Skip to main content

Send 1,000 letters
in 60 seconds.

Upload your letter and recipient list. We print, stamp, and mail via USPS.

Starting at $1.60 per letter. No minimums, no setup fees, no contracts.

$0 to upload · No account required · Cancel anytime

How it works

Three steps from spreadsheet to mailbox

Upload your recipient list. Our AI maps the columns. Click send. We handle the printing, stamping, and USPS delivery.

1

Upload your CSV

CSV, Excel, or Google Sheets export — up to 2,000 recipients per batch.

2

AI maps your columns

No template needed. Our AI detects names, addresses, and custom variables.

3

Click send

We print, stamp, address-verify, and mail via USPS the same business day.

recipients.csv3 of 1,247 rows
Full Name
Street Addr
City
St
Amount
Sarah Chen
742 Evergreen Terrace
Springfield
IL
$1,240.00
James Wilson
1600 Pennsylvania Ave
Washington
DC
$850.00
Maria Garcia
350 Fifth Avenue
New York
NY
$2,100.00
Full NameNameStreet AddrAddressCityCityStStateAmountAmount Due
AI mapped 5 of 5 columns automatically
Personalized letterReady
Sarah Chen
742 Evergreen Terrace
Springfield, IL

Dear Sarah Chen,

This letter is to inform you that your balance of $1,240.00 is now past due. Please remit payment at your earliest convenience.

Sincerely,
Accounts Department

+1,244 more letters generated

Pricing

Pay only for what you mail

Same flat rate from 1 letter to 2,000. No setup fees. No contracts. No surprises.

15001,0001,5002,000
100
letters
Per letter$1.60
Total$160.00

Save ~2.5 hours of work

DIY estimate: 2.5 hours of printing, folding, stuffing, addressing, and post-office trips.

Send 100 letters now

B&W Standard delivery shown. First Class available at $2.40/letter. Color upgrade available.

Trusted by teams

Built for people who’d rather be doing anything else

The bulk mail feature with CSV upload is a game changer — what took a full afternoon now takes 10 minutes.

Angel Li

Investment Associate

I upload my spreadsheet and WriteToMail handles everything. Absolutely worth it.

Aleem Virani

Software Engineer

We switched from printing and mailing in-house. WriteToMail saves us 3 hours a week and the letters look more professional than what we used to send.

Eric Epstein

CEO

USPS
Certified print network
5–7 days
First Class delivery
$1.60
Per letter, no minimum

Compare

Why teams pick WriteToMail

Feature
WriteToMail
DIY in office
Mail house
Send 1 letter or 2,000
AI column mapping
USPS address verification
No setup fee
No contract required
Same-day printing
Maybe
3–5 days
Time per 100 letters
~5 min
~3 hrs
1 week
Total cost per 100 letters (incl. labor)
$160
$215+
$250+
Address verification includedSame/next business day printingUSPS First Class & Standard

Frequently asked questions

Ready to send bulk mail?

Upload your letter (PDF or compose it here) and a recipient list (CSV or Excel). We’ll handle the rest. No contract, no setup, no minimums.