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Stamp maker

Create a Rectangular Stamp

Build an official mark out of a few words. Type the text, choose a border, and set the proportions, and the result is a transparent PNG that lands on a document as though it had been pressed there.

  • Built from text, no image needed
  • Solid, double, or dashed borders
  • Capital lettering for small sizes
  • Width, height, and padding set apart
  • Designed in the browser, nothing uploaded
Open the stamp tool

The Shape of an Approval

A rectangular stamp is a line of text inside a frame, which is how most official marks are made.

A stamp does not have to be made from a picture. Half the stamps in circulation are nothing but words inside a frame: APPROVED, PAID, RECEIVED, CONFIDENTIAL. The shape is a rectangle because that is what fits a line of text, and the frame is a border because that is what makes a few words read as an official mark rather than as a caption. That is what this tool builds. When you create a rectangular stamp, there is no image to upload, only text to set. The border, the lettering, and the proportions are all chosen, and the result is a transparent PNG that drops onto a document as though it had been pressed there.

What the Stamp Maker Does

A mark is built from text and a border, sized to fit its words, and exported as a transparent PNG.

Text first

The stamp is built from words rather than an image, so there is no source file to fit the frame around.

Border styles

Solid, double, or dashed borders, each of which changes the tone of the mark before any text is read.

Lettering control

Font, size, and spacing are set directly, which is what keeps the words legible at stamp scale.

Independent proportions

Width, height, and padding are adjusted separately, so the frame fits the words rather than the other way around.

Transparent output

The PNG carries no background, ready to place on documents of any color.

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The rectangle is the shape of administration

Round seals imply an institution; rectangles imply a decision. The rectangular stamp is the shape of the approval block, the form stamp, the mark at the bottom of a page that says a document has passed through someone's hands. That association is strong enough to be useful. Choosing a rectangle over a circle is already saying something about the kind of mark it is, before any word has been set.
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A rectangular approval block beside a round institutional seal
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Built from text, not from an image

Most stamp tools start with a graphic and add a seal to it. To create a rectangular stamp is to start with nothing but words and build the mark from there, which is a different and often simpler job. The advantage is control. There is no source image to fight against, so the size, the weight of the border, and the spacing of the letters can all be set directly. The result is a clean stamp rather than a graphic wearing a stamp costume.
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A stamp built purely from typed text and a border
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Border styles carry most of the meaning

Three borders cover almost every use. A solid line is the standard and reads as official. A double line, one inside the other, reads as more formal and is common on government and legal marks. A dashed line is lighter and often reads as provisional, like something pending rather than settled. The border is doing more work than it appears to. It is the first thing the eye registers, and switching it from solid to dashed changes the whole tone of the mark before a single letter is read.
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The same text shown in solid, double, and dashed borders
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Lettering that reads at small size

A stamp is usually small, and wordmarks in it are almost always set in capitals with wider spacing between the letters. Capital letters are more legible at tiny sizes because their shapes are more distinct, and the extra spacing stops them crowding into a solid block. Following that convention is not just traditional. It is what makes a stamp legible when it is printed at the size a stamp actually occupies, which is smaller than the preview suggests.
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Capital letters with wide spacing staying legible at a small size
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Words that fit a rectangular format

Rectangular stamps tend to carry two or three words arranged on one or two lines. A single long line is awkward and a paragraph is impossible; the shape rewards brevity. That constraint is a feature. The words that belong on a stamp are short and categorical, which is exactly the kind of language the format handles well.
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Short categorical words fitted neatly inside a rectangular frame
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Proportions and padding

The width and height are set independently, so the stamp can be wide and shallow for a single word or closer to square for two lines. Padding decides how much space sits between the text and the border. Too little padding crowds the words against the frame and looks cramped; too much makes the border feel disconnected from its contents. The right amount is the one where the text and the border read as one object.
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A cramped stamp beside one with comfortable padding around the text
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Transparent so it lands on a document

A stamp is placed on top of something. A transparent PNG sits on a contract, a form, or a letter with nothing behind it, the way ink behaves on a page. A solid background would put a rectangle around the rectangle and give the effect away at once. Keeping the output transparent is what lets the same stamp be reused across documents of different colors.
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A transparent rectangular stamp placed on documents of different colors
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Made in the browser

Stamp design is quick work, and there is no reason for it to involve an upload, especially when the text might be confidential or the mark is for internal use. The stamp is designed, previewed, and exported on the device. Nothing is uploaded, and the result is available immediately, which suits the way a stamp is usually needed.
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A rectangular stamp being designed locally in the browser

How to Create a Rectangular Stamp

Four steps, and the second is the one to settle early, since the border sets the tone of everything inside it.

Step 1

Type the words

Enter the text, keeping it short. Two or three categorical words suit the format best.

Step 2

Choose the border

Pick solid for a standard approval mark, double for something more formal, or dashed for a provisional one.

Step 3

Set the lettering and proportions

Use capitals with wider spacing for legibility, then adjust the width, height, and padding until the frame fits.

Step 4

Download the transparent PNG

Save the stamp and place it on documents, forms, or certificates.

Who Uses Rectangular Stamps

Four kinds of work where a short official mark has to appear on a page.

OM

Office managers

forms and internal documents

APPROVED and RECEIVED used to be written by hand. Two stamps cover the whole process, and every page gets the same mark.

SB

Small business owners

invoices and quotes

A PAID stamp on an invoice settles the question without anyone reading the paperwork. The transparent file sits on the page with no box around it.

LT

Legal teams

filing and document handling

A double border reads as formal, which matters on anything filed. The word choice and the frame do the work together.

TE

Teachers

marking and returning work

A stamp takes a second and covers a whole pile of papers. It looks deliberate in a way a scribbled note never does.

Frequently Asked Questions

What a rectangular stamp is made of, and which choices shape how official it looks.

A few words in a frame

Type the text, choose a border, adjust the proportions, and download a transparent stamp ready for documents.

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The Shape of a Decision

A rectangular stamp is text that has been given authority

Most stamps are not pictures with a frame around them; they are a few words that have been made to look official. The rectangle does half of that work, because it is the shape of an approval block rather than of a seal. The border does the rest, setting the tone from standard to formal to provisional before a single word is read. Add short capitals with room to breathe, and you have a mark that carries the weight of a signature without pretending to be one. That is what it takes to create a rectangular stamp: a border, a few words, and the restraint to stop there.

Smaller files, same picture.