Extract text from images — free

该转换工具会重建文档的逻辑结构——标题、段落、列表、真正的 <table> 元素、链接和图片——而不像某些 PDF 阅读器那样只是将每个字符固定在 X/Y 坐标上。转换结果能在移动端自动重排，利于 SEO 索引，并开箱即可被屏幕阅读器识别。

可以。表格会转换为标准的 <table>、<thead>、<tbody>、<tr>、<th> 和 <td> 元素，并在表头单元格上设置正确的 scope 属性。这让它们对屏幕阅读器友好、可搜索，并易于用 Bootstrap、Tailwind 或你现有的 CSS 框架设置样式——无需额外的标记转换。

可以。粘贴到 WordPress、Webflow、Ghost、Notion（作为嵌入）、Confluence、GitBook 或你的自定义静态网站中——该标记无依赖，通过 W3C HTML5 规范验证，在 Chrome、Safari、Firefox 和 Edge 中渲染效果完全一致。图片会根据你的偏好以 Base64 内联或提取为单独的文件。

可以。纯图片 PDF 会触发 OCR 引擎，先提取文本并重建版式，然后再生成 HTML。这意味着即便是旧扫描的白皮书、拍摄的报告和传真回传的文档，也能重新发布为带有正确标题、段落和链接的现代响应式网页。

可以。嵌入的图片会被提取、优化（根据内容采用 WebP 或 PNG），并通过设置了 width 和 height 属性的 <img> 标签引用，以实现有利于 CLS 的加载。矢量图表可能会扁平化为位图——若要获得完整的矢量保真度，请使用「PDF 转图片」并手动嵌入 SVG 版本。

上传的文件会在几分钟内删除，绝不用于训练模型，绝不共享。HTML 输出没有水印、没有署名注释、也没有跟踪像素。代理公司和内部团队用该工具将旧版 PDF 迁移到现代 CMS 网站，无需担心任何授权或隐私问题。

Open the Engine control group next to the preview, pick Default, Engine 1 or Engine 2, then choose the document's language from the searchable Language picker below it — over 100 languages are supported, including non-Latin scripts. After changing either setting, click Re-run extraction to regenerate the HTML with the new OCR pass.

Start with Default for common Latin-script languages — it's the fastest and most accurate for everyday documents. For less common scripts (Arabic, Hindi, Chinese) or when Default garbles headings and tables, switch to Engine 1 or Engine 2, set the matching Language, then Re-run extraction — different engines specialise in different scripts, so trying both takes seconds and often fixes misread accented characters.

Yes — the output panel shows an editable code box next to a live rendered preview, so typing a fix (removing a stray tag, adjusting a heading level, tweaking inline text) updates the preview pane immediately. Make all your corrections there before hitting download or copy, since both actions use whatever is currently in the code box, not the original OCR output.

Click Copy HTML above the output panel — it copies exactly what's in the editable code box, including any manual edits you've made, to your clipboard and briefly shows 'Copied!' to confirm. This is the quickest route when you're pasting straight into a CMS's HTML or embed block rather than uploading a file.

You can convert a PDF to HTML without creating an account. Signed-in free accounts get a daily allowance of conversions and see a small usage meter once they're near it, since scanned PDF pages route through OCR — Premium accounts don't see any cap.

No — there is no setting for this in the tool; how images are embedded in the output HTML is decided automatically and can't be switched in the UI, regardless of what some site copy suggests. If you need standalone image files for a CMS media library, export the pages separately with PDF to Images instead, which outputs PNG or JPG — not SVG — at your choice of 150, 200 or 300 DPI.