3 items
网页长截图与本地长图切片。默认 1500px,支持完整长图与 PDF(单份 64MB 上限),纯本地处理。 海豹截图 SealGrab 是一款网页完整长图捕捉与本地长图智能切片工具 / a full-page web screenshot and local long-image slicer. 无需手动拼接,一键平滑滚动捕获,智能规避吸顶/吸底遮挡,并提供高精度切片与格式转换。适合设计师整理灵感、开发者复现 UI、电商切图,以及 AI 多模态分析。 No manual stitching. One click scrolls the page, avoids sticky headers and footers, and gives precise slice and format control. Built for design research, UI reviews, ecommerce cutouts, and multimodal AI. 核心功能 / Key features 全自动平滑网页长截图 / Automatic full-page screenshots 自动探测网页实际滚动高度,支持 600ms–2000ms 渲染等待。内置防撕裂与吸顶导航优化,保证整页拼接对齐。 Detects the real page height and waits 600ms–2000ms after each scroll. Anti-tearing and sticky-header handling keep the stitched page aligned. 本地长图智能切片 / Local long-image slicer 上传本地超长图,按指定高度切割(推荐 1500px,或 1080 / 2160 / 4320 / 自定义),并可独立选择输出格式与宽度。 Upload any long image and cut it by height (1500px recommended, or 1080 / 2160 / 4320 / custom). Choose output format and width separately. 解决 ChatGPT / Claude / Gemini 等大模型对超长图像的宽高比限制。 Helps large models handle oversized images. 单图体积与格式控制 / Size and format control 支持 PNG / JPEG,可限制单张切片最大体积(如 5MB / 10MB)。 PNG or JPEG, with an optional per-slice cap (for example 5MB / 10MB). 一键导出 PDF / One-click PDF 将切片封装为 PDF。单份上限 64MB;超出请改小切片。 Pack slices into a PDF. Each file is limited to 64MB; use smaller slices if it exceeds that. 预览与下载 / Preview and download 单张下载、批量 ZIP、完整大图、PDF。 Single-slice download, batch ZIP, full unsliced image, and PDF. 100% 纯本地离线 / 100% local and offline 所有处理均在本地浏览器完成,零数据上传。 All processing stays in your browser. Nothing is uploaded. 适用场景 / Use cases:AI 多模态分析、电商详情页切图、UI 走查、资料归档。
Aug 25, 2026
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