Zenra AI
NewZenra Video Downloader 3.3 — try it free

We build AI software that grows your business.

AI agents, custom AI tools, websites, online stores and Windows, Mac & mobile apps — planned, built and launched by one accountable team. A fixed quote before we start, delivery in days, and everything in your name.

  • Fixed-price quotes
  • Delivered in days
  • You own 100% of the work
  • NDA on request

Fixed price, agreed first

Scope, milestones and price agreed in writing. No surprise invoices.

Delivered in days

Most projects go live within days, with a live preview while we build.

You own everything

Code, designs, domains and accounts belong to you from day one.

Replies within a day

A reply within one business day, in clear English, with answers you can act on.

Software we build — and use ourselves.

We design, ship and support our own apps — on Windows today, with Mac versions on the way — with licensing, payments and automatic updates. The same standards go into every client project.

Zenra Video DownloaderAvailable now

Download videos, playlists and channels in HD and 4K.

Save videos from YouTube, TikTok, Instagram, Facebook, X, Snapchat and more — one at a time, or whole playlists, channels and accounts at once.

  • Version 3.3
  • Windows 10 and 11
  • Mac version coming soonmacOS
  • 1-day free trial
Zenra Video Downloader
Zenra Video Downloader saving several videos at once, with live speed and progress
  • Five downloads at once

    Run up to five side by side, with the live speed on screen.

  • Playlists, channels & accounts

    Paste one link and save every video into its own folder.

  • 4K, 1080p or MP3

    Standard MP4 files that play on every phone, TV and player.

  • Always up to date

    Updates itself, resumes big downloads and skips duplicates.

How every project runs

A clear path from the first call to launch — with something you can see and test within days.

  1. Discovery call

    A free 30-minute call about your goals, your users and what success looks like. No obligation.

    Notes and a recommended next step

  2. Proposal & fixed quote

    Scope, milestones, timeline and price in writing. Work starts only when you approve it.

    A written proposal you can share

  3. Design & prototype

    Designs or a working prototype first, so you can judge the direction before the full build.

    Designs or a prototype to review

  4. Build fast, with live previews

    Short milestones, progress updates and a working preview link — most projects are delivered within days.

    A live preview link while we build

  5. Launch & improve

    We launch, hand over every login and document, and stay on for support and improvements.

    A handover pack and post-launch support

Ways to work together

Pick the model that fits the work. Many clients start with a project and move to a monthly plan after launch.

Fixed-scope project

A defined build with one price, paid by milestone.

Best for: a new website, web app, store, AI tool or AI agent.

Billing: deposit to start, then by milestone.

Monthly retainer

An agreed amount of work every month, on flexible terms.

Best for: store management, agent improvements and new features.

Billing: monthly, agreed in advance.

Support & maintenance

Updates, backups, monitoring and small fixes, so everything keeps running.

Best for: systems we built — or ones you already have.

Billing: a simple monthly plan.

Why teams choose Zenra AI

Agency-grade quality, delivered in days — with clear communication and one point of contact from the first call to launch.

  • AI-first, not AI-everything

    We use AI where it measurably saves time or money — and plain, reliable software everywhere else.

  • Product-company habits

    We ship and support our own apps, so we plan for users, updates and support from day one.

  • No hand-offs

    Strategy, design, development and support in one team, with one point of contact.

  • Security by default

    Least-privilege access, no shared passwords, secrets kept out of code — and an NDA whenever you need one.

  • Built to hand over

    Clean, documented work in your own accounts, so any capable developer can continue it.

  • Worldwide, on your time

    Clients around the world, in English, with calls scheduled around your time zone.

Who we work with

Founders and growing companies around the world — usually with a clear goal and a team that needs to move fast.

  • Startups & founders

    MVPs, AI prototypes, launch websites and web apps that win the first customers.

  • E-commerce & retail brands

    Shopify and WooCommerce stores, migrations, store management and AI shopping assistants.

  • Service businesses

    Websites that bring inquiries, booking flows and AI agents that reply to new leads in seconds.

  • Creators & media

    Video and content AI tools, channel websites and apps like our own Viral Clips.

  • Operations-heavy teams

    AI agents and internal tools that remove copy-paste work between inboxes, apps and spreadsheets.

  • Software companies

    AI features, agents and integrations added to your product — without rewriting what already works.

Questions clients ask first

Something else on your mind? Ask us directly — we reply within one business day.

How much does a project cost?

It depends on your budget and on what you want to build. Start by filling in the project form and sharing your idea — a few lines are enough. We'll reply with a free estimate within one business day, and after a short chat you get a fixed quote in writing, split into milestones, before any work starts.

How long does a project take?

Not long. Most projects — a website, an online store, an AI tool or a first version of your app — are delivered within a few days. Bigger projects usually take about 5–6 days, sometimes a little more or less. We agree the exact timeline with you before we start, and it's written into your proposal.

Do you build mobile and desktop apps?

Yes. We build Windows, Mac, iPhone and Android apps — with installers, licensing, payments, automatic updates and the App Store and Google Play launch. See app development.

Do you work with clients in my country?

Yes. We work remotely with clients around the world, in English, and schedule calls around your time zone.

Who owns the work when it's finished?

You do. Once the project is paid, the code, designs and content are yours. Domains, hosting, stores and AI accounts are set up in your name from the start.

Will you sign an NDA?

Yes. We're happy to sign a mutual NDA before you share confidential details.

How do we stay in touch during a project?

By email, WhatsApp or video call — whatever suits you — plus short progress updates and a link to the latest working version while we build.

How do payments work?

Usually a deposit to start and the rest by milestone. We agree on an international payment method that works for you, and the details are in your proposal.

What happens after launch?

We hand over every login, file and document, fix anything that isn't working as agreed, and offer optional monthly support, improvements and new features.

Tell us what you're building.

Share a few details. Within one business day you'll get questions or next steps — and after a short call, a written plan with a fixed quote.

Prefer email? Write to support@zenraai.com