#  `insert`

Insert blank pages
## Usage
> pdftl `<input>` `insert` `[N][(geometry)]` `[{after|before}` `<range>]` `...`

## Details
Inserts blank pages before or after specific pages.

Syntax: `[N][(spec)] [{after|before} [<range>]]`

Arguments:
  - `N`: Count of pages to insert (default: 1).
  - `(spec)`: Geometry/size specification.
  - `range`: Target pages (default: 1-end).
  - `after/before`: Position relative to target (default: after).

Geometry Specifications:
  - `(A4)`, `(letter)`: Standard paper sizes, case insensitive.
    Append `_l` for landscape: `(a4_l)`.
  - `(20cm, 10cm)`: Custom dimensions (width, height).
  - `(50%, 100%)`: Dimensions relative to the target page.
  - `(model=N)`: Copy geometry from page N.
## Examples

> Insert 1 blank page after every page, copying its geometry.
```
pdftl in.pdf insert output out.pdf
```

> Insert an A4 page after every page.
```
pdftl in.pdf insert (A4) output out.pdf
```

> Append an A4 page (defined by dims) to the end.
```
pdftl in.pdf insert '(210mm,297mm)' after end output out.pdf
```

> Insert 2 blank pages after page 1.
```
pdftl in.pdf insert 2 after 1 output out.pdf
```

> Insert a half-width page after every page.
```
pdftl in.pdf insert (50%,100%)
```

> Insert 1 blank page after every page (using defaults).
```
pdftl in.pdf insert output out.pdf
```

> Insert a half-width page (relative to page 1) after page 1.
```
pdftl in.pdf insert '(50%,100%)' after 1 output out.pdf
```


**Tags**: pages, geometry

*Source: pdftl.operations.insert*

*Read online: [https://pdftl.readthedocs.io/en/stable/operations/insert.html](https://pdftl.readthedocs.io/en/stable/operations/insert.html)*

*Type: Operation*