# Tools

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Type CLI, Resources for Translation / L10n: 45 items.

> Translating documents and software, localization and multilingual QA.

- [PDFMathTranslate](https://hebbmind.com/es/cli/pdfmathtranslate.md): [CLI] Translates full PDF papers while preserving formulas, charts and layout (command pdf2zh), outputting monolingual and side-by-side bilingual PDFs. Uses Google Translate by default and can switch to DeepL, OpenAI and others; also runs as an MCP server.
- [pyVideoTrans](https://hebbmind.com/es/cli/pyvideotrans.md): [CLI] All-in-one video translation and dubbing: chains speech recognition, subtitle translation, multi-speaker AI voiceover and audio-video muxing, with local or online models like Faster-Whisper, DeepSeek and Edge-TTS. cli.py supports headless batch runs. Needs FFmpeg.
- [Harper](https://hebbmind.com/es/cli/harper.md): [CLI] Automattic's offline English grammar checker: checks spelling, grammar and word choice locally in milliseconds without sending your text anywhere. Homebrew installs harper-cli for batch-checking files (still experimental) and harper-ls for editors. English only.
- [VideoCaptioner](https://hebbmind.com/es/cli/videocaptioner.md): [CLI] CLI version of the VideoCaptioner subtitle assistant: transcribes courses, lectures and interviews, uses an LLM to segment, proofread and translate, then burns subtitles into the video. Free ASR and Bing translation work out of the box; LLM refinement needs an API key. Python 3.10 to 3.12.
- [LanguageTool](https://hebbmind.com/es/cli/languagetool.md): [CLI] Open-source grammar, spelling and style checker for 20+ languages including English, German, French, Spanish and Portuguese. Proofread drafts in bulk from the CLI or run a local HTTP checking server for agents. For writers, translators and language teachers. Needs Java 17 (Homebrew includes it).
- [Manga Image Translator](https://hebbmind.com/es/cli/manga-image-translator.md): [CLI] Batch-translates text in manga, posters and screenshots with one command: detects text, runs OCR, erases the original and typesets the translation back into the image. Japanese-focused, with 20+ languages supported. Install from source (Python 3.10+); offline models, DeepL or LLM APIs.
- [InkOS](https://hebbmind.com/es/cli/inkos.md): [CLI] Writing agent for novels, scripts, interactive fiction and long-form translation, with CLI, TUI and web workspace. Tracks worldbuilding, characters and foreshadowing, reviews and revises drafts, and works as a skill for other agents. Needs Node.js 22.16+ and a model API key such as Kimi or DeepSeek.
- [OpenCC](https://hebbmind.com/es/cli/opencc.md): [CLI] Open-source Simplified/Traditional Chinese converter: deterministic dictionary-based conversion (no LLM) covering variant characters and regional vocabulary for mainland China, Taiwan and Hong Kong, with limited Japanese kanji support. Runs offline; CLI plus Node.js and Python APIs.
- [Bilingual Book Maker](https://hebbmind.com/es/cli/bilingual-book-maker.md): [CLI] Uses LLMs to translate EPUB, TXT, Markdown, SRT, PDF and other files into side-by-side bilingual editions, via OpenAI, Anthropic, Gemini and other APIs or DeepL and Google Translate. LLM APIs need your own key or a Codex subscription. Only translate content you have rights to.
- [BabelDOC](https://hebbmind.com/es/cli/babeldoc.md): [CLI] PDF translation CLI for research papers that preserves formulas and layout as much as possible, producing bilingual side-by-side or translation-only PDFs. Needs an OpenAI-compatible API (local Ollama works too); currently focused on English to Chinese.
- [Video-subtitle-extractor](https://hebbmind.com/es/cli/video-subtitle-extractor.md): [CLI] Extracts subtitles burned into videos to SRT or TXT, with all OCR done locally in 87 languages. Mainly a GUI (with batch mode); the CLI backend/main.py reads the video path and subtitle area from stdin. Needs Python 3.12+ and PaddlePaddle; paths cannot contain spaces or Chinese characters.
