Universal workbench

PDF editor

Split, extract, reorder, rotate, edit metadata, fill forms, or raster-compress a PDF locally.

Device-onlyNo uploads. Ever.

Pipelines, branches, presets, naming, and detailed controls

Display

Text sizeDensity High contrast Monospace editor

Quick start

JSON → YAML WebP → PNG SVG → React JSX Plain text → Base64

From

Help me choose the best output Suggested: PNG

What matters most?

Recommendations use the registered target format and tested fidelity classification. They never inspect or upload your content.

01Input

Drop files or a folder hereChoose PDF files or a folder — batch input is welcome

Choose files Choose folder

or paste content

02Configure & run

PDFPDF

structural conversion · single or batch

Conversion preflightSize, memory, engine, execution, and fidelity before you start

Input: 0 B
Estimated peak memory: 96 MiB
On-demand download: No large engine download
Execution: Responsive local worker
Fidelity: No lossy step declared

What to provideDrop one or more PDF files. Password-protected PDFs must be unlocked before conversion.What you’ll getProduces one or more edited PDF files according to the selected operation.

Useful presetsTransparent, editable settings—not opaque quality labels

PDF operationChoose how the document should be edited. Only controls relevant to the selected operation are shown.

Output naming & batch behavior

Filename templateAvailable variables: {output} (converter’s meaningful name), {name}, {target}, {ext}, {index}. Duplicate names receive a safe numeric suffix.

Exampleoutput.pdf

Pipeline 1 linear · 0 branches

Why use A → B → C?

A pipeline feeds each result directly into the next compatible converter. Use one when the destination needs an intermediate representation or when you want to inspect and normalize that middle format.

JSON → CSV → XLSX turns records into rows before building a workbook.
Markdown → HTML → DOCX resolves markup before creating a document.
SVG → PNG → PDF intentionally flattens vector artwork before placing it on a page.

Only type-compatible next steps are offered. Lossy steps are marked before you run them.

1PDF editorstructural

Add compatible step

Parallel output branchesEach branch receives the final linear result. Branches do not feed or depend on one another.

Add a parallel destination

Add content above to start. Nothing leaves this browser.

Processing happens locally. Your file bytes are never sent anywhere.

About this conversion

How to convert PDF to PDF

Before you start

Drop one or more PDF files. Password-protected PDFs must be unlocked before conversion.

Accepted: .pdf · application/pdf

Choose or drag one or more PDF files onto the drop zone.
Confirm the detected format and adjust the available settings. Mixed-format batches are flagged before conversion.
Select “Convert on this device.” Produces one or more edited PDF files according to the selected operation.

How this converter behaves

PDF routes either embed a decoded image on a page or rasterize PDF pages into individual images.

What happens to your data?

The conversion engine runs in this browser tab. OmniCastConverter has no upload API and never sends your content, file name, or converted result to a server.

Fidelity and limitations

This route is classified as structural. The converter preserves meaning and structure supported by both formats.

Each page is rasterized at 2× scale; selectable text, links, forms, and vector structure are not retained.
Digitally signed PDFs lose signature validity when edited.
Raster compression is intentionally lossy and removes interactive document structure.