Certified Translation in 5–10 Minutes

Certified translation for immigration, study, and legal documents — 20× faster and up to 80% cheaper, with seals and layout carefully preserved. Designed for USCIS and global use.

From $9.99 per page — limited‑time offer.

Free Preview First, Pay Later

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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 specialized certified translation provider, we deliver certified translations designed to meet USCIS requirements, plus official-style translation services for the UK, China, Japan, and India—accurate, layout-focused, and widely used for formal submissions.
View a live certificate verification.

CertOf Certificate of Translation Accuracy for a Spanish-to-English birth certificate translation

Certificate of Translation Accuracy

Original Spanish Chilean birth certificate sample issued by the Civil Registry

Original Document Spanish – Page 1

English translation sample of a Chilean birth certificate with clear structured fields

Translated Document English – Page 1

More Than Certified Translation

Trusted worldwide for certified translation of official documents — fast, accurate, and affordable for immigration, study abroad, academic, and legal use.

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Super Fast

5–10 minutes on average
20× faster

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Highly Accurate

AI‑grade translation precision

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Affordable

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

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Layout Preserved

Original design intact

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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

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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 Team

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.
team 01
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.
team 02
Erin ChenLos Angeles
Co-Founder | Translation Strategist

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