One Big Event Planner

One Big Event – Event Planner 🎉

Plan your special event with confidence using One Big Event, the all-in-one event planning companion designed for weddings, birthdays, and celebrations of any size.

Whether you're organizing a dream wedding, a birthday party, a family gathering, or a corporate event, One Big Event helps you manage guests, seating arrangements, budgets, vendors, and checklists from a single easy-to-use dashboard.

No complicated setup. No unnecessary clutter. Just powerful planning tools that help keep everything organized.

✨ Event Dashboard

Create your event in seconds and customize it to match your celebration.

Wedding planning support

Birthday party management

General event organization

Custom event titles and categories

Beautiful and modern interface

👥 Guest Management

Keep your guest list organized and accessible.

Add and manage guests

Store phone numbers and contact details

Track RSVP responses

Monitor guest attendance

Search and filter guest lists

Manage party sizes and seating requirements

Stay updated on who is attending and how many seats you'll need.

🪑 Smart Seating Planner

Create seating arrangements without the stress.

Create unlimited tables

Assign guests to tables

View unassigned guests

Manage seating capacity

Round, square, and rectangular table layouts

Move guests between tables easily

Visual seating organization

Perfect for weddings, receptions, banquets, and formal events.

✅ Event Checklist

Never forget an important task again.

Create custom checklist items

Track planning progress

Mark completed tasks

Organize event preparation steps

Reset and manage planning lists

Stay on top of every detail from preparation to event day.

🤝 Vendor Directory

Keep all your suppliers in one place.

Store vendor information

Save contact numbers

Add email addresses

Record locations and addresses

Organize service providers

Ideal for:

Caterers

Photographers

Event coordinators

Florists

Musicians

Venues

Decorators

💰 Budget Tracker

Manage event expenses efficiently.

Record expenses

Track payments

Monitor paid and unpaid costs

Link expenses to vendors

View budget summaries

Stay within your spending goals

Know exactly where your money is going throughout the planning process.

🎨 Custom Themes

Personalize your planning experience.

Available themes include:

Lavender

Peach

Rose

Forest

Ocean

Midnight

Minimalist

Sunflower

Choose the look that matches your style.

♿ Accessibility Features

Designed for everyone.

Adjustable text sizes

Large font options

Accessibility-friendly layouts

Easy-to-read interface

📱 Easy and Convenient

Simple navigation

Modern design

Fast performance

Mobile-friendly experience

Clean and organized workflow

Perfect For

💍 Weddings

🎂 Birthday Parties

🎉 Family Celebrations

🏢 Corporate Events

🎓 Graduation Parties

👶 Baby Showers

💒 Receptions

🎊 Community Events

Why Choose One Big Event?

Planning an event involves countless moving parts. One Big Event brings guest management, seating arrangements, vendor contacts, budgets, and task tracking together in a single convenient place.

Spend less time managing spreadsheets and more time enjoying the celebration.

Plan smart. Celebrate beautifully. Download One Big Event today! 🎉