ForthWrite

AI email drafts that sound like you. Voice-matched, adaptive. Works in Gmail and Outlook. Free to start, no API key required.

ForthWrite drafts email replies in your voice, right inside Gmail and Outlook. Unlike generic AI tools, ForthWrite learns how you actually write from your real sent emails. Every draft sounds like you, not a template. START FREE • Start with a 14 day Pro trial, or with 10 drafts per week, voice matching included, on the Free Tier • No API key, no credit card required • Install and start drafting immediately VOICE MATCHING ForthWrite analyzes your real sent emails (tone, sentence structure, word choices, sign-offs, and more) to build a personal writing style profile. Every draft matches how you write, not how AI writes. KEY FEATURES • Alt+Shift+D to generate a draft in any Gmail or Outlook thread • Standalone web compose surface for drafting without installing anything • Voice matching from your real sent emails (Free, Standard, Pro, and Teams) • Recipient-aware drafts: style adapts to who you're emailing (Standard+) • Intent-aware drafts: a follow-up reads differently than an intro (Standard+) • Custom system prompt / persona (Standard+) • AI coaching with voice-shift reports (Standard+) • Unlimited Gmail and Outlook inbox connections (Standard+) • Auto-draft: replies waiting when you open Gmail (Pro+) • Batch drafting: clear dozens of threads in parallel (Pro+) • Drafts that grow more like you each week via edit supervision (Pro+) • Prompt Lab: version control, A/B test, AI-optimized prompts (Pro+) • Performance analytics with a measurable improvement curve (Pro+) • Shared team persona and Prompt Lab library (Teams) • Team analytics dashboard and admin seat management (Teams) BRING YOUR OWN KEY (BYOK) — SAVE UP TO 33% • Already have an AI provider account? Plug in your API key on any paid plan to use your own credits directly. Supports 9 major AI providers. Web-saved keys are encrypted at rest and used only for your requests. KEYBOARD SHORTCUTS • Alt+Shift+S: Toggle widget • Alt+Shift+D: Generate draft • Alt+Shift+E: Minimize widget • Alt+Shift+R: Reset position PRIVACY We store your sent emails to learn your voice: encrypted, isolated to your account, never shared, never trained on shared models, and deletable anytime from your dashboard. Web-saved API keys are encrypted at rest. PRICING • Free: 10 drafts/week, voice matching included — no key, no card • Standard: from $15/mo (annual) — custom persona, recipient + intent-aware drafting, AI coaching, unlimited drafts, 9-provider BYOK • Pro: from $25/mo (annual) — everything in Standard + auto-draft, batch, Prompt Lab, edit supervision, performance analytics • Teams: from $49/seat/mo (annual) — Pro for every seat, shared persona and Prompt Lab library, team analytics, admin controls, 30-day trial, 2-seat minimum • Enterprise: custom pricing — SSO/SAML, SCIM, audit log, dedicated account manager • BYOK discount: ~17% off; annual + BYOK up to 33% off 14-day free trial on Standard and Pro. 30-day trial on Teams. Full pricing: https://forthwrite.ai/pricing