About
Localization QA
Stop Guessing About Translation Quality
Professional linguistic quality assurance for AI and human translations in 120+ languages
Translation Quality Challenges You Face
Can't Verify AI Translations
ChatGPT translated your content in minutes. It looks good. But how do you actually know? AI still makes mistakes — wrong terminology, cultural errors, words that don't exist.
What we deliver:
Our native linguists verify your translations.
Domain Expertise Is Missing
Generic translators create expensive mistakes. Legal language is wrong. Gaming slang that sounds cringeworthy. Your industry has specific terminology that matters.
What we deliver:
Subject matter experts with proven credentials who understand your product.
Need Process Certainty
Vendors promise quality but deliver inconsistency. Testing happens too late. Nobody owns the outcome. You're stuck wondering: will this launch succeed or fail?
What we deliver:
ISO-certified workflows with clear checkpoints. Complete transparency and step-by-step guidance.
Complete Localization Quality Assurance for Every Translation Workflow
Detect and fix — with measurable outcomes and a clear improvement plan
Expert Human Review
- Native-speaking linguists with domain expertise
- Technical, legal, gaming experts
- Context-aware quality evaluation
- Cultural fit assessment
- Detailed improvement recommendations
Instant AI-Powered Translation Quality Check
- Instant quality scoring with Alconost.mt
- Terminology verification
- Grammar and syntax analysis
- Free report in seconds
Localization Testing
- Text truncation, overflows, and UI fitting check
- Dates, times, numbers, and currencies formatting validation
- Features full functionality in the target language
Localization Process Analysis
- Assessment of translation workflows for efficiency and accuracy
- Identifying any bottlenecks or errors in the localization process
- Actionable recommendations for optimizing the entire workflow
120+ languages
27k completed projects
3k+ happy customers
20 years in the market
How LQA Works
Detect and fix — with measurable outcomes and a clear improvement plan
01
Consultation & Scope
We start with a free consultation to understand your content, workflow (AI, human, hybrid), and goals to tailor the perfect LQA strategy.
02
Expert Human Audit
Our native speaking linguists with domain knowledge review every word. We check accuracy, fluency, and cultural fit. Our localization managers and engineers check all possible issues in your translation workflow.
03
Report & Action Plan
You receive a detailed report with issue categories, severity levels, and specific recommendations, plus a strategic improvement plan for your overall process.
Our most required LQA use cases
Layout & Display Issues
Text truncation, overlapping elements, broken RTL support.
Formatting Problems
Date, time, currency, and number format inconsistencies.
Context Errors
Incorrect word gender, verb tenses, and grammatical agreements.
Terminology Issues
Inconsistent technical terms and industry-specific vocabulary.
Cultural Mismatches
Inappropriate imagery, colors, or messaging for target markets.
UI/UX Problems
Non-localized interface elements and third-party modules.
Our Work
See how we help global companies scale their reach.
Software
JetBrains
1,000,000+ words localized into JA, ES, ZH-CN, KO, PT-BR, FR, TR, CS, RU
Software
JetBrains / YouTrack & Hub
Localization of Jetbrains' products Youtrack and Hub
Software
Microsoft MakeCode
Localization of Microsoft MakeCode
Mobile Apps
TikTok
100,000+ words localized into NL, FIL, FI, FR, DE, HE, IT, ES, SV, FR-CA, ES-MX for ByteDance
Mobile Apps
Viber
Localization of Viber messenger
Read case study →
Software
GitHub
Translation of GitHub guides and materials
Software
Zendesk
Zendesk Knowledge Base localization for multilingual customer support
Read case study →
Mobile Apps
Airalo
