Building the World's Best Free Stamp & Seal Maker
Web上で最も先進的で完全無料のデジタルスタンプ＆公式印鑑作成ツール。会社印、公証人シール、承認スタンプ、消印をベクターSVGおよび高解像度1200 DPI PNGで出力できます。
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100% 完全無料 • 課金なし • 透かしロゴなし
0 KB
Uploaded to Servers
1200
DPI Ultra-High Res
50+
Ready-to-Use Presets
Why Traditional Online Stamp Generators Failed Users
For over a decade, when small business owners, notary signing agents, accountants, and lawyers searched for a simple digital stamp maker, they were met with predatory websites designed to exploit them:
- The Download Trap: Users would spend 20 minutes meticulously positioning text and adjusting borders, only to click "Download" and find their stamp covered in an obnoxious watermark with a demand for $9.99 to $29.99.
- Blurry, Unusable 72 DPI Bitmaps: Legacy sites exported low-resolution raster images that pixelated heavily when printed on contracts or sent to physical rubber stamp laser engravers.
- Serious Privacy Risks: Traditional tools uploaded sensitive corporate names, tax registration numbers, and confidential contracts to remote servers with opaque security policies.
- Clunky, Broken Curved Text: Primitive tools lacked real vector arc calculations, producing distorted, overlapping letters along circular seal perimeters.
We established Online Stamp Generator (onlinestampgenerator.com) to fix every single one of these problems. We engineered a modern, browser-native vector design environment that treats users with respect: professional precision, instant export, and genuine 100% free access.
Four Core Pillars Behind Our Technology
Mathematical Vector Precision
Our engine utilizes exact SVG <textPath> trigonometry and Bézier curve mathematics to achieve flawless character spacing, radial kerning, and bidirectional text curvature on multi-ring seals. Every line and letter remains infinitely scalable.
100% Client-Side Privacy
We operate on a zero-knowledge architecture. All computations, image processing, and PDF/Word document stamping run locally inside your browser using HTML5 Canvas, SVG, and WebAssembly. Your files never touch our servers.
True 1200 DPI Physical Manufacturing Scale
We provide high-resolution exports (from 300 DPI to 1200 DPI PNGs and vector SVGs) calibrated 1:1 in millimeters. These files are directly accepted by commercial laser engravers and rubber stamp manufacturers (Trodat, Colop, Shiny).
Procedural Ink Physics & Aging Effects
Digital stamps shouldn't look synthetic. Our procedural distress engine simulates real-world rubber stamp physics: microscopic ink absorption, uneven pressure distribution, edge bleed, and vintage postal grunge.
Who Relies on Online Stamp Generator?
◆ Notaries & Legal Clerks
Creating digital notary seals for remote online notarization (RON), affidavit jurats, attorney certifications, and legal discovery exhibits in full compliance with state sizing requirements.
◆ Small Business & LLC Founders
Designing official corporate round seals, commercial trade stamps, tax ID verifications, and professional letterhead marks for banking and commercial contracts.
◆ Accounting & Billing Teams
Generating crisp APPROVED, PAID, RECEIVED, VOID, and CONFIDENTIAL endorsement stamps to streamline accounts payable workflows and invoice approvals.
◆ Logistics & Warehouse Ops
Stamping bills of lading, customs declarations, shipping container inspections, and quality control (QC PASSED) checklists with date-stamped seals.
◆ Doctors & Pharmacists
Custom medical license stamps, hospital dispensary validations, prescription verification marks, and clinic registration emblems.
◆ Rubber Stamp Manufacturers
Stamp makers and engravers use our clean vector SVG and 1200 DPI inverted exports to feed directly into CO2 laser cutters and vulcanized polymer equipment.
How We Keep Online Stamp Generator 100% Free
Our operating philosophy is simple: we sustain our development, hosting, and ongoing feature updates through unobtrusive third-party web advertising (such as Google AdSense). This revenue model allows us to offer enterprise-grade vector tools to students, non-profits, small startups, and individual professionals worldwide without gating basic features behind credit card forms or monthly SaaS subscriptions.
We promise to keep our core tools watermark-free, unrestricted, and fully accessible to everyone.
Have a Feature Request or Need Assistance?
We are constantly refining our editor and expanding our template library. Reach out to our dedicated support team with your ideas, feedback, or custom template requests.
Official Email: [email protected]