Redact PDF 在线 – 取证安全的PDF涂黑并附验证报告
免费防止注释覆盖和隐藏文本泄露。我们栅格化页面，将黑框烧入像素，移除元数据并生成验证报告。移动端体验良好。
Redaction features built for compliance teams
Automatic search-based redaction
Run automatic keyword, pattern, and whole-word searches so analysts can verify every hit before export with literal or smart case matching for client names and IDs.
Precision controls for manual boxes
Draw manual boxes with pixel previews, arrow-key nudging, and margin guides to keep signatures, slips, and complex layouts fully covered across every page.
Built-in metadata scrubber
Strip document info, XMP packets, attachments, bookmarks, and form fields with one toggle so hidden history stays out of the rebuilt PDF.
Detailed verification reports
Generate coverage metrics, keyword rescans, and packaged exports so reviewers can prove sensitive data stayed removed after redaction.
Audit-ready redaction vs. typical tools
See how pdfjuggler keeps verifiable evidence compared to the average PDF redaction utility.
Verification reports
- pdfjuggler
- Export an audit-ready PDF and JSON report that documents coverage, metadata changes, and processing hashes.
- Typical redaction tools
- Rarely provide machine-readable proof—teams resort to screenshots or trust the vendor's claims.
Keyword rescans
- pdfjuggler
- Automatically reruns your sensitive keyword lists against the redacted output so you know nothing slipped through.
- Typical redaction tools
- Stops after masking text; no automated confirmation that regulated phrases disappeared.
Metadata scrubber
- pdfjuggler
- Strips document info, XMP packets, attachments, and hidden objects every time you burn in redactions.
- Typical redaction tools
- Leaves authors, revisions, or attachments intact—requires another tool to finish the job.
Browser-only processing
- pdfjuggler
- Rasterizes and burns boxes locally in your browser; nothing leaves your device unless you save a report copy.
- Typical redaction tools
- Uploads documents to vendor servers for processing, triggering security reviews and extra approvals.
Follow these steps to rebuild each page, prove your redactions, and share PDFs that stay sealed.
Leak-safe workflows for sensitive PDFs
Rebuild pages before you export
Burn black boxes into the pixels
Scrub metadata and hidden payloads
如何涂黑PDF（取证安全）
- 上传PDF。
- 添加标记：输入搜索词（回车/逗号）或双击词语自动标记；桌面端也可画框。
- 微调：切换“对齐整词”、移除标记或撤销手动框；若为扫描件，将显示OCR提示。
- 涂黑——我们栅格化每页并将黑框烧入像素，元数据被剥离。
- 下载——获取涂黑后的PDF（及可选的验证报告）。
相关工具：
修复PDF
修复PDF
OCR PDF
OCR PDF
整理页面
整理页面
编辑PDF
编辑PDF
逐步涂黑指南
逐步涂黑指南
涂黑流程手册
涂黑流程手册
常见问题
涂黑是否永久且防止PDF工具恢复？
是。每页都会栅格化为图像，黑框烧入像素，重建的PDF不含原始文本、注释或表单字段。
如果PDF是扫描件怎么办？
我们会检测疑似扫描/仅图像的PDF并提示。搜索式涂黑可能无效，但绘制方框仍会永久烧入像素。若需搜索，请在输出上运行OCR。
输出在法律环境中是否可用？
许多机构要求不可恢复的涂黑。我们移除文本/注释并提供验证报告，请根据司法管辖区咨询法务。
是否也会移除元数据？
会。启用后会剥离元数据（如XMP、文档信息、附件）；表单字段和注释不会复制到输出。
图像内的文字安全吗？
安全。栅格化会把整页转为像素，不保留隐藏文本或矢量层。若需搜索性，可在输出上运行OCR。
可以一次涂黑多个区域吗？
可以。跨页添加任意数量的方框，然后一次处理。
有验证报告吗？
有。报告包含标记区域的像素覆盖检查及关键字扫描，帮助确认敏感词已不可检索。
我的文件是私人的吗？
涂黑在浏览器中执行；除非请求生成验证报告（临时存储），否则PDF不会上传。
移动设备上能用吗？
能。你可以在iPad或安卓平板等触控设备上搜索并绘制方框。
大PDF处理需要多久？
栅格化并涂黑200页PDF会逐页流式处理，通常不到一分钟，取决于硬件。