25,000 words localized into AR, ZH-CN, CS, FIL, FR, DE, EL, HE, HI, IT, JA, KO, PL, PT-BR, RU, ES-419, TH, TR, UK
Mobile Apps
Choco
15 000+ words localized into JA, KO, VI-VN, IT, PL, NL, PT-BR, CS, CA, ZH-CN
Websites
Bitrix24
100 000 words and counting localized into ES, PT-BR, JA, ZH-CN and 11 more
E-Learning
Harvard University
Localization of online courses for Harvard University
Games
Xsolla
Localization of Xsolla products
Read case study →
Software
SafetyCulture
5 000–8 000 words per month localized into JA, PL, TH, TA, SV-SE, VI, UK, ID, HI, KO, NO, PT-PT, RO, RU, TR, AR, BN, ZH-CN, ZH-TW, DA, FI, IT, DE, NL, FR, ES-ES, PT-BR, ES-MX
Software
Veriff
12 000 words per month localized into ES-MX, ES-419, SO, SI-LK, VI, SL, SK, SR-CS, RO, PT-PT, PL, MS, MK, LT, LV, JA, HI, DE, KA, FR, FIL, NL, ZH-TW, ZH-CN, CA, BG, BN, ES-ES, PT-BR
Media
Bitrix24 / Voice Responses
into DE, EN, ES, PT-BR, RU, UK
Read case study →
Software
DocuWare
90,000 words localized into 23 languages for cloud & on-premises document management
Games
Gartic Phone
5 000 words localized into JA, AR, TH, CS, ID, FR, DE, ZH-CN, IT, NL, SV, RO, KA, FA, AZ
Software
Bandsintown
Localization of Bandsintown app
Read case study →
Websites
Aviasales
100,000 words localized into 12 languages for flight search platform
Software
Endomondo
10 000 words and counting localized into CS, HI, NO, TR and 12 more
Software
Liferay
Localization of Liferay Platform
Games
BattleTech
Localization of the Battletech game
Games
Goat Simulator
Localization of the Goat Simulator game
Games
Stellaris
Localization of the Stellaris game
Mobile Apps
Movavi
100,000+ words localized into 20+ languages for video editing software
Software
Parimatch
200,000+ words localized into FR, FR-CA, DE, HI, IT, JA, PL, PT, PT-BR, ES, ES-MX, TR for betting platform
Mobile Apps
Prequel
Expanded Top-10 photo editing app to 100M+ Gen Z users worldwide
Mobile Apps
Ultimate Guitar
4,000 words localized into ES with LQA for Muse Group's guitar app
Games
Wildlife Studios
75 000+ localized into FR, DE, IT, KO, RU, TR, PT-BR, ES-MX, UK, RO, AR
Mobile Apps
App in the Air
500,000+ words localized into PT-BR, PT, NL, KO, HI, FR, ES, SV, IT, TR, JA, AR, DE, ZH-CN, ZH-TW
Mobile Apps
Apptweak
100,000 words localized into JA, KO, ZH, FR for ASO analytics platform
E-Learning
Discourse
55,000 words localized into ZH-CN, PT-BR, IT, FR, DE, AR, FI, JA, ES for open-source forum platform
Software
Gcore
100 000+ words localized into ZH-CN, DE, ES, PT-BR
Games
Grand Hotel Mania
100,000+ words localized from RU into 20 languages for hotel simulator game by Deuscraft
Games
IllFonic
IllFonic Inc.
E-Learning
InterSystems
550+ words localized into ES, FR, PT-BR, ZH-CN, JA
E-Learning
Kissflow
140,000+ words localized into IT, TH for low-code/no-code work platform
Games
Klondike
50,000 words localized into DE, ES, IT, FR, PL, NL, JA, KO, ZH-CN, ZH-TW, PT-BR for VIZOR APPS
Software
Clue
Localization of Clue mobile app
Read case study →
Mobile Apps
Dacadoo
100,000+ words localized into 17 languages for digital health platform
Games
My Cafe
400 000 words and counting localized into FR, ES, PT-BR, KO and 6 more
Games
Party Hard
Localization of the Party Hard game
Mobile Apps
Planner 5D
20,000 words localized into 24 languages for home design app
Games
Punch Club
20 000 words localized into ZH-CN, PL
Read case study →
Software
RICOH360 Tours
18 000 characters localized into Japanese –> English, German, French, Spanish, Dutch
Software
Sumsub
7,000 words localized into 28 languages for identity verification platform
Software
Transporeon
50,000 words localized into 18 languages for logistics visibility platform
Websites
Aktiia
21,000 words localized into FR, DE, IT for blood pressure monitoring startup
Mobile Apps
Awarefy
30 000 characters localized into Japanese –> English
Mobile Apps
Baby Tracker
5 000 words localized into ES-LA, PT-BR, DE, UK
