comic Translate

It utilizes State of the Art (SOTA) Large Language Models (LLMs) like GPT for superior, contextual translation quality, especially for distant language pairs, and offers both a desktop app and a browser extension.

While Sumi is a commercial product with a streamlined user experience, Comic Translate is open-source, offering greater control and privacy, though it may require more technical comfort for installation and optimal performance with GPU acceleration.

2
Ichigo Reader

This browser extension overlays translations on manga images in real-time as you read online, providing instant access to translated content.

Ichigo Reader offers a completely free, real-time, in-browser translation experience similar to Sumi's extension, but it might provide less advanced inpainting or text rendering compared to Sumi's dedicated erasing and re-typesetting capabilities.

3
Scan Translator

It detects image text, translates, and redraws readable translations directly in your browser, with an editor for refining wording, fonts, and text placement.

Scan Translator provides a similar in-browser translation and editing workflow to Sumi, but its free offering is based on a limited number of credits, which might be more restrictive for heavy usage compared to Sumi's freemium model.

More on Stork

Related AI Tools

Other tools in this category, matched by shared tags

One short daily email of tools worth shipping. No drip funnel.

one email a day · unsubscribe in two clicks · no third-party tracking

For builders

This page is doing a job for someone else’s tool.

AI agents read it. Buyers land on it. It answers in eight languages and over MCP. Your tool can have one like it — live in 24 hours.