See it. Measure it. Prove it.

Every tool is powered by the same O(1) surgical engine. No full-file parsing. No re-serialization. Just append-only patches.

● Live

Watermark

O(1) surgical text injection. Custom font, color, opacity, rotation. Resources injected into every page.

Launch →
Phase 2
🖼️

Image Stamp

JPEG via /DCTDecode, PNG via /FlateDecode. XObject embedding + Do operator.

Coming soon
Phase 2
📦

Compress Streams

FlateDecode compression via the browser CompressionStream API. Zero dependencies.

Coming soon
Phase 3
✍️

Digital Signatures

PKCS#7 / PAdES-B-B. ByteRange reservation, CMS envelope via Web Crypto API. Multi-signature stacking.

Coming soon
Phase 4
🔗

Merge & Split

Object graph walking, ID remapping, page tree rebuilding. Streaming creation from scratch — no in-memory tree.

Coming soon
Phase 4
🔄

Page Reorder

Surgical /Kids array rewrite. Drag-and-drop page ordering without touching content streams.

Coming soon
Phase 5
🔒

Encrypt & Protect

AES-128/256 encryption via Web Crypto API. AcroForm support for reading and filling form fields.

Coming soon