Mobile Apps
Circuit
5,000 words localized into 30+ languages for delivery route planning app
Software
CSAT
200 000+ words localized into AR, HE, IT, KO, PL, PT-BR, PT, TR, ZH-CN
Software
Driivz
1 300 words localized into HR, CS, ET, FI, FR, FR-CA, DE, EL, HU, IS, IT, LV, LT, NO, PL, RO, SK, SL, ES-ES, SV
E-Learning
Foodback
50,000 words localized into 12 languages for restaurant feedback platform
Mobile Apps
Gentler Streak
2 000 words per month localized into FR, DE, IT, ZH, ZH-HK, JA, KO
Games
Harvest Land / Paris: City Adventure
200,000+ words localized from RU into 8 languages for Mysterytag games
Games
Harvest Land
2 000 words per month localized into RU → EN, ES, PT-PT, FR, IT, DE, KO, JA, ZH
Games
Hotel Life
12,000 words localized into 10 languages for hotel simulation game by Eidolon
Software
HUB Parking
62,000 words localized into RU for smart parking solutions
Websites
Keenetic
30,000 words localized into PL, ES, FR, DE, SV, PT, IT for Wi-Fi router manufacturer
Games
Charm Farm
Localization of Charm Farm Game
Read case study →
Games
Zombie Castaways
Localization of the Zombie Castaways game
Software
Meisterplan
74,500 words localized into ES, FR, DE for project portfolio management
Mobile Apps
Onde
up to 1 000 words per month localized into SV, RW, DA, SQ, PL, KM, ET, MY, ZH-HANS, FI, DE, LV, HE, NL, HR, SK, NO, LT, IT, TH, SO, ID, IS, UR-PK, ZH-HANT, CS, UK and 10 more
Software
OpenProject
1 000+ words per month, up to 150 000 localized into FR, ZH-CN, ES-ES, IT, PL, PT-PT, PT-BR, KO, UK
Software
Pillow
100,000+ words localized into 13 languages for sleep tracking app by Neybox
Games
Playwing
40 000+ words localized into AF, AR, BN, MY, HR, CS, NL, ET, FR, KA, DE, EL, HU, ID, MS, PL, PT, RU, SK, ES, SV, TH
Games
Clash of Kings
Proofreading of in-game text for Clash of Kings
Read case study →
Software
Soundiiz
15,000+ words localized into 14 languages for music playlist transfer app
Mobile Apps
Speakap
5,000 words localized into DE, NL, ES for employee communication app
Websites
Stripo
25 000 words localized into PT-BR, TR, CS, FR, DE, IT, ES, PL, ZH-TW, NL, SL
Mobile Apps
Sufio
3 000 words localized into FR, DE
Mobile Apps
Tonsser
40,000 words localized into ES-US, PT, SV, DE for football community app
Games
Vizor
into ES-ES, NL, PL, ZH-CN, ZH-TW, PT-BR, IT, KO, FR, DE
Read case study →
E-Commerce
Alvadi
Multilingual SEO for automotive supplier expanding to 30+ markets
Software
BoxHero
10000 localized into ES-419, ZH-CN, ZH-TW
Games
Epic Roller Coasters
4,000 words localized into ZH-CN, FR, DE, JA, KO, RU, ES for VR game by B4T Games
Mobile Apps
Dating Apps Bundle
50,000 words localized into 36+ languages for Red Panda Labs dating apps
Mobile Apps
Face Yoga
2,000 words localized into ES-419, PT-BR for skincare app by Tepluhab
Games
Forest Bounty
10,000 words localized from RU/EN into ES, FR, PL, PT-BR for VigrGames
Software
HUD App
10,000 words localized into 18 languages for dating app
E-Commerce
DreamCommerce
Localization of DreamCommerce Platform
Read case study →
E-Learning
Jooble
10 000 words localized into ES, PT, KO, JA and 11 more
Read case study →
Software
Smarty CRM
Localization of Smarty CRM platform
Read case study →
Software
Targetprocess
Localization of Targetprocess platform
Games
Mahjong Treasure Quest
30 000 words localized into EN → JA, MTPE: EN → PL, NL, KO, ZH-CN, ZH-TW, DE, FR
Websites
Primagest
80 000 characters localized into JA → EN, ZH
Software
Raymy
80 000 characters localized into Japanese –> English, Chinese (traditional),Vietnamese, Hindi
E-Commerce
Sana Commerce
Bi-weekly B2B e-commerce platform updates in 22 languages
Games
Swappy Dog
25,000 words localized from RU into 19 languages for match-3 game by Funmatica
Mobile Apps
Swoo
30,000 words localized into ES, IT, PT for digital wallet app by CARDS/MOBILE
Games
EnjoyGaming
500 words per month localized into DE, ES, FR, HI, IT, JA, KO, PT, PT-BR, RU, SV, TR, UK
