Can I vibe code DeepL?
Machine translation professionals actually trust.
DeepL is a model company — proprietary translation models refined for a decade — and you cannot vibe-code a model. The nuance for 2026: frontier LLMs now translate excellently for everyday use, so a personal translator UI over the API you already pay for makes the Pro subscription unnecessary for casual work. The no stands for what DeepL Pro is really for: professional translation with glossary enforcement, document-format preservation, and consistency guarantees across a 60-page contract. Casual: your LLM has it. Professional: rent the specialist.
Build my personal translator. Paste text (or drop a .txt/.md file), pick target language, and translate via an LLM API with a system prompt enforcing my glossary (a table of term → preferred translation I can edit in the UI) and tone preference (formal/casual). Show source and translation side by side with sentence alignment on hover, a back-translate button for sanity checks, copy/download, and history in Postgres. For markdown files, preserve formatting exactly — translate only the prose. Next.js, deployable to Vercel.
A personal translator: paste text or drop a file, translate via an LLM with your glossary and tone rules applied, with side-by-side view and history.
- Document translation preserving exact formatting (DOCX/PPTX in, same out)
- Enforced terminology glossaries at professional consistency
- Translation-specialist model quality on hard language pairs
- Compliance posture for confidential business documents
Professional translation is a consistency contract, not a capability — businesses pay for the same term translated the same way on page 60 as page 1.
A prompt is the first move, not the whole game. Course 01 teaches you to take a prompt like this one to a shipped, working app — reviewing, correcting, and steering the agent the whole way.
Start Course 01 →