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AI prepares. You decide.

Hundreds of applications. Every one personal.

Automation usually trades quality for quantity. Ntern gives you both. Start from a ready list of 21,000+ companies, or your own: Ntern reads each company's website, matches it to your CV — whatever your field — and prepares a ready-to-send email. Then you review, edit, change the style, and send only what you like.

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  • Nothing sent without your review
  • 21,000+ companies ready to go
  • Engineering, IT, business — every field
  • Language picked for each company
A whole list prepared — and every email still yours to judge Research, write, review and send in one place, without juggling tabs, templates and spreadsheets.
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Quantity and quality

Quantity over quality?
Ntern gives you both.

Automation usually sends the same text to everyone. Applying to many companies raises your chances, but writing each email properly is what gets replies — until now you had to choose.

Quantity

Your whole list, prepared while you do something else

  • Import hundreds of companies from a CSV or Excel file — every bad row explained.
  • Research and drafting run in the background, several companies at a time.
  • Send a whole selection in one click, paced and capped for you.
Quality

Every email written for one company, and only that one

  • Each company's website is read and quoted word for word — no generic praise.
  • Its work is matched to the experience on your CV; every number and name is checked.
  • The wording follows styles built on studies of millions of real emails.
AI that helps, not replaces

Ntern does the groundwork. You make every call.

Research, matching and first drafts are done for you. Reading, editing, choosing and sending stay in your hands — nothing leaves without you.

1 · Ntern prepares

Know every company before you write to it.

The Ntern list of 21,000+ companies is ready from day one — add your own CSV or Excel file if you like. Ntern reads each company's website, finds what matches your CV and your field — and writes in the company's own language.

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Company research
What they do, in their own words, with the page it came from — and where they are.
Your field, your places
Engineering, IT or business: companies of your field come first, and the cities you target are marked.
Open positions
Internship offers published on a company's own site are found and shown next to it.
Honest matching
Companies that match nothing on your CV are set aside, not dressed up — and they cost nothing.
2 · You review & edit

Many drafts ready at once. Keep what fits you.

With a whole list prepared, you can read drafts side by side, star the ones you like, rewrite any sentence, or switch an email to another style in one click — no new research needed.

Start for free
Edit in place
Every subject and sentence is yours to change before it leaves.
Switch the style instantly
See the same company as a call request, a formal letter or a short note.
Your own letter
Prefer your own words? Ntern keeps them and fills in what is specific to each company.
The right CV each time
Upload several CVs; each email gets the one that fits the company, and a CV check flags what recruiting software can't read.
3 · You send

Send what you chose, from your own inbox.

Pick the drafts you're happy with. Ntern sends them from your Gmail, Outlook or school mailbox, one by one, with human-like gaps and a daily limit you set.

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Your mailbox
Gmail and Outlook in one click, or any school mail server.
Paced, not blasted
A random gap between emails and a daily cap.
Bounce tracking
Dead addresses are found in your inbox and flagged.
Built on research

7 email styles, each backed by real numbers

We studied hiring guides, recruiter surveys and outreach studies covering millions of emails. Each style says when it works best and why — pick one for your profile, or switch any single email.

Specialist match

Opens on what the company does (quoted from its own site), matches it to your strongest experience, then your other highlights. The proven default.

Best for Most companies — whenever the research found something specific on their website.

A personalised email body gets 32.7% more replies.

Backlinko & Pitchbox, 12M emails

Short & direct

Four short paragraphs for busy recruiters: why them, your best match, one highlight, the ask.

Best for Busy people at small companies, and anyone reading on a phone.

Emails of 50–125 words get the most replies — above 50%.

Boomerang, 40M emails

Project first

Leads with your flagship project in the first line, then connects it to the company. Strong when you have one standout achievement.

Best for When you have one standout project with a concrete result.

Employers choose interns on skills and past experience before grades or major.

NACE 2025 Internship Report

Formal

A classic, formal application — for large companies, public institutions and traditional sectors.

Best for Large groups, banks and public institutions, where HR follows a fixed process.

Firms with rigid hiring usually redirect cold emails to their official process — apply on their careers site too.

Pearl Lemon placement programme

Research & R&D

For laboratories, R&D teams and research internships: frames your work as research and asks to contribute to theirs.

Best for Laboratories, R&D teams and research internships.

Short call request

Asks for a 15-minute call instead of a job: what you know of their work, how it links to yours, then one easy question. Under 125 words.

Best for Startups, small teams, investment and consulting firms, alumni — anyone who can say yes to a chat without going through HR.

485 emails like this led to 350 calls or interviews (72%) and an internship.

Jason Chen, CRV

Spontaneous application

Says right after the first line what you ask for — the internship, its dates and length — then why them and your best match, and ends on a question.

Best for Companies with no posted internship, and end-of-study internships with fixed dates (France, Switzerland).

French employers examine spontaneous applications in 68% of their recruitments; 21% of hires come from them.

DARES survey, INSEE Économie et Statistique 2022

Your own letter

Already have wording you love? Keep it. Ntern uses your sentences and only fills in what is specific to each company — what they do, and how it matches you.

Best for Students who want every word to be theirs.

What the data says
Out of the spam folder

Many emails, none of them looking like a mass mailing.

Spam filters punish identical blasts from unknown servers. Ntern sends the opposite: one personal, plain-text email at a time, from the mailbox you already use.

Start sending the right way
  • Your own addressSent from your Gmail, Outlook or school account — never from a shared server.
  • Every email is differentEach one is written for its company, so no two look alike.
  • Human paceRandom gaps between sends and a daily limit you control.
  • Plain and cleanNo tracking pixels, no link shorteners, no HTML tricks.
  • No two students alikeEveryone gets the shared list in an order of their own, so companies never receive a wave of applications at once.
  • Bounces caughtDead addresses are detected, and removed for every student once confirmed.
Grounded in your CV

Recruiters notice invented claims. There are none.

When your profile is drafted, every number and every name is compared with your CV. Anything that doesn't match is flagged until you fix it or confirm it — and each email is checked again before it's marked ready.

Security

Your account is yours alone

Ntern was built for many students at once. Each account is sealed off from every other one.

  • Separate workspacesYour companies, drafts and CV are never visible to another user.
  • Encrypted secretsAI keys and mail tokens are encrypted at rest and never shown again.
  • Hashed passwordsStored with Argon2id — nobody, including the administrator, can read them.
  • Your key, your mailboxYou bring your own AI key and send from your own address.
FAQ

Questions, answered

Does Ntern send emails on its own?

No. It prepares drafts. You read them, edit them if you want, and choose which ones to send.

Isn't automation bad for quality?

Usually, yes — the same text is sent to everyone. Ntern researches each company separately, matches it to your CV and checks every claim, so a long list still gets personal emails.

Can I use my own cover letter?

Yes. Keep your own wording and Ntern fills in only what is specific to each company. You can also pick one of the 7 styles, or switch a single email to another style at any time.

Will my emails end up in spam?

Ntern does what keeps you out of it: it sends from your own mailbox, one plain-text email at a time, with random gaps and a daily limit, and every email is different. It also flags addresses that bounce.

Which languages are supported?

English and French. Ntern picks the language from each company's website automatically, and you can switch any single email with the EN / FR button.

What do I need to start?

Your CV and an AI key — several providers offer a free tier that is enough to begin. The Ntern list of 21,000+ companies is ready for you; adding your own list is optional.

Is it only for IT students?

No. Ntern reads your degree and CV and works for software, data, cybersecurity, telecom, electrical, embedded and IoT, automation, mechanical, industrial, civil, energy, chemical and biomedical engineering, and business. If your profile covers several fields, each one counts.

Does it cost anything?

Your account starts with 50 free emails to prepare. A company that doesn't match your CV costs nothing, rewriting an email in another style is free, and sending never uses an email from your plan.

How do I create an account?

Click “Continue with Google”. Your account is created, you are signed in, and your Gmail is connected for sending — all in one step. You can also sign up with an email and a password. A short guided setup then walks you through your CV, the places you target, your AI key, your email style and your mailbox.

Can other people see my data?

No. Every account has its own workspace, keys and mailbox connection.

Apply to more companies. Sound like yourself in every email.

Create your account, upload your CV, and review your first drafts today.

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