Software
2Solar
10,500 words localized into DE for solar software platform
Software
24 Hour Home Care
2,590 words localized into ES-419 for healthcare staffing company
Software
ActiveMap
18 000 words localized into AR
E-Learning
Adizes Institute
5,850 words localized into HE for leadership consulting platform
E-Learning
AI Chat Smith
1 500 words per month localized into ES, JA, RU, ZH, DE, FR, PT-BR
Media
Alice VR
8 phrases localized into CA, EN, ES, RU
Read case study →
E-Learning
Appewa
100+ words localized into 20 languages for language learning app by Lithium Lab
Games
Associations
3 000 words localized into TR, PL, SV-SE, NO, DA, CS, SK, HU, JA, KO, and 7 more
Software
Aviloo
5,000 words MTPE from DE into DA, NL, FR, IT, SV, NO for EV battery diagnostics
Read case study →
Games
Berry Factory Tycoon
1 500 words every two months localized into RU → EN, KO, JA
Websites
BestChange
2 000 words per month localized into NL, PL, SV
E-Learning
Blink
32 300 words localized into FR
Games
Bunny Boom
3 000 words localized into DE, ES, FR, IT, JA, KO, PT-BR
Media
Life is Feudal
Character voiceovers for Life is Feudal: Your Own
Read case study →
Media
Cosmos VR
2 000 words localized into CA, DE, EN, ES
Read case study →
Mobile Apps
Darksy Cleaner
1,400 words localized into 9 languages for iOS photo cleaner app
Games
Days After
500 words every 1.5 months localized into RU → EN, PT-BR, ES; EN → DE, FR, KO, AR, ZH-TW, ZH-CN, NO, PL, TH, CS, JA and 10 more languages on demand
Software
Dople
11 500 characters with space localized into KO → JA
Websites
eSIM Provider
around 30 000 words when requested localized into SQ, AR, HU, IT, IS, NL, FR, DE
Games
EXR
12 000 words localized into ES, FR
Software
GoodCrypto
2 000 words per month localized into AR, ZH, FR, DE, ID, IT, KO, PT-BR, ES, TR, VI
Games
Haiku
10 000+ words localized into ES-419, PT-BR, DE, JA, ZH-CN
E-Learning
Impulse
Impulse - Brain Training
Games
IQ Dungeon
IQ Dungeon - Riddle Solving RPG
Games
Knights and Brides
Knights & Brides
E-Learning
Lexilize
7 000 words localized into FR
Games
Darklings
1 000 words localized into JA, ZH, ES, RU, IT, FR, DE, PT, KO
Games
Kill Shot Bravo
Localization of Kill Shot Bravo
Games
Next Stop
7 500 words localized into FR, DE, EN, JA
Games
EcoCity
Localization of the EcoCity game
Games
Forced Showdown
Localization of the Forced Showdown game
Games
Minion Masters
Localization of the Minion Masters game
Games
Outpost Zero
Localization of the Outpost Zero game
Games
Streets of Rogue
Localization of the Streets of Rogue game
Games
Tamadog
Localization of the Tamadog game
Games
Valentine's Day
into DE, FR, IT, ES, PT-BR
Games
Mimic Logic
13 000 characters localized into JA → EN, ZH-CN
Games
Mini Golf 100+
10 000 characters localized into Japanese –> English, German, French, Spanish, Korean, Chinese (tw), Chinese (zh), Portuguese (Brazil)
Games
Mini Mini Farm
8 500 characters localized into Japanese –> English
Games
mod.io
500 words localized into ZH-TW, ZH-CN, DE, IT, JA, KO, PL, RU, ES
Websites
MySignature
1 500 words per month localized into IT, FR, NL, FI, PL, DE, ES, PT
Games
Parasite Days
70 000 characters localized into Japanese –> English
Software
PDIS
2 346 characters with space localized into KO → EN
E-Learning
PosterMyWall
1 000 words per month localized into ZH-HANS, DA, NL, FR, DE, ID, IT, PL, PT, RU, ES, TH
Software
Prospre
7 000 words localized into ZH-CN, FR, DE, IT, JA, PT-BR, ES-419
Games
Ruins Magus
38 000 characters localized into Japanese –> English
Games
Samedi Manor
2,000 words localized from RU into 7 languages for idle game by Black Caviar Games
E-Learning
Soltec Health
17 000 words per 6 months localized into JA
Software
Soma Development
8 000 words localized into AR, ZH-CN, FR, DE, ID, IT, JA, PT, RU, VI, ES-419
Games
Sonnet of Wizard
224 261 characters localized into Japanese –> English
Websites
Sportplus