- [FFsubsync](https://hebbmind.com/es/cli/ffsubsync.md): [CLI] Automatically aligns subtitle timing to a video's audio track, fixing translated subtitles that drift out of sync, or syncs against an already aligned subtitle file. Runs locally with no account; install Python and FFmpeg first.
- [Argos Translate](https://hebbmind.com/es/cli/argos-translate.md): [CLI] Open-source offline machine translation built on OpenNMT, usable as a CLI, Python library or GUI. Download language packages as needed; when no direct model exists it pivots through an intermediate language. Suits text you would rather not upload to the cloud.
- [Lingo.dev CLI](https://hebbmind.com/es/cli/lingo-dev.md): [CLI] Lingo.dev's official CLI: lingo push sends JSON, YAML, Markdown, PO, XLIFF, Android/Xcode strings and other files from your repo to its LLM localization engine, and lingo pull brings translations back; CI-ready. Needs a Lingo.dev account; usage-based pricing with a free sandbox.
- [proselint](https://hebbmind.com/es/cli/proselint.md): [CLI] English prose linter that turns usage guides such as Garner's and advice from great writers into rules, flagging clichés, redundancy, bad comparisons and usage errors line by line, with JSON output for agents. Runs locally with Python; English only.
- [textlint](https://hebbmind.com/es/cli/textlint.md): [CLI] Pluggable natural-language linter that checks Markdown and plain text for wording, punctuation and terminology consistency like code, with auto-fix, and can also run as an MCP server. Rules are installed separately, mostly for Japanese and English; requires Node.js 20+.
- [PDFMathTranslate-next](https://hebbmind.com/es/cli/pdfmathtranslate-next.md): [CLI] PDFMathTranslate 2.x (command pdf2zh_next), built on BabelDOC: translates papers and other PDFs while keeping formulas, charts, TOC and annotations, outputting translated and bilingual side-by-side versions. Uses a free translation channel by default, or your own OpenAI, DeepSeek or other API key.
- [LinguaGacha](https://hebbmind.com/es/cli/linguagacha.md): [CLI] LLM translator for novels, subtitles, ebooks and game text: one-click glossaries keep names consistent and translations get auto-reviewed. Besides the desktop app it has a CLI (translate/analyze, JSONL status). Download from Releases and bring an LLM API; commercial use needs the author's OK.
- [Translate Books with LLMs](https://hebbmind.com/es/cli/translatebookswithllms.md): [CLI] Translates whole EPUB books, Word files, SRT subtitles and TXT with local Ollama or cloud LLMs (OpenAI, Gemini, DeepSeek), keeping layout and timings. Builds a glossary for consistent terms and can resume jobs. Mainly a desktop app; the CLI runs from source; cloud models need an API key.
- [i18n-tasks](https://hebbmind.com/es/cli/i18n-tasks.md): [CLI] Translation management for Ruby/Rails: statically analyzes code to find missing and unused keys, normalizes locale files, fills gaps via Google Translate, DeepL or OpenAI, and exports CSV for translators. Requires the i18n gem (Rails default) and Bundler; machine translation needs an API key.
- [Languine](https://hebbmind.com/es/cli/languine.md): [CLI] AI localization: deploy the server to your own Vercel account (Postgres and AI Gateway included; enable deployment protection afterwards), then run npx languine@selfhosted translate to translate locale files with LLMs. A GitHub Action can open PRs. Needs a Vercel account and Node.js.
- [Auto Synced & Translated Dubs](https://hebbmind.com/es/cli/auto-synced-translated-dubs.md): [CLI] Translates a video's SRT subtitles into other languages and generates AI voice lines synced to the timings, producing translated subtitles and dubbed audio tracks. Needs Python, FFmpeg and Google Cloud, Azure, DeepL or ElevenLabs API keys; configure the ini files, then run python main.py.
- [AutoCorrect](https://hebbmind.com/es/cli/autocorrect.md): [CLI] Fixes spacing and full-width/half-width punctuation in mixed CJK and English text, understanding 28+ file types including Markdown, YAML and strings and comments in source code. Lint mode outputs a diff or JSON for CI checks on localized copy.
- [fanyi](https://hebbmind.com/es/cli/fanyi.md): [CLI] Chinese-English translation and word lookup in the terminal: one command shows definitions, phonetics and examples from iCiba, Youdao and an LLM. No API key needed (built-in free LLM proxy), or use any OpenAI-compatible model. Needs Node.js 20+; queries are sent to these online services.
- [sacreBLEU](https://hebbmind.com/es/cli/sacrebleu.md): [CLI] The standard machine translation scorer: computes BLEU, chrF and TER with significance tests and downloads public test sets such as WMT, to compare engines or prompts. Needs Python 3.9+ and reference translations; automatic metrics are a rough screen, so final copy still needs human review.
- [Subtitle Translator](https://hebbmind.com/es/cli/subtitle-translator.md): [CLI] Batch-translates SRT, ASS, VTT and LRC subtitles, handling a whole season at once, with bilingual output and 120+ languages. The default free translation API needs no setup, or connect DeepL or various LLMs. The CLI runs from a cloned repo with yarn and needs Node.js 24+.
- [General Translation CLI](https://hebbmind.com/es/cli/generaltranslation-cli.md): [CLI] General Translation's gt CLI: a wizard sets up i18n for React, Next.js and similar apps, then sends UI strings and JSON, YAML or Markdown files for AI translation and writes them back, with CI support. Needs a Node.js project and a General Translation API key (free sign-up, usage-based pricing).
- [Translate Toolkit](https://hebbmind.com/es/cli/translate.md): [CLI] Open-source toolkit widely used in localization: converts between PO, XLIFF, TMX, CSV, subtitle and other translation formats, counts words, runs 40+ translation checks with pofilter and extracts frequent terms with poterminology. Needs Python 3.11+.
- [COMET](https://hebbmind.com/es/cli/comet.md): [CLI] Unbabel's machine-translation quality metric: comet-score rates translations per sentence and overall, XCOMET marks error spans and severity, and CometKiwi works without a reference. Good for spot-checking MT. Needs Python 3.8+; models download from Hugging Face, some need a license; GPU helps.
- [LLM-Subtrans](https://hebbmind.com/es/cli/llm-subtrans.md): [CLI] Uses an LLM to translate SRT, ASS and VTT subtitles into any language in batches, convert formats and transcribe audio or video. Install the CLI from source (Python 3.10+); needs an API key (e.g. OpenRouter) or a local model, and subtitles go to that provider.
- [Co-op Translator](https://hebbmind.com/es/cli/co-op-translator.md): [CLI] Microsoft Azure's official tool for translating Markdown, Jupyter notebooks and image text into 50+ languages; re-translates only changed parts and keeps links and formatting. Needs Python 3.11+ and an Azure OpenAI, OpenAI or Anthropic key; images need Azure AI Vision.
- [Subaligner](https://hebbmind.com/es/cli/subaligner.md): [CLI] Automatically aligns subtitles to audio and video with a neural network, and can transcribe subtitles with Whisper or translate them with local models; supports 10+ formats such as SRT, TTML and SCC. Needs Python 3.9-3.12 and FFmpeg; transcription and translation need the llm extra.
- [ChatGPT Subtitle Translator](https://hebbmind.com/es/cli/chatgpt-subtitle-translator.md): [CLI] Translates SRT subtitles or plain text in batches through any OpenAI-compatible API, stripping timestamps and other overhead to save tokens, keeping output line-aligned with the source, and resuming interrupted jobs. Needs Node.js 20+, a source install and an OpenAI API key or local Ollama.
- [attranslate](https://hebbmind.com/es/cli/attranslate.md): [CLI] Offline translation sync for coding agents: hands only new strings in JSON, YAML, PO, CSV and other locale files to the agent for translation and never overwrites human-edited translations, saving tokens. Needs Node.js; calls no translation API itself.
- [Crowdin CLI](https://hebbmind.com/es/cli/crowdin-cli.md): [CLI] Crowdin's official CLI: push source files and pull translations back in place, track progress, manage glossaries and TM, and run machine or AI pre-translation, with JSON output for agents. Needs a Crowdin account (free trial; free for open source) and a token; crowdin init sets up config.
- [i18next CLI](https://hebbmind.com/es/cli/i18next-cli.md): [CLI] i18next's official CLI: finds hard-coded strings in JS/TS code, extracts translation keys, checks which locales are missing entries and syncs locale files; init --yes sets up non-interactively, and a bundled agent skill guides app internationalization. Needs a Node.js project using i18next.
- [GEMBA](https://hebbmind.com/es/cli/gemba.md): [CLI] Microsoft Translator's translation quality tool: GPT scores each sentence using MQM error categories or a direct score; --list_mqm_errors shows error types and severity. Needs line-aligned source and target files, Python and an OpenAI or Azure OpenAI key (paid); a translator should still review.
- [Lokalise CLI v2](https://hebbmind.com/es/cli/lokalise-cli-2-go.md): [CLI] Lokalise's official CLI (lokalise2) covering the Lokalise API v2: upload and download language files and manage keys, translations, screenshots, translation tasks and contributors. Needs a Lokalise account (paid, 14-day free trial) and an API token passed via --token.
- [SimpleLocalize CLI](https://hebbmind.com/es/cli/simplelocalize-cli.md): [CLI] SimpleLocalize's official CLI: upload and download translation files, trigger machine and AI auto-translation, publish translations to the CDN, and extract translation keys from source code for CI. Needs a SimpleLocalize account and project API key; paid service with a 14-day free trial.
- [locize-cli](https://hebbmind.com/es/cli/locize-cli.md): [CLI] Locize's official CLI: sync local translation files with the Locize platform, add, remove and look up keys, download published translations, manage versions and branches, and export JSON, XLIFF, PO, CSV or Excel for translators. Needs a Locize account, project ID and API key; free plan available.
- [Phrase Strings CLI](https://hebbmind.com/es/cli/phrase-cli.md): [CLI] Phrase Strings' official CLI: phrase init walks you through config, then phrase push uploads language files and phrase pull fetches the latest translations; it also wraps the full API for projects, locales and keys. Needs a Phrase Strings account (paid, 14-day free trial) and an API token.
- [Weblate Client (wlc)](https://hebbmind.com/es/cli/wlc.md): [CLI] Official CLI for Weblate, the open-source translation platform: check translation progress for projects and components, upload and download translation files, lock components, and commit or push repository changes. Hosted or self-hosted; needs the server URL, an API key and Python.
- [DeepL CLI](https://hebbmind.com/es/cli/deepl-cli.md): [CLI] DeepL's official CLI: translate text and PDF, Word, PowerPoint and Excel documents while keeping formatting, with glossaries and translation memory. Needs a DeepL API key (free plan available); install from source with Node.js 24.15+. Have legal translations reviewed.
- [Tolgee CLI](https://hebbmind.com/es/cli/tolgee-cli.md): [CLI] Official CLI for Tolgee, the open-source localization platform: extract strings from code, push keys to Tolgee and pull the latest translations, and diff local files against the platform. Works with Tolgee Cloud or self-hosted; needs Node.js 18+ and a personal or project API key (tolgee login).
- [Trados PowerShell Toolkit](https://hebbmind.com/es/cli/sdl-studio-powershell-toolkit.md): [CLI] RWS's official PowerShell toolkit for automating Trados Studio: batch-create translation projects, run word counts, import and export packages, and manage translation memories (incl. TMX) and GroupShare projects. Windows only; needs Trados Studio Professional; install the MSI from Releases.
