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Tentaco is a collection of 100+ free online tools that run in your browser. No sign-up — most tools process your data locally on your device; cloud features stay optional.
Studios are immersive workspaces that bundle related tools into one page. Switch modes from the sidebar without losing context. Tentaco currently ships 25 live studios.
Browse all studios →The floating assistant routes natural-language questions to the right tool using local phrase matching, BM25 search and page context — cloud and Ollama are optional add-ons, never required.
All features →Press ⌘K (Mac) or Ctrl+K (Windows/Linux) anywhere on the site to open the command palette. Search tools, studios and pages instantly — then press Enter to jump there.
Most tools — including every studio — run in your browser. Files and pasted text are not uploaded unless you explicitly use optional features such as file share, device sync, Image Studio AI, Live Rooms or cloud assistant modes.
Read the privacy policy →Route natural language to the right studio — without a chat UI. Local routing is the default; cloud enrichment is opt-in on your instance.
GET /api/assist/routeReturns a tool match with href, steps, confidence and related tools.
Query parameters
q — Natural-language query (required)locale — UI locale, e.g. de or en (optional, default en)Example
curl "https://tentaco.cc/api/assist/route?q=compress+pdf&locale=en"Response: { query, locale, routed, response: { primary, why, steps, related, confidence } }
POST /api/assist/batchUp to 20 queries in one request — for smoke tests and batch integrations.
curl -X POST "https://tentaco.cc/api/assist/batch" \
-H "Content-Type: application/json" \
-d '{"locale":"en","queries":["format json","merge pdf","heic to jpg"]}'Response: { locale, routed, results: [{ query, response }] }
POST /api/assist/queryFull assistant query with optional OpenAI enrichment when cloud mode is enabled on your instance.
curl -X POST "https://tentaco.cc/api/assist/query" \
-H "Content-Type: application/json" \
-d '{"query":"invoice template german","locale":"de","useCloud":false}'Body fields: query, locale, optional cloud flag and enrichment options — returns { response, source }.
POST /api/assist/explainExplain a parse or validation error — local heuristics first, optional cloud enrichment when enabled.
curl -X POST "https://tentaco.cc/api/assist/explain" \
-H "Content-Type: application/json" \
-d '{"message":"Unexpected token } in JSON at position 42","locale":"en","useCloud":false}'Take Tentaco beyond the browser tab — extension, sync vault and bookmarklet.
Select text on any page and open the matching Tentaco studio in one click.
Browser extension →Open Sync Center from the header to optionally back up favourites, presets and recent tools across devices. Data is encrypted in a local IndexedDB vault on each device; you get a recovery key when you enable sync. Nothing is uploaded to our servers unless you explicitly sync — and there is no mandatory account.
Open Sync Center →Drag the Tentaco bookmarklet to your bookmarks bar. Select text on any page and click it to open the matching tool — no extension install required.