800 words localized into AR, HI
Games
Hotel Project
3,622 words localized into PT-BR for merge game by Next Epic
Software
Tovie AI
4,800 words localized into ES, PT-BR for conversational AI platform
Software
Ultight
5 046 characters with spaces localized into KO → EN
Games
Underground Waifus
4 300 words localized into JA, ZH-CN, KO, FR, IT, DE
Software
UNNI
15 000 words per month localized into TH
Games
Vlad & Niki
15,000 words localized into 10 languages for kids claymation game by RUD present
Media
Kerish Doctor
Voiceovers for the Kerish Doctor software
Read case study →
Software
Welcome Bot
2 000 words localized into UK, LT, AR, ES, FR, DE, PT, IT, PL, HE, ID, TR, HI, VI, MS, TH, CS, NL
Media
WRD
WRD – Learn Words App Voiceover
Read case study →
Games
Azur Games
200 – 500 words per order localized into ID, PL, IT, TR, ZH-CN, ZH-TW, KO, PT-BR, JA, FR, ES, DE, TH, HI
Software
Conf.app
4,500 words localized into IT, ZH-CN, PT-BR, DE, ES for event management app
Software
Character Bank
Localization for Character Bank software platform
Software
Coffee Break
Localization for Coffee Break software platform
Software Google
Localization for Google
Software
GROOVE
Localization for GROOVE X
Software
Hakali
Localization for Hakali
What You Get with LQA by Alconost
Confidence in Quality
Objective quality scoring using ISO 5060:2024 standard. Seven error dimensions with severity ratings. Data-driven results, not subjective opinions.
Better UX & Retention
We test in your actual app, website, or game. Catch UI truncation, layout breaks, and context errors that file reviews miss.
Brand Trust & Consistency
Engineers review technical docs. Industry professionals check content. Gamers test gaming localization.
Optimized Localization Process
Automated checks catch technical errors. Human experts validate cultural fit and nuance. Best of both worlds.
Actionable Insights
Not just error lists — get improvement plans, process recommendations, and prevention strategies for future projects.
Lower Risk, Less Rework
Catch issues early to avoid costly fixes, bad reviews, or compliance risks.
Our Clients Love Us
In all the years Vizor and Alconost have been working together, we've never had quality problems. I feel confident they'll never let us down.
To be honest, I was very surprised at the quality of the work considering the time and cost. I had heard that the value for money of the localization services was very good, but it was actually much better than I expected. I would definitely work with Alconost again; in fact, I am recommending them to colleagues in the industry.
Frequently Asked Questions
Can you validate AI translations from ChatGPT or DeepL?
Yes, we specialize in validating AI translation output. We identify common AI errors like literal translations, terminology inconsistencies, cultural mistakes, and invented phrases. Our reports show exactly which segments are launch-ready and which need human refinement.
Do you validate existing translations from other vendors?
Absolutely. We provide independent quality assessment regardless of translation source — previous vendors, in-house teams, AI tools, or freelancers. Our objective evaluation helps you understand current quality levels and make informed decisions about your localization partners.
How long does an LQA review take?
On average, it takes around 1–3 business days and about 2–4 hours in total for the review, rebuttal, and final scoring stages. However, the timeline may vary on a case-by-case basis. We can accommodate urgent requests.
What deliverables do we receive?
You receive a detailed report including: issue categorization by severity (critical, major, minor), specific examples with corrections, statistical quality metrics, root cause analysis, and an actionable improvement plan. For LQT, we also provide annotated screenshots and can log issues directly in your tracking system.
