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Filator's AI email writer turns a one-sentence brief into a finished email with a subject line, written by Claude, in 10 email types, 5 tones and 3 lengths. A free account comes with 50 credits; an email costs 5.
Follow up after a sales call. Follow up with Dana two days after our demo of the project tool; recap the three features she liked, offer a 14-day trial, ask for a 20-minute call next week
Cold email to a potential client. Introduce our bookkeeping service to a 10-person design agency; mention we save owners about 6 hours a month; ask if they are open to a short call
Apologise for a late delivery. Tell a customer their order arrived 5 days late because of a courier problem, apologise, offer a 15% refund and free shipping on the next order
Ask for a meeting. Request a 30-minute meeting with the finance team next week to review the Q4 budget; propose Tuesday or Thursday afternoon
Thank a client. Thank Omar for renewing his annual plan, mention the new reporting feature launching next month, offer help with setup
Announce a price change. Tell existing customers the monthly price goes from $12 to $14 on 1 January, explain the two new features, confirm annual plans keep their price until renewal
Out of office reply. Out of office from 20 to 28 December with limited email access; for urgent matters contact Lina at lina@example.com; back on 29 December
Chase an unpaid invoice. Remind a client that invoice 2041 for $1,800 is 15 days overdue, attach the invoice, ask for payment within 5 working days, stay polite
Write what it is about in one or two sentences, up to 500 characters: who it is for, what you want, any names, dates or numbers. Pick one of 10 email types.
Formal, friendly, urgent, casual or empathetic. Short (50–100 words), medium (150–200) or detailed (250–350). Standard or Pro model.
Claude writes the subject line and the body in a few seconds for 5 credits. Copy the subject or the whole email with one click, download it, or regenerate.
Claude Haiku 5.5. Fast and good at everyday emails: follow-ups, requests, replies, announcements. Included on every plan, free accounts too.
Claude Sonnet 5.5, Anthropic's stronger writing model, for emails where nuance matters: apologies, cold outreach, delicate client situations. Same credits; needs a paid plan.
Professional, sales, follow-up, apology, cold email, thank you, meeting, announcement, out of office, and custom for anything else.
Formal, friendly, urgent, casual or empathetic, in 50–100, 150–200 or 250–350 words. The subject line is always included.
Only need a few? A $5 pack is 2,000 credits = 400 emails, on any plan, never expires.
You need a free Filator account (email or Google, no card). It comes with 50 welcome credits that never expire and 10 more every month. An email costs 5 credits, so that is 10 emails to start and 2 more each month. Pro plans add 5,000 credits a month, which is 1,000 emails.
Claude, by Anthropic. The Standard option uses Claude Haiku 5.5; the Pro option, available on paid plans, uses Claude Sonnet 5.5. Both read your description, the email type, tone and length you chose, and return a subject line plus the body.
Ten types: professional, sales, follow-up, apology, cold email, thank you, meeting request, announcement, out-of-office reply and custom. Custom works for anything else: a resignation letter, a job application, a payment reminder, a complaint.
Yes. Five tones (formal, friendly, urgent, casual, empathetic) and three lengths: short at 50–100 words, medium at 150–200, detailed at 250–350. Pick them before you generate, or regenerate with a different setting for the same description.
Put the facts in the description: names, dates, amounts, what you want the reader to do. 'Follow up with Dana after Tuesday's demo and ask for a call next week' gives a much better email than 'follow-up email'. You have 500 characters for the description.
Yes. Every result comes with a subject line you can copy on its own, plus the body. If you do not like the subject, regenerate: it costs the same 5 credits and gives a new subject and body.
No. Your description and the generated email are sent to the model for your request and returned to your browser; Filator keeps only which type, tone and length you used, for your usage history. Nothing is used to train models or shared.
On Pro, 5,000 credits cost $9.99, so one email (5 credits) is about one cent. The 50 welcome credits on a free account cover 10 emails. Credit packs work on any plan: $5 for 2,000 credits (400 emails), $20 for 10,000, $50 for 30,000, never expiring.
Describe it, pick the tone, copy the result. Free account, 50 credits included, no card needed.