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Guides for getting PDF work done

Short, honest how-tos for the document jobs everyone eventually has: merging, shrinking, converting, signing. No fluff, no upsell disguised as advice.

Illustration of a slim e-reader device standing beside a closed hardcover book and a folded paper document
Guides

EPUB, MOBI or AZW3: which ebook file you actually have

Which ebook format your reader wants, what separates a reflowable book from a fixed one, and why converting a PDF back into a book loses more than it keeps.

7 min read

Illustration of a fountain pen lying across a small square of paper carrying an ink squiggle, placed on a document with an empty signature line
How-to

How to get rid of the white box around a scanned signature

A scan of your signature arrives as a white rectangle that covers the line underneath. How to cut the paper away, and how to take a scan worth cutting.

8 min read

Illustration of a blank tear-off desk calendar on a stand beside a document showing a row of three short empty boxes
Guides

Why one form wants 09/04/2026 and another wants 2026-09-04

A PDF date box is not a date field. It is a text box with an opinion. Where that opinion comes from, and why one form can want two layouts at once.

8 min read

Illustration of a document sheet with empty ruled entry boxes and a magnifying glass, lying beside a small open dictionary
How-to

How to fill out a Dutch government form when you do not read Dutch

Dutch forms from KVK and the Belastingdienst are published only in Dutch. How to work out what each box is asking, fill it correctly, and file the original.

8 min read

Illustration of an opened envelope with a folded assessment letter sliding out of it beside a small stack of coins
Guides

A Dutch tax bill you cannot pay, or do not agree with

Bezwaar, betalingsregeling, kwijtschelding or uitstel: which Belastingdienst form answers which problem, what each deadline is, and what none of them do.

8 min read

Illustration of a stack of registration documents with empty ruled entry boxes and a round rubber stamp resting on top
Guides

Which KVK form you need, and what each one registers

KVK publishes 39 Handelsregister forms and the numbering says nothing about which is yours. Sorted by the job: registering, officers, UBOs, changes, endings.

7 min read

Illustration of a document with a crimson rectangle covering a line of ruled text, half lifted away to hint at the text underneath
Guides

Blacking out text in a PDF: is it actually gone?

A black box drawn over text can still be lifted out by copying the page. What removes the text for real, and how to tell which one you just did.

7 min read

Illustration of two documents side by side, one a short receipt and one a longer bill of sale with a signature line
Guides

Bill of sale or receipt: which one actually proves what

A receipt proves a payment happened. A bill of sale proves ownership changed hands and on what terms. Which one a private sale actually needs.

5 min read

Illustration of a stack of different document templates fanned out with ruled entry lines and small tables
Guides

Nine templates worth knowing about besides the invoice

A timesheet, an expense report, a statement of work, a travel itinerary and five more free fillable templates most people never go looking for.

5 min read