Project Management migration

Migrate from Kantree to Trello

Field-level mapping, validation, and rollback between Kantree and Trello. We move data and schema; workflows are rebuilt natively in Trello.

Kantree logo

Kantree

Source

Trello

Destination

Trello logo

Compatibility

50%

8 of 16

objects map 1:1 between Kantree and Trello.

Complexity

BStandard

Timeline

3-5 weeks

Rollback included Accuracy guarantee Field-level validation

Overview

What this migration involves

Moving from Kantree to Trello is a structural simplification, not a lateral move. Kantree's workspace-centric data model with 27 custom field types, 7 view types, KQL-powered automations, and unlimited subcard nesting has no equivalent in Trello, which uses 9 fixed card fields, a single board view on the free tier, and trigger-action Butler rules. We begin by auditing the full Kantree field schema and card-type inheritance tree, then flag every custom field that requires a Power-Up or manual workaround at the destination. We export card relationships as embedded checklist references or card-description links since Trello has no native many-to-many card linking. We deliver a written automation inventory for every KQL rule so the customer's admin can rebuild in Butler or a Power-Up. Formula fields are exported as static values at migration time, and the customer chooses whether to store them as static text or recreate them via a third-party Power-Up. Workspace and project hierarchy map to Trello boards and lists, with the understanding that Trello's board model does not support the nested project structure that Kantree provides natively.

Field-level fidelity

Every standard and custom field arrives verified.

Schema-aware mapping

AI proposes the map; you confirm before any record moves.

Relationships preserved

Parent–child, lookups, and ownership stay linked.

Full activity history

Calls, emails, meetings — with original timestamps.

Attachments & notes

Documents, uploads, and inline notes move with the record.

Why teams make this switch

Two sides of the same decision

Leaving

Kantree logo

Kantree

What's pushing teams away

  • Limited native integrations beyond Git, Slack, and Google Workspace — teams needing deep CRM, ERP, or HRMS connectors report building brittle webhook chains and maintaining custom middleware.
  • No publicly documented API rate limits or quota structure — developers automating migrations or syncs encounter unpredictable 429 errors with no guidance on retry windows.
  • Automation performance degrades on workspaces with thousands of cards, and batch import improvements (v10.6.9) are recent, leaving historical workspaces with slow automation execution.
  • Guest access is read-only by design — external collaborators cannot edit cards even on shared projects, which forces teams to convert guests to full paid members and inflate licensing costs.

Choosing

Trello logo

Trello

What's pulling them in

  • Free plan supports unlimited users and 10 boards, giving small teams full access to core Kanban functionality before any paid commitment is required.
  • The drag-and-drop board/card/Label interface requires no training, which reduces adoption friction and onboarding time across distributed teams.
  • Atlassian ecosystem integration with Jira, Confluence, and Bitbucket provides native cross-tool workflows for teams already using Atlassian tools.
  • Butler automation on paid tiers enables rule-based triggers without third-party integrations, covering basic workflow automation needs.
  • Simple visual task management with due dates, checklists, and member assignments keeps individual contributors and small teams organized without complexity.

Object mapping

How Kantree objects map to Trello

Each row shows how a Kantree object lands in Trello, including any object-level transformations, lookup resolution, or schema-design dependencies.

Typical mapping — final map is confirmed during the sample migration step.

Kantree

Workspace

maps to

Trello

Workspace or Board

lossy
Fully supported

Kantree workspaces map to Trello Workspaces (Free tier: 1 Workspace; Standard and above: multiple Workspaces). Each Kantree workspace becomes a Trello Workspace, and the customer chooses whether to create one master Trello Workspace or multiple Trello Workspaces matching the Kantree structure. Workspace color themes and display settings have no Trello equivalent and are documented as manual configuration steps post-migration.

Kantree

Project

maps to

Trello

Board

1:1
Fully supported

Kantree projects map to Trello boards, preserving project name, description, card group (column) structure as board lists, and any project-level custom fields as card-level fields. The project creation date migrates as a card description annotation. If the Kantree project has multiple card types, we create separate boards per card type or use Trello labels as a card-type proxy, depending on scoping preference.

Kantree

Card

maps to

Trello

Card

1:1
Fully supported

Kantree cards map directly to Trello cards with the title, description, due date, assignee, cover image, and checklist content preserved. Trello card descriptions accept Markdown, so rich text from Kantree migrates with formatting converted. The card creation timestamp and last-modified timestamp migrate as custom fields (Start Date or due date metadata) since Trello cards do not carry creation-date metadata by default.

Kantree

Card Type

maps to

Trello

Label

lossy
Fully supported

Kantree card types (Bug, Feature, Invoice, Patient, etc.) do not have a direct Trello equivalent. We map card types to Trello labels using a naming convention (card_type:Bug, card_type:Feature). For workspaces with fewer than 10 card types, this covers all cases within Trello's label limit. For workspaces with more than 10 card types, we flag the limitation and recommend splitting by board or using a Power-Up like Custom Fields to carry the type as a structured attribute.

Kantree

Custom Field

maps to

Trello

Power-Up Custom Fields or Card Description

1:1
Fully supported

Kantree supports 27 custom field types. The migration strategy is tiered by field type: text, number, date, single-select, and multi-select map to Trello Standard/Power-Up Custom Fields. Rating fields map to a label with N stars. Formula fields are exported as static text with the last computed value. Card reference fields are exported as checklist items with card links. User reference fields map to Trello members. Fields that cannot map (such as Kanban swim lane assignments or KQL-conditional visibility flags) are documented as manual configuration steps post-migration.

Kantree

Subcard

maps to

Trello

Checklist Item

lossy
Fully supported

Kantree subcards are independent cards with their own card types, fields, assignees, and subcards (recursive nesting). Trello checklists have no custom fields, no assignees, and no nested checklists. We flatten subcard hierarchies to checklist items, embedding the subcard title and, optionally, the last-known field values as text in the checklist item name. If the subcard depth exceeds two levels, we recommend breaking the chain into separate boards post-migration using a Trello Power-Up for board linking.

Kantree

Card Relationship

maps to

Trello

Card Description or Checklist

1:1
Fully supported

Kantree supports one-to-one, one-to-many, and many-to-many card relationships defined at workspace level. Trello has no native card-linking or many-to-many relationship fields. For each relationship type, we embed a structured reference in the child card's description using a markdown link format (Parent: [[Card Name]]), or we create a 'Related Cards' checklist with the linked card names as checklist items. The relationship type label (blocks, implements, relates_to) is preserved as a label prefix on the link reference.

Kantree

Card Group (Column)

maps to

Trello

List

1:1
Fully supported

Kantree card groups (columns) within a project map directly to Trello lists on the corresponding board. Card group color coding, card ordering within groups, and group-level WIP limits migrate as Trello list settings and color labels. Kantree's card limit indicators (highlighted in red with icon) have no Trello equivalent and are documented as a manual board configuration note.

Kantree

Comment

maps to

Trello

Card Activity Comment

1:1
Fully supported

Kantree comments with author, timestamp, and text body map to Trello card comments. The 2-hour editable window for authors does not exist in Trello (comments are permanently editable by any board member), so we migrate the comment text and author but do not preserve the edit-window constraint. Rich text in comments migrates with markdown conversion. Comments with @mentions carry the mention as plain text in Trello since Trello comment @mentions resolve differently.

Kantree

Attachment

maps to

Trello

Card Attachment

1:1
Fully supported

Kantree file attachments (drag-and-drop or image toolbar upload) migrate to Trello card attachments. We export the file metadata (name, size, upload date, uploader) and download the file from Kantree's storage layer, then re-upload to Trello. Files are attached to the migrated card at the same position in the attachment list. If a file exceeds Trello's 10MB attachment limit (Free and Standard), we flag the file and the customer chooses whether to attach via a Trello Power-Up (such as Google Drive or Dropbox integration) instead.

Kantree

User / Member

maps to

Trello

Member

1:1
Fully supported

Kantree organization members (billable) map to Trello board members. Project observers (free but read-only) map to Trello observers on a per-board basis; they can view the board without consuming a paid Trello seat if the Trello board uses a Workspace with Free-tier settings. We map by email match. Any Kantree member without a matching Trello account is held in a reconciliation queue for the customer's admin to provision before card import.

Kantree

Role and Permission

maps to

Trello

Workspace or Board Permission

lossy
Fully supported

Kantree roles define workspace and project-level permissions (card edit, comment moderation, field visibility, view sharing). Trello uses Workspace-level admin, normal, and observer roles, and board-level admin, member, and observer roles. We map the highest applicable permission level per user across the Kantree workspace (if a user is admin at workspace level, they become Workspace Admin in Trello; if they are project-level observer only, they become board Observer). Fine-grained field-level visibility settings do not map and are documented as manual configuration steps.

Kantree

View (Table, Matrix, Timeline, Calendar, Gantt)

maps to

Trello

Board or Power-Up View

lossy
Fully supported

Kantree's non-Kanban views (Table, Matrix, Timeline, Calendar, Gantt) have no direct Trello equivalent. We export the view definitions including filters, sort orders, displayed fields, and grouping configuration as a written view inventory. Trello Standard and above offer Calendar and Timeline views natively; Table view requires Premium. The customer chooses which Kantree views to recreate in Trello Power-Ups or as separate boards with filtered card-template lists.

Kantree

Automation

maps to

Trello

Butler or Power-Up

lossy
Fully supported

Kantree automations consist of KQL-based triggers, conditional branches, and action chains (set field, move card, post comment, copy card, etc.). Trello Butler supports trigger-action rules with at most one conditional branch. Complex Kantree automations with multi-step chains, KQL filter conditions, or card-count triggers do not map to Butler. We export the complete automation rule inventory — trigger type, conditions, action chain — as a written document organized by project, and the customer's admin rebuilds in Butler or selects a Power-Up with equivalent logic.

Kantree

Form

maps to

Trello

Trello Form or External Tool

lossy
Fully supported

Kantree public-facing forms that create cards on submission are configuration artifacts. We export form definitions (field structure, submitter info capture, validation rules) as a written inventory. Trello does not have a native form creation tool; the customer can use Trello Butler's card creation from form data or a third-party form tool (JotForm, Typeform, Google Forms) linked via Power-Up. Form submission history migrates as cards with a 'Form Submission' label and the submitted field values as card description.

Kantree

Report

maps to

Trello

Dashboard or Power-Up

lossy
Fully supported

Kantree Reports are workspace and project-level aggregated statistics (filters, groupings, displayed fields). We export report definitions as written configuration notes. Trello Standard and above provide Dashboard views for cross-board statistics; more detailed reporting requires a Power-Up such as Screenful, Corwise, or a custom analytics integration. Historical report snapshots do not migrate as datasets and are noted as requiring manual recreation in the destination reporting tool.

Gotchas + challenges

What specifically takes care here

Platform-specific issues from each side, plus the pair-specific challenges that don't show up on either platform's page on its own.

Kantree logo

Kantree gotchas

Low

Automation chain actions may carry metadata on card creation

Medium

Guest users inflate paid seat count if not managed

Medium

Formula fields compute at read time, not as stored values

Low

Workspace copy does not fully replicate automation sub-sequences

High

Annual billing locks cancellation until year-end

Trello logo

Trello gotchas

High

Billing model uses maximum seat quantity at term midpoint

Medium

Custom Field data historically stored in pluginData

Medium

API rate limits are token-gated and can block bulk migration

Medium

Guest-to-paid seat conversion triggers on multi-board membership

Low

Automation command runs are capped per plan and overage triggers upgrade pressure

Pair-specific challenges

  • Custom field collapse to 9 fixed Trello fields

    Kantree supports 27 custom field types per card including formula, rating, card reference, multi-select, KQL-conditional visibility, and computed fields. Trello's free card model has 9 fixed fields. Even with the Custom Fields Power-Up (Standard and above), Trello supports a maximum of 1 additional custom field on Free and 3 on Standard. Teams with 5+ custom fields per card type face a significant information-loss scenario. We audit the full custom field inventory during scoping, categorize each field as (a) natively supported, (b) Power-Up replicable, or (c) unfixable in Trello, and present the trade-offs before migration begins.

  • Subcard hierarchies cannot carry independent fields or assignees

    Kantree subcards are independent cards that can have their own card type, custom fields, assignees, due dates, and nested subcards. Trello checklists are flat list items with no custom fields, no assignees, no due dates, and no nesting. If the Kantree workspace relies on subcard fields for tracking (for example, a 'Task' card with subcards each carrying estimated hours and an assignee), that data is lost in a direct checklist migration. We flag subcard field usage during scoping and either flatten to plain-text checklist items or recommend a post-migration board-splitting approach.

  • Card relationships have no native Trello equivalent

    Kantree's workspace-level one-to-many and many-to-many card relationship fields define structured links between cards (blocks, implements, related_to, parent_of, etc.) with type labels. Trello has no native card-linking or relationship field. We embed relationship references in card descriptions using markdown links, but this is a best-effort workaround: Trello does not surface these links in a relationship panel, cannot filter cards by relationship type, and cannot cascade updates through a relationship chain. Teams that rely heavily on card relationships for dependency tracking should plan a Power-Up (such as Card Relationships by Glagla) or accept manual cross-referencing.

  • KQL automations require full Butler rebuild

    Kantree's automation engine uses KQL (Kantree Query Language) for conditional branching, multi-card queries, scheduled triggers, and chain actions across multiple cards. Trello Butler supports trigger-action rules with at most one condition and one or two actions. Automations that query card fields, count related cards, apply field changes conditionally, or chain actions across multiple cards cannot be migrated automatically. We deliver a written inventory of every Kantree automation rule with its trigger, KQL condition, and action chain, and the customer's admin rebuilds in Butler or selects a Power-Up for equivalent logic. This is a manual rebuild scope that is not included in the migration fee.

  • Formula fields are exported as static values only

    Kantree formula fields compute dynamically from related card fields at read time (for example, a budget remaining formula that subtracts expenses from total budget). Trello has no formula field capability. We export the last-known computed value as static text in a custom field at migration time. Post-migration, the customer chooses between accepting a static number (with a note that it will not update) or using a third-party Power-Up with formula capability (such as Calculated Fields for Trello). Financial, statistical, or deadline-conditional formula fields require explicit scoping sign-off before migration.

Migration approach

Six steps for a successful Kantree to Trello data migration

  1. Workspace audit and custom field inventory

    We audit the full Kantree workspace hierarchy (all projects, card types, custom fields, subcard depth, relationship fields, and KQL automations) and produce a custom field reduction report. This report categorizes each custom field as natively supported in Trello (title, description, member, label, due date, checklist, attachment), replicable via a Power-Up (Custom Fields, Card Colors, due date trackers), or unfixable in Trello. We present this report to the customer's admin before migration begins and agree on the field mapping strategy, subcard handling, and relationship embedding approach. No data moves until the strategy is signed off.

  2. User account reconciliation

    We extract every distinct Kantree member from the workspace and match by email against the destination Trello Workspace. Kantree organization members (billable) map to Trello Workspace members. Project-level observers (free in Kantree) map to Trello board Observers where the destination Workspace supports observer access. Any Kantree member without a matching Trello account goes to a reconciliation queue, and the customer's admin provisions the missing accounts before board migration. Board-level permissions are mapped from Kantree workspace and project role levels to Trello Workspace and board admin/member/observer roles, with fine-grained field-level permissions documented as manual configuration steps.

  3. Board and list structure migration

    We create Trello boards in dependency order matching the Kantree project hierarchy. Each Kantree card group (column) becomes a Trello list. Card group names, card ordering within groups, and WIP limit settings migrate as list names and list header settings. If a Kantree project uses multiple card types, we create separate Trello boards per card type or use labels as a card-type proxy, depending on the scoping agreement. The board description and any project-level metadata are carried into the Trello board description.

  4. Card migration with field mapping

    We migrate cards board by board, applying the custom field mapping strategy from the scoping agreement. Standard fields (title, description, due date, assignee, label, checklist, attachment) migrate directly. Custom fields are written to Trello Custom Fields Power-Up or embedded as structured text in the card description. Subcards are flattened to checklist items. Card relationship references are embedded in card descriptions as markdown links. Card creation and modification timestamps are stored in a custom 'Last Modified' field. We use batch API calls with retry logic and emit a row-count reconciliation report after each board migration.

  5. Comment, attachment, and engagement migration

    Comments migrate as Trello card comments with author and timestamp preserved. Attachments are downloaded from Kantree's storage layer and re-uploaded to Trello cards. Files exceeding Trello's 10MB limit are flagged, and the customer chooses whether to attach via a Google Drive or Dropbox Power-Up link instead. Rich text comments convert to Trello-compatible markdown. The attachment reconciliation report lists every file that exceeded the limit with the Trello board, card, and filename for manual follow-up.

  6. Automation inventory and view reconstruction plan delivery

    We deliver the automation inventory as a structured document: one entry per Kantree automation rule with the trigger type, KQL condition logic, action chain, and a recommended Butler or Power-Up equivalent. We deliver the view reconstruction plan as a separate document: one entry per Kantree view (Table, Matrix, Timeline, Calendar, Gantt) with the filter configuration, sort order, displayed fields, and a recommended Trello approach (native view on Standard and above, Power-Up, or separate filtered board). We do not rebuild automations or views inside the migration scope.

  7. Cutover, delta sync, and hypercare

    We freeze Kantree writes 24 hours before cutover and run a final delta migration for any cards, comments, or attachments modified during the migration window. We then enable Trello as the system of record. We support a 5-business-day hypercare window where we resolve any reconciliation issues raised by the customer's team. We do not rebuild Kantree automations as Butler rules, recreate Kantree views in Trello Power-Ups, or configure Trello Power-Up subscriptions inside the migration scope.

Platform deep dives

Context on both ends of the pair

Kantree logo

Kantree

Source

Strengths

  • Seven native view types with per-view field selection and filtering — eliminates the need for third-party view plugins.
  • Deep customization without code — non-technical teams define card types, fields, and relationships without developer involvement.
  • KQL-powered conditional automations support multi-card queries and complex branching logic.
  • GDPR-compliant EU-hosted infrastructure with on-premise and SecNumCloud options for regulated industries.
  • Generous observer and guest model — external stakeholders can monitor progress without inflating licensing costs.

Weaknesses

  • Limited native third-party integrations — most connections require custom webhook or middleware solutions.
  • API rate limits and quotas are not publicly documented, creating uncertainty for high-volume automation scenarios.
  • No native mobile app — all access is through the web interface, which reviewers note as a significant gap for field teams.
  • Automation performance degrades on workspaces exceeding several thousand cards, a known issue addressed incrementally in recent changelog updates.
Trello logo

Trello

Destination

Strengths

  • Generous free tier with unlimited users and 10 boards, the lowest barrier to entry among major project management tools.
  • Intuitive drag-and-drop Kanban interface requires no training or onboarding documentation.
  • Deep Atlassian integration with Jira, Confluence, and Bitbucket for teams already in the ecosystem.
  • Built-in Butler automation covers rule-based triggers without requiring third-party integrations.
  • REST API with comprehensive documentation enables programmatic access to all core objects.

Weaknesses

  • Reporting and analytics are absent, with no built-in velocity tracking, burndown charts, or historical