What if you find major quality problems?
We provide clear reports showing exactly what's wrong, why it's problematic, and how to fix it. You decide whether to have the original translator fix issues, use our translation services for corrections, implement fixes in-house, or re-translate problematic sections.
Which languages do you support?
We provide LQA services for over 100 languages, including all major European and Asian languages, RTL languages (Arabic, Hebrew, Farsi), and emerging markets. Our network includes native-speaking experts for each language with relevant domain expertise.
Can you work with our existing style guides and glossaries?
Absolutely. We incorporate your existing style guides, glossaries, translation memories, and brand guidelines into our review process. If you don't have these resources, we can help create them based on our findings to ensure consistency in future translations.
Can you work with our existing tools and platforms?
Absolutely. Our team is proficient with a wide range of CAT tools, translation management systems (TMS), and bug-tracking platforms. We are flexible and can seamlessly integrate into your existing workflow, whether that means working directly in your systems or providing reports in a format that's easy for you to import and use.
Do you offer ongoing quality monitoring?
Yes, we offer continuous LQA programs for companies with regular localization needs. This includes periodic reviews, quality trending reports, and proactive recommendations to maintain and improve translation quality over time.
How do you ensure reviewer expertise in our industry?
We maintain a database of linguists categorized by their areas of specialization. When you submit a project, we match it with reviewers who have proven experience in your industry. For technical content, we ensure reviewers have relevant educational backgrounds or professional experience.
What industries do you specialize in?
Your content is reviewed by specialized linguists with deep industry expertise. We cover a wide range of industries, including:
- Advertising & Marketing
- Aerospace & Aviation
- Automotive
- Biotech & Pharmaceuticals
- Consumer Electronics & Hardware
- E-Commerce & Retail
- Education & E-Learning
- Financial Services & Banking
- Games & Entertainment
- Healthcare & Medical Services
- Hospitality & Tourism
- IT & Software Development
- Legal Services
- Manufacturing
- Media & Content Creation
- Telecommunications & Messaging
- Transportation & Logistics
What do you need to get started?
To start, we typically need the source text, the translated text, and any reference materials you have, such as a glossary, style guide, or translation memory (TM). For a more comprehensive review, providing context (like screenshots or access to the app) is highly beneficial. During our initial consultation, we'll determine the exact materials needed for your specific project.
Ready to ensure your translation quality?
Tell us about your project. We'll share a tailored LQA plan and pricing.
Get Started
Request a Quote
Whether you're launching in new markets or scaling existing localization — let's make it happen.
Read our 151 reviews
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4.2 (17 Reviews)
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Globalization and Localization Association
American Translators Association
Services
Translation & Localization
360° Localization Full-stack localization Software & Product Localization Marketing & Content Translation SEO, ads, SMM Game Localization Website Localization 24/7 On-Demand Human TranslationMedia & DTP
Audio & Video Localization Transcribing, subtitling Desktop PublishingQuality & Process
Service Levels & Pricing Languages, project planning, workflows Machine Translation Post-Editing (MTPE) Human and AI Localization Testing & QA Functional, linguistic, cultural Localization QA Proofreading & Editing Cultural Analysis Vendor Management Outstaffing, full-stack teams, mixed Asset Management Glossaries, TM, style guidesOur Work
By Platform
Mobile iOS & Android Web Apps Desktop Software PC Gaming Steam, Epic, GOG Game Consoles PlayStation, Xbox, NintendoBy Content Type
UI/Software Strings Game Content Dialogue, quests, items Video & Audio Subtitles, voiceover E-commerce Product listings, catalogs Technical Documentation Manuals, API docs Marketing & Web Ads, SEO, websites Support Help center, KB, FAQ Training E-learning, explainer videos Legal Terms of service, privacy Finance Reports, banking HR Internal communicationsBy Industry
Gaming Technology & SaaS Mobile Apps E-Learning & Education Media & Entertainment Automotive Customer Support Healthcare Travel & Hospitality Sports & Fitness Logistics Finance & Banking Telecommunications E-Commerce Food & Beverage IoT & Hardware Marketing & Advertising Real Estate Energy & Sustainability Legal ManufacturingTechnology