Translation and Interpretation Languages
Browse every language Texliff supports for certified translation, on-site interpretation, video remote interpretation and phone interpretation.
Drop files to translate
Browse files
PDF, Word, Excel, images and more
Get my translation quoteMost requested
Popular languages — with the most demand.
These are the languages we book and translate most frequently across U.S. courts, hospitals, USCIS filings and corporate clients. Each card carries a live supply tier — from Tier-1 (staffed daily) to sourced rare languages.
Spanish
Español
Tier 1Spanish is the second-most-spoken language in the United States and the most-requested language pair for translation and interpretation. More than 41 million U.S. residents speak Spanish at home, and demand spans immigration filings, healthcare, schools, courts and every consumer industry.
41M+
U.S.
Indo-European
Family
Latin
Script
Chinese (Mandarin)
普通话
Tier 1Mandarin is the official spoken language of mainland China, Taiwan and Singapore and the world's most-spoken first language. It is the default Chinese for U.S. interpretation bookings unless the client specifically requests Cantonese.
3.5M+
U.S.
Sino-Tibetan
Family
Chinese (Simplified / Traditional)
Script
Arabic
العربية
Tier 1Arabic is one of the UN official languages and the liturgical language of Islam. Modern Standard Arabic (MSA, فصحى) is used for all formal writing, while more than 20 regional spoken dialects vary widely in intelligibility.
1.2M+
U.S.
Afro-Asiatic
Family
Arabic (RTL)
Script
Russian
Русский
Tier 1Russian is a Slavic language with roughly 250 million speakers across the former Soviet space. In the U.S. it is spoken by communities of Russian, Ukrainian, Belarusian, Moldovan, Uzbek, Kazakh and Central-Asian origin who share Russian as a lingua franca.
900k+
U.S.
Indo-European
Family
Cyrillic
Script
French
Français
Tier 1French is an official language of France, Belgium, Switzerland, Luxembourg, Monaco, Canada and most of West and Central Africa. More than 300 million people speak French worldwide and variant-specific expertise materially affects accuracy.
1.2M+
U.S.
Indo-European
Family
Latin
Script
Portuguese
Português
Tier 1Portuguese is the official language of Brazil, Portugal, Angola, Mozambique, Cape Verde, Guinea-Bissau, São Tomé & Príncipe and Timor-Leste. Brazilian Portuguese accounts for ~80% of U.S. demand; European Portuguese is distinct in spelling, grammar and vocabulary.
1.4M+
U.S.
Indo-European
Family
Latin
Script
Korean
한국어
Tier 1Korean is the official language of South Korea and North Korea and is spoken by about 80 million people worldwide. Its honorific system encodes strict social hierarchy and meaningfully affects interpretation.
1.1M+
U.S.
Koreanic
Family
Hangul
Script
Vietnamese
Tiếng Việt
Tier 1Vietnamese is the official language of Vietnam, with about 85 million speakers. It is tonal and written in the Latin-based quốc ngữ alphabet with diacritics.
1.5M+
U.S.
Austroasiatic
Family
Latin
Script
Haitian Creole (Kreyòl ayisyen) is a French-based creole spoken by ~12 million people, co-official with French in Haiti. It is a fully developed language with its own orthography (IPN) standardised in 1979 — not a French dialect.
900k+
U.S.
French-based creole
Family
Latin (IPN orthography)
Script
Polish
Polski
Tier 1Polish is a West Slavic language with about 45 million native speakers. It uses a Latin-based alphabet with diacritics and is grammatically complex (seven cases, aspectual verbs).
600k+
U.S.
Indo-European
Family
Latin
Script
Tagalog
Tier 1Tagalog is the basis of Filipino, the national language of the Philippines. In the U.S. it is the fourth-most-spoken non-English language. Filipino speakers are typically fully bilingual English-Tagalog but often require Tagalog for elderly family members and informal registers.
1.7M+
U.S.
Austronesian
Family
Latin
Script
Hindi
हिन्दी
Tier 1Hindi is an Indo-Aryan language written in Devanagari and the most-spoken first language of Northern India, with around 340 million speakers. In formal U.S. contexts Hindi is often paired with Punjabi, Gujarati, Bengali or Tamil depending on the speaker's home region.
900k+
U.S.
Indo-European
Family
Devanagari
Script
Japanese
日本語
Tier 1Japanese is the official language of Japan with about 125 million speakers. It uses three writing systems (hiragana, katakana, kanji) and has strict honorific (keigo) registers that materially affect translation and interpretation.
460k+
U.S.
Japonic
Family
Kanji + Kana
Script
Urdu
اردو
Tier 1Urdu is the national language of Pakistan and a scheduled language of India. It shares syntax with Hindi but uses Perso-Arabic script and draws vocabulary from Persian and Arabic for formal registers.
500k+
U.S.
Indo-European
Family
Perso-Arabic (Nastaʿlīq)
Script
Ukrainian
Українська
Tier 1Ukrainian is the official language of Ukraine and a distinct Slavic language, not a dialect of Russian. Demand in the U.S. has grown significantly since 2022 driven by the Uniting for Ukraine (U4U) humanitarian parole programme.
350k+ (post-2022 +150k)
U.S.
Indo-European
Family
Cyrillic
Script
Browse by family
Grouped the way linguists see them.
Language family tells you which scripts, conventions and sibling languages we also cover — useful when filing paperwork from a cross-border family or sourcing an interpreter for a specialized assignment.
Romance
7Latin-rooted languages of Europe and the Americas
Germanic
9Northern and Western Europe, Yiddish, Afrikaans
Slavic
12Eastern Europe and post-Soviet languages
Sino-Tibetan
5Mandarin, Cantonese, Burmese and Tibetan
Full directory
All languages — A to Z.
86 languages across translation and interpretation. Jump to a letter:
Certified translation in any language
Every document ships with a signed Certificate of Translation Accuracy on our letterhead, accepted by USCIS, U.S. courts, state agencies and consulates abroad. Each package is formatted for the exact recipient that will receive it.
Interpretation — on-site, video and phone
Court-certified and medically credentialed interpreters, dispatched on-site or connected in under a minute by phone. HIPAA-aligned VRI for clinical settings, simultaneous booths for conferences and depositions.
Coverage by state
Certified Translation and Interpretation across all 50 states.
On-site interpreters in every major metro, certified translations accepted by every USCIS office, court and state agency nationwide. Pick your state to see language coverage and service details.
Can't find your language?
Tell us what you need — we cover more.
Our linguist network extends well past the directory. If your language is not listed, describe your matter and we will source a qualified translator or interpreter.