The Estamplab blog

How stamps and seals actually work: what has to appear on each kind, when one is legally required and when it is only expected, and where the answer changes depending on which country you are in.

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• Rubber stamp maker (8)
• Digital stamps for PDF and Word (8)
• Company stamps and seals (5)
• Notary and legal stamps (5)
• Stamps by profession (8)
• Date and serial number stamps (4)
• Stamp templates and design (9)
• Stamps around the world (19)

• Signature stamp 28 August 2026: A signature stamp saves real time on routine paperwork and creates a real risk on everything else. The line between the two is worth knowing precisely.
• Rubber stamp 28 August 2026: Rubber stamp covers three different objects with different mechanisms, different costs and different failure modes. Here is what separates them.
• Types of stamps 28 August 2026: Most offices own three or four stamps and could not say why those three or four. Here is the full set, sorted by what the mark is actually doing.
• PDF stamp 28 August 2026: Stamping a PDF is a two minute job that goes wrong in the same five ways, and every one of them is visible to whoever receives the file.
• Medical stamp 28 August 2026: Four lines do almost all the work on a prescriber stamp, and the registration number is the one people abbreviate wrongly. What each medical stamp is for, and how to build them.
• School stamp 28 August 2026: A school runs on stamps, and almost none of them are the crest. The five marks a school uses, what belongs on the head teacher stamp, and why its date should be a blank.
• Lawyer digital stamps 21 August 2026: A law practice does not need one stamp, it needs six or seven. Here is what each one is for, why numbering each impression to a matter closes a real billing leak, and how to apply one from a phone without going back to the office.
• Physical stamp problems 16 August 2026: A rubber stamp works perfectly until the day it does not, and the ways it fails are predictable. Here are eight of them, and an honest account of which ones a digital stamp solves.
• Stamps and deal speed 16 August 2026: Deals do not usually stall on price. They stall on the twenty minutes of mechanics after everyone has already agreed.
• Print, stamp, scan 15 August 2026: One of the last genuinely pointless paper loops in an office, and an honest look at what removing it does and does not achieve.
• Company stamps by country 14 August 2026: The same round mark carries wildly different weight depending on which city you registered the company in. Here is the map.
• Number stamp 13 August 2026: Printing "No. 0001" on a seal is easy. Making sure that number is never issued twice is the part that needs a server.
• Automatic stamp 13 August 2026: A stamp is a tiny piece of workflow. Here is what has to be true before it can carry any weight in one.
• Company seal 12 August 2026: Most answers to this question pick one country and write as though it applied everywhere. The honest answer changes considerably by jurisdiction.
• E-stamp 12 August 2026: The stamp outlasted the typewriter and the fax machine. Here is what finally changed, and what a digital one does that a rubber one cannot.
• Stamp cost 11 August 2026: The block costs twenty of something. The waiting costs considerably more, and almost nobody counts it.
• Wrong date stamp 10 August 2026: A date stamp that shows the day it was designed is a picture of a date. On a received stamp, that difference is the whole point.
• Free stamp makers compared 8 August 2026: Six online stamp makers, what each is genuinely good at, and the one capability none of the free ones offer.