Deliberate English practice,
one attempt at a time.
Take dictation sentence by sentence, recite passages and learn exactly what needs work, revise essays with a writing coach, generate audio for shadowing, and translate without leaving the page — one account, shared progress across every mode.
Translate and Dictation are open to everyone. Reading and Writing include a free trial before you sign in.
Dictation
→Listen sentence by sentence and type what you hear.
Reading
→Read aloud or recite passages, get AI evaluation on every attempt.
Writing
→Draft, get structured feedback, revise, and track rounds.
Translate
→DeepL-style translation between English, Chinese, and more.
Speech
→Turn any text into natural audio you can replay anywhere.
AI Dictionary
PlannedWord and phrase explanation with bilingual support.
Mapdown
No account→A keyboard-driven Markdown mind-map editor. Enter adds a sibling, Tab adds a child, and maps live in your browser — so it works offline and on the first visit.
Posts
Account required→A quiet publishing tool. Write in Markdown, publish in one step, share a clean public URL.
VanMemo
Separate site→A calm home for fleeting thoughts. Capture without picking a folder or inventing a title, then find it again by tag, search, or pin.
bcailab is built and run by Zhongxing Sun from Burnaby, British Columbia, Canada. The lab stays small on purpose so the shipped tools can stay sharp — growth is deliberate, one useful product at a time.