AI-adjust text tone.
All processing happens in your browser — files never upload anywhere.
Tone of Voice is a browser-first writing assistant powered by open-source language models. Prompts are relayed through a stateless Edge Function that never logs prompt bodies — no accounts, no history, no data mining.
an in-browser language model routed through a Next.js Edge Function that hides API keys
Every step runs on your device — nothing is uploaded.
Open Tone of Voice on Toolspace.
Type or paste your topic, question, or draft into the input box.
Click Generate. The AI produces text in a few seconds.
Edit the output inline, then copy or download when you're happy.
Yes — Tone of Voice is free with rate limits generous enough for typical usage. It's powered by open-source language models routed through Toolspace's zero-cost inference tier.
No. Prompts are relayed through a stateless Edge Function that never logs prompt bodies or responses to disk. Rate-limit counters are the only metric kept, and they're indexed by anonymized token, not content.
Tone of Voice uses smaller open-source models (7B-70B parameters) — great for routine writing tasks (paragraphs, rewrites, summaries) but not as sharp as GPT-4/Claude Sonnet for complex reasoning. For high-stakes writing, always review the output.
Yes. Output from Tone of Voice is yours to use freely, but always fact-check any specific claims, statistics, or citations before publishing.
Most "AI detectors" produce false positives on human writing as often as false negatives on AI writing — treat their scores skeptically. For high-visibility content, run the output through a human editor before publishing.
All free, all browser-based, all zero-signup.