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Free license & certification exam prep — in your language

Study guides, daily practice tests, and full mock exams for US license and certification exams — contractor, nursing, real estate, finance, food safety, CDL and more, in every state. In English, 中文, Español, and Tiếng Việt.

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32,249+questions

572exams

4languages

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Our deepest vertical — contractor exams: all 23 states with a real state exam, plus NASCLA Explore →

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From the founder

Why PrepPass

PrepPass was built by Sen Lin, a software engineer in Silicon Valley. With a bilingual practice-question system he first built himself, he helped several friends pass their California licensing exams — then set out to turn that reusable system into free prep anyone can use.

We believe that with the right training, the right materials, and exam-targeted practice, anyone can pass their exam on their own — instead of spending thousands of dollars on courses and prep packages.

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Exams

Available exams

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🔥 Most popular

CSLB Business & Law

California contractor license (Class A, B, and C). Study guides, 1,605 practice questions, and a full mock exam.

1,605 questions · 82 study sections · 4 languages

NCLEX-RN Nursing

Free NCLEX-RN Nursing practice questions, study guide and a full timed mock exam — original, with explanations, in English/中文/Español.

120+ questions · 8 content areas · practice + mock

ServSafe Food Protection Manager

The nationally accepted food-safety manager certification (CFPM), based on the FDA Food Code — required for the person in charge at most US restaurants. 320 free practice questions across 8 topics, in English and Español.

320 questions · 8 study chapters · English & Español

🔥 Most popular

Cosmetology · Barber · Esthetician · Manicurist

California beauty industry licenses — Cosmetologist, Barber, Esthetician, Manicurist. Free in English, Chinese, Spanish, and Vietnamese.

484 questions · 70 study sections · 4 languages

California Guard Card (BSIS Security Guard)

California Guard Card (BSIS Security Guard) — required for every paid security guard in California. 200 free practice questions for the Power to Arrest & Use of Force exam.

200 questions · 7 study chapters · 4 languages

California CNA (Certified Nursing Assistant)

California's largest entry-level healthcare license — 100,000+ active CNAs in CA. SB 525 raises healthcare minimum wage to $23/hr in June 2026. 200 free practice questions in 4 languages.

200 questions · 8 study chapters · 4 languages

Browse by category

Deepest coverageConstruction & Trades46 exams23 contractor states + NASCLA Finance & Securities168 exams Healthcare & Medical21 exams Beauty & Cosmetology4 exams Food & Alcohol Service6 exams Real Estate & Insurance94 exams Transportation & Auto76 exams Technology & IT27 exams Academic & Entrance110 exams Legal, Security & Civic20 exams

View all 572 exams →

Contractor licensing

Contractor exams — every state with a real exam, covered

Only about 23 states run a true state-level contractor exam. PrepPass covers all 23 — plus the NASCLA exam accepted in ~17 states — with 5,800+ free practice questions, a study guide, and a timed mock for each.

23state exams

5,800+free questions

17states accept NASCLA

All contractor exams →

Find your state

CA FL GA VA NC AZ NV TN SC AL AR LA MS HI NM OR MI MN MA UT WV MD AK NASCLA

CA opens the full CSLB flagship course — video lessons, study-guide book, and practice for Law & Business plus the trade exams.

What's included

Everything you get with a PrepPass exam

Every exam includes free practice, a full timed mock, and a score report. Our flagship courses add a complete study-guide book and video lessons. With the right studying and full mock practice, you can pass on your own — no $400 course required.

Practice questions

Free, with an explanation on every question — no signup to start.

Full timed mock exam

A full-length simulation of the real test — free.

Score & readiness report

See your mock-readiness score and your weak areas by topic.

Online study guide

Flagship

Every exam section explained, free to read online.

Complete prep book

Flagship

The whole guide as a downloadable PDF + EPUB eBook.

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Video course

Flagship

Teacher-style lessons for every exam section — free on YouTube.

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Video

Free video lessons

Teacher-style lessons and full practice tests — free on our YouTube channel. Subscribe to catch every new upload.

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20 Most-Missed Property & Casualty Insurance Questions (2026) | Free Practice Test

Property & Casualty Insurance Exam Practice Test 2026 | 50 Real Questions & Answers

0 Preguntas Mas Falladas — Seguros de Propiedad y Accidentes 2026 | Practica Gratis

20 Preguntas Mas Falladas — Seguros de Vida y Salud 2026 | Practica Gratis

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Study guides

Studying for a big exam? Own the book.

Practice here stays free — the book is the teaching half. Every exam section taught chapter by chapter, in one downloadable PDF + EPUB you can print, tab, and study offline. One-time purchase, yours for life.

Chapter-by-chapter teaching

Print it & tab it

Works offline — phone or e-reader

One-time purchase, lifetime download