Parallel books
Read the original and the translation, aligned.
Upload EPUB, PDF, text, or images. DualReader keeps paragraphs in lockstep so you never lose the thread across languages.
Built for serious readers and translators
Split-pane reader
Original and target text scroll together, paragraph by paragraph, with typography and theme controls.
BYOK or hosted
Bring your own API keys for full control, or use credits and subscription tiers when you want us to run the stack.
Your shelf, in sync
Keep each title organized, see translation progress at a glance, and return to the same paragraph on any device.