Highlight any sentence
Select the text you want to keep and click the LangCapture icon or context menu.
Built for software engineers working across languages
Save the workplace English your engineering team already uses.
Capture useful lines from GitHub PRs, Slack/Teams, Jira/Confluence, and email. LangCapture turns them into a reusable sentence library with translation and audio.
TranslationTTS
Chrome extension is live
Capture without leaving your browser
Highlight text in GitHub, Slack/Teams, Jira/Confluence, or email and send it straight to LangCapture. Saved translations and TTS stay in sync with your bilingual library.
Install Chrome extensionTip: stay signed in with cookies or use an API token in the extension.
Save with one click
We send it to your workspace and save the sentence with the right translation direction automatically.
Reuse instantly
Open the card in your library and review the translation or play TTS without leaving the thread.
How it works
Capture -> Translate -> Replay
Turn real sentences in any language from your daily tools into a reusable bilingual library.
Step 1
Capture in 15 seconds
Paste a sentence from Slack, GitHub, Jira, or email. No prompts, no setup.
Step 2
AI keeps the direction clear
Save the original sentence with the right translation in your native language.
Step 3
Replay with confidence
Review saved translations anytime and generate TTS only when you want to practice.
Built for bilingual workflows
Why teams pick LangCapture
Everything you need to convert live sentences into reusable assets—without changing how you communicate.
15-second capture flow
Paste any sentence in your target language, hit capture, and get a saved translation without prompt crafting.
Clean sentence + translation
Keep the original line and its native-language translation together in one place.
Privacy-first redaction
Company names, product names, repo names, links, tickets, emails, and secrets are stripped before saving.
Translation + audio, no clutter
The sentence workflow stays focused on original text, translation, and on-demand audio instead of extra generated fields.
Featured collection
Preview a flagship collection before you sign up
Collections let visitors evaluate the quality first, then unlock the full set and save useful entries after signup.
12 public previews120 entries9 modules
技术面试高频表达（英语）
面向工程师求职者的技术面试英语表达合集，覆盖算法题、系统设计、行为面试、debug、澄清问题与收尾反问。支持任意语言对，本合集以英语为例。
Audience: SWE求职者
I've spent the last five years building backend systems, mostly around APIs, data pipelines, and reliability.过去五年我主要在做后端系统，重点是 API、数据管道和稳定性。
Before I jump into a solution, I'd like to clarify the scope and the main constraints.在开始给方案之前，我想先确认一下范围和主要约束。
For this system, are we optimizing mainly for latency, throughput, or cost?对于这个系统，我们主要是在优化延迟、吞吐量，还是成本？
Simple pricing
Pricing
Start on Free, then upgrade to Pro monthly or yearly when you need more credits for translation and on-demand TTS.
Free$0
Free
For trying the LangCapture workflow with real sentences and occasional review.
Capture real sentences in your target language and keep the original text
Save each sentence with a clear native-language translation
30 monthly credits for translation and on-demand TTS
A simple way to build a reusable bilingual sentence library
Best for daily capturePro
Pro
For daily bilingual work that needs steady capture, translation, and replay.
500 monthly credits for ongoing translation and TTS usage
Made for frequent capture from GitHub, Slack, Jira, and email
Translate and replay many more real workplace sentences each month
Keep the workflow simple and focused on capturing real sentences
Best fit for people who review and practice every week
Build your bilingual sentence library, one real line at a time
Stop collecting random flashcards. Capture the phrases you actually see, and reuse them with confidence.