Card Mirror & Sync for Trello

Mirror cards across multiple Trello boards in real-time. Keep your teams aligned with automatic two-way synchronization, preventing data conflicts and ensuring everyone stays updated on task progress.

Trello experts since 2014 15-day free trial Support team to help with setup
The Card Mirror Power-Up icon: two white arrows forming a circular sync loop on a purple-to-pink gradient square.

What is Card Mirror & Sync (by Placker)?

Mirror and sync cards across multiple Trello boards in real-time. Keep teams aligned by automatically synchronizing task updates, preventing data conflicts, and providing everyone with current information. Perfect for managing remote teams, running efficient meetings, and handling both high-level overviews and detailed task management.

✨ Key Features

  • Save time streamlining task synchronization
  • Keep all tasks visible on a single board
  • Reduce errors with automatic updates
  • Provide stakeholders with current task views
  • Switch between overview and detailed management
  • Automate mirror creation with custom rules

👥 Perfect For

  • Managers needing project overviews
  • Stakeholders requiring task updates
  • Project leaders juggling multiple tasks
  • Product managers planning iterations
  • Team members seeking task clarity
  • Teams managing multiple clients

Start with a 15-day free trial. Get started in minutes. No credit card required.

Trusted by teams worldwide

See what our customers have to say

"You have a fantastic, polished product - very well designed UI and great functionality. Placker is my go-to portal for all of my work. Keep up the amazing work!"

Bart
Australia

"I am so happy with the Power-Up. Thank you."

Richard
United States

"My experience is being excellent. The tool is very simple and exactly what I needed."

Sóren
Brazil

"What I most like as a new user is the ease to set up my work environment."

Dylan
United States

"It was easy to set up the automations"

Heather
United States

"For me everything is working perfectly, the app is very good and is being useful in many projects."

Kryslan
Brazil

"If you want to sync cards between different boards or create sub-tasks, I am recommending Placker on almost a daily basis."

Scott
Canada

"This is one of the best addons I have found. Thanks!"

Alex
United States

Instant Updates

Real-Time Synchronization

All mirrored cards update automatically when any changes are made. Perfect alignment without manual effort.

Updates reflect instantly across all boards
Experience zero-latency collaboration where changes are visible to everyone immediately.
Zero manual refreshing
Never hit the 'refresh' button again; data streams live to your views.
Ensure 100% data consistency
Rely on a system that ensures all boards reflect the exact same truth at all times.
Two Trello boards shown in three steps, where a mirrored card's field changes and its move from To do to Doing appear on both boards at the same time.

Smart Automation

Automated Mirroring Rules

Define simple triggers and cards will mirror automatically. No ongoing maintenance required.

Simple "If This, Then That" logic builders
Build powerful automation rules using a simple, intuitive interface, with no coding required.
Trigger syncs based on labels, lists, or members
Activate mirroring or copying actions precisely when specific criteria are met on a card.
Runs 24/7 in the background
Automation never sleeps; rules process and sync data around the clock, even when you're offline.
A Placker mirroring rule set to mirror any card carrying the Green label to the Automations list on the 5. Backlog board, and to archive and unlink the mirror once the label is removed.

Universal Access

Cross-Team Collaboration

Teams keep their boards while viewing collaborating on shared tasks. Everyone stays in sync effortlessly.

One card visible on multiple team boards
Display a single task in multiple contexts so every team sees the work relevant to them.
Seamless cross-functional communication
Enable teams to communicate via card comments that sync across boards, keeping conversation in context.
Eliminate duplicate data entry and errors
Stop manually typing the same information into multiple boards; enter it once and let it sync.
A Placker board showing Project 1 and Project 2 one above the other, with the same mirrored card being added to the To do list of each project.

Ready to supercharge your Trello boards?

Start your 15-day free trial today. No credit card required.

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