PDF X-Ray
Inspect any PDF: fonts, images, hidden text under redactions, metadata leaks, embedded scripts and a per-page density heatmap.
- Runs in your browser
- No upload on server
- Free, forever
- Add PDF
- Adjust
- Download
Bluebird X-Ray combines pdf-lib's low-level catalog reader with pdfjs's operator list to surface things most viewers hide — like text still hiding under drawn-on black boxes.
Drop a PDF to reveal fonts, images, hidden text under redactions, tracker metadata, embedded scripts and more.
How this works — and why it's private
- Drop any PDF — nothing leaves your browser.
- Bluebird reads the file two ways at once: pdf-lib walks the raw structure while pdfjs replays every drawing command.
- By comparing the two we can spot things one library alone would miss — like text still selectable under drawn-on redaction boxes.
- Use the report to strip metadata, re-redact properly, or just understand what a file reveals about you.
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