# E-Ink

> E-Ink (e-ink.me) converts web pages and documents to ebooks: web page to EPUB/PDF/Markdown, EPUB/MOBI/PDF/DOCX/HTML/TXT/RTF/ODT/FB2/CBZ/CBR inter-conversion, EPUB translation (translated or bilingual), text-to-speech, EPUB/PDF mind maps, plus in-browser ebook readers and editors. Free credits included; API uses Bearer API keys with a credit system.

Docs:
- [Developers](https://e-ink.me/en/developers): human-readable API documentation with curl examples, auth, and the credit cost table
- [API Key management](https://e-ink.me/en/dashboard): sign in, then create keys under API Keys
- [OpenAPI specification](https://e-ink.me/api/openapi.json): machine-readable OpenAPI 3.1 spec of the REST API
- [MCP manifest](https://e-ink.me/mcp.json): machine-readable tool manifest for the REST API
- [AI agent skill](https://github.com/Selenium39/e-ink-skill): installable skill that wraps this API for Cursor / Claude Code / Codex (npm: e-ink-skill)
- [Pricing](https://e-ink.me/en/pricing): credit packs and refund policy

API:

Authentication: `Authorization: Bearer eink_xxx` against the base URL `https://e-ink.me/api/v1`. Errors return JSON `{"error":{"code","message","hint"}}`.

- [Get remaining API credits](https://e-ink.me/api/v1/credits): Returns the authenticated user remaining credit balance. Free call, costs no credits. Credit cost: 0.
- [Convert web page(s) to an ebook](https://e-ink.me/api/v1/convert/webpage): Scrapes one or more web page URLs (including WeChat articles) and converts them to EPUB, PDF or Markdown. Multiple URLs are merged into one ebook, or returned as a ZIP with outputMode=separate. Credit cost: 3 per URL.
- [Convert an ebook/document file between formats](https://e-ink.me/api/v1/convert): Uploads a file (EPUB, MOBI, PDF, DOCX, HTML, Markdown, TXT, RTF, ODT, FB2, CBZ, CBR) and converts it to another supported format. The converter id follows the pattern "<input>-to-<output>", e.g. epub-to-pdf. Credit cost: 2 (5 for PDF OCR).
- [Translate an EPUB ebook](https://e-ink.me/api/v1/convert/translate): Translates an EPUB ebook (max 20MB) into the target language. outputMode=translated replaces the text; outputMode=bilingual produces an alternating original/translation edition. Credit cost: 3 per file.
- [Convert text to speech audio](https://e-ink.me/api/v1/convert/tts): Synthesizes text (max 50,000 chars) into an MP3 using Edge TTS voices such as en-US-JennyNeural or zh-CN-XiaoxiaoNeural. Credit cost: 5 per call.
- [Generate a mind map from an EPUB or PDF](https://e-ink.me/api/v1/convert/mindmap): Builds a mind map from an EPUB or PDF. mode=structure extracts headings (2 credits); mode=ai uses AI summarization (5 credits). Returns the tree plus Freemind, OPML and Markdown exports. Credit cost: 2 (5 for AI mode).

Site map: the site UI is available in 16 languages (English, Chinese, Japanese, Korean, German, French, Spanish, Portuguese, Italian, Russian, Arabic, Dutch, Polish, Turkish, Swedish, and Chinese Traditional) — replace the /en prefix in any URL below with a supported locale.
- [Home](https://e-ink.me/en): web-to-ebook converter with a URL box
- [All converters](https://e-ink.me/en/convert): every file-format conversion tool
- [Ebook readers](https://e-ink.me/en/reader): EPUB, MOBI, PDF, FB2, CBZ readers in the browser
- [Ebook editors](https://e-ink.me/en/editor): EPUB, MOBI, PDF, Markdown, DOCX editors
- [Translation](https://e-ink.me/en/translate): EPUB, PDF, TXT, MOBI ebook translation
- [Ebook tools](https://e-ink.me/en/tools): merge, split, inspect and other mini tools
- [Blog](https://e-ink.me/en/blog): ebook workflows and guides
- [Privacy policy](https://e-ink.me/en/privacy), [Terms of service](https://e-ink.me/en/terms), [Refund policy](https://e-ink.me/en/refund), [About and contact](https://e-ink.me/en/about)

Other:
- [Sitemap](https://e-ink.me/sitemap.xml): full list of localized pages
- [robots.txt](https://e-ink.me/robots.txt): crawler rules