Certified Translation in 5–10 Minutes

AI‑powered certified translation services — 20× faster, 80 % cheaper, seals & layout perfectly preserved. Global & USCIS Accepted.

From $9.99 per page — limited‑time offer.

Free Preview First, Pay Later

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Woman browsing books at a library in Nagano, Japan. Explore knowledge and literature.
Our AI Journey

What Does CertOf™ Mean?

CertOf is short for “Certificate Of …”.

At CertOf™, our mission is to leverage advanced AI to produce instant official certificates—starting with Certificate of Translation Accuracy.

We combine AI with human expertise to translate and certify documents — from birth certificate translation for USCIS and marriage certificate translation to complex contracts. Each order returns a layout‑perfect certified document translation and a verifiable PDF certificate in minutes.

More about us

Certificate of Translation Accuracy

As a certified translation agency, we deliver USCIS-accepted certified translations plus official translation services for the UK, China, Japan, and India—accurate, layout-perfect, and globally recognized.
View a live certificate verification.

Certificate of Translation Accuracy with verification URL, QR code, certificate ID, and issue date (sample).

Certificate of Translation Accuracy

Original Chinese marriage certificate page used for translation; personal details and photo are redacted.

Original Document Chinese – Page 1

Sample certified translation of a Chinese marriage certificate into English (personal details redacted).

Translated Document English – Page 1

More Than Certified Translation

Trusted worldwide for official document translation services — fast, accurate and affordable.

Super Fast

5–10 minutes on average
20× faster

Highly Accurate

AI‑grade translation precision

Affordable

From US $19.99/page
5× cheaper
($9.99 limited time)

Layout Preserved

Original design intact

Guarantee

Error Protection
Compensation up to
20× the fee

Pricing — Certified Translation Services

All plans include globally‑accepted certified translation, and money‑back guarantee.

Trial

Free

✅ Up to 5 documents
✅ 1 document at a time
❌ Preview only
❌ Online verification
❌ No Error compensation
❌ DOCX format output

Try Now

Pay‑per‑Use

$9.99

Per Page

✅ Without Watermark
✅ 1 document at a time
✅ PDF with official certificate
✅ Online verification
✅ 10x Error compensation
❌ DOCX format output
✅ $19.99 $9.99 Per Page

Upload File

Premium

$99.9

Per Month

✅ Include 10 pages translation
✅ 10 document at a time
✅ PDF with official certificate
✅ Online verification
✅ 20x Error compensation
✅ DOCX format output
✅ $19.99 $7.99 Per Page

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Our Teams

An experienced AI specialist with a background in large language models (LLMs) and large‑scale system deployment, Xener is a Peking University graduate who formerly worked at Tencent, where he led multiple AI‑driven projects focused on language understanding and business systems.
XenerBeijing
Co-Founder | AI Expert
Former journalist at Harvard Business Review and China Central Television, Erin brings deep expertise in international communication, with a strong focus on business and legal translation. Fluent in Mandarin Chinese, English, Japanese, and Korean. She specializes in the application of AI in translation workflows.
Erin ChenLos Angeles
Co-Founder | Translation Strategist

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