AI localization tools with an API

Figure and bar: visits/mo, estimate · year: online since

1. #1D

   DeepL

   Translates text, documents, and voice across languages with real-time voice preservation and API integration.

   74.6M
   From ≈ $8.41/user/mo
   2017
2. #2P

   PolytranslatorMCP · sign-in

   Translates text, speech and whole PDF, Word or Excel files between about 475 languages, including ancient and regional dialects.

   1.8M
   Active
   From $19.99/mo
3. #3S

   SmartlingMCP · sign-in

   Orchestrates translation and localization workflows combining AI translation with human linguists and integrations to 50 platforms.

   529k
   Active
   From $0.01 per use
   2009
4. #4C

   Crowdin

   Manages translation workflows and syncs localized content across software, websites, games, and marketing materials.

   105k
   Active
   From $50/mo
   2009
5. #5L

   Lokalise

   Manages translation workflows, applies brand terminology to translations, and deploys content across markets.

   75.9k
   From $149/mo
   2017
6. #8B

   Belin DocMCP · sign-in

   Translates uploaded PDF, DOCX, EPUB and other document files into a chosen target language while keeping tables, images and formulas in place.

   14.8k
   Active
   From $1.50/mo
7. #12N

   Nitro Translate

   Connects your systems to human translators across 80 languages via API or web interface.

   1.4k
   Pay per use
   2009
8. #14D

   DecreeMCP · sign-in

   Searches English translations of Omani legal texts, answers questions over them, and checks company risk via an API.

   658
   Active
   Contact sales
9. #19L

   LangblyMCP · sign-in

   Translates text through an API that keeps HTML tags intact and caches repeated requests for one hour.

   121
   Active
   From $5 per use
   2026
10. #22P

    po-file.com

    Translates GNU gettext PO and POT localization files across 50 languages without signup.

    46
    Active
    From ≈ $5.56/mo
11. #23E

    eVerbaryMCP · sign-in

    Takes document translation orders online, returns DOCX files with an optional signed certificate of accuracy, and exposes a REST API with webhooks.

    39
    Active
    From $24.95 per use
    2020
12. #25M

    MultiLocaleMCP · open

    Manages translation files for native and web apps with machine and human translation support.

    22
    Active
    From $19/mo
13. #26L

    Lingo.devMCP · open

    Translates application content using language models and native speakers, with quality scoring and continuous localization pipelines.

    19
    Active
    From $99/mo
14. #28E

    Ekit Studio

    Models multilingual content in tables and publishes as server-rendered sites or via REST API with AI translation.

    12
    Active
    From $19/mo
15. #30E

    Ellon AI

    Translates documents across 200 language pairs while preserving formatting, with optional human certification.

    11
    Active
    From $19/mo
16. #38D

    Doc Translator

    Translates documents, images, and subtitles while preserving original formatting and layout.

    3
    From $4.90/mo
17. #39I

    i18n AgentMCP · sign-in

    Translates app strings in JSON, YAML, XML and other files via an MCP server usable from Claude Code, Cursor and VS Code.

    3
    Active
    2024
18. #48Q

    Qaafai

    Translates Islamic texts and transcribes lectures while preserving Quranic verses and hadith in Arabic.

    1
    Maintained
19. #49A

    AI-TranslatorsMCP · sign-in

    Translates pasted text, uploaded PDFs and Word files, and video subtitles into 100 languages.

    1
    Active
    From ≈ $4.49/mo
20. #52T

    TransLangPro

    Translates documents across 138 languages while preserving layout, fonts, tables, and formatting in the original file.

    38 linking domains
    Maintained
    From $5.99/mo
21. #54T

    TranslateAI

    Translates and generates product catalog content for e-commerce marketplaces from Excel files.

    38 linking domains
    Free plan
22. #59V

    VALSEA

    Routes multilingual speech to the best engine per language and accent, returning transcripts and translations through one API.

    32 linking domains
    Active
    From $5/mo
23. #61H

    Hitoo

    Translates voices in real-time across languages during live calls and meetings.

    25 linking domains
    Active
    2025
24. #63T

    TranscriptYT

    Returns full transcripts, subtitles and translations from public YouTube videos through an API and an MCP server.

    22 linking domains
    Active
    From $3/mo
25. #67M

    MasnaviMCP · open

    Sets Rumi's Masnavi beside its translations and answers questions by quoting cited verses from the text.

    Little sign of use
    Active
26. #68W

    Where AI meets enterprise softwareMCP · sign-in

    Translates natural-language requests from AI assistants into Shopify admin operations through an MCP server.

    Little sign of use
    Active
    From $99/mo
27. #69A

    Agent Revenue NetworkMCP · open

    Charges per call in USDC over x402 for tools that translate text, profile JSON datasets, diff and validate structured data.

    Little sign of use
    Active
    Pay per use
28. #70A

    Agent Traffic LabMCP · open

    Sends search, extraction, summarizing, translation and classification jobs from agents to an eligible AI provider, with bounded failover and logged outcomes.

    Little sign of use
    Active
29. K

    KamaanMCP · sign-in

    Hosts blogs for several products in one account, translates posts on publish, and serves them to your frontend over a REST API.

    25
    Active
    From $19/mo
30. S

    SynapticRelayMCP · sign-in

    Board where freelancers and clients post offers and requests, auto-translated across six languages, with agents able to search and message for users.

    1
    Active