Deliberate English practice,
one attempt at a time.
Dictation, reading aloud, writing with a coach, shadowing audio and translation — one account, one record of your progress.
No account needed:DictationTranslateFree to try first:ReadingWriting
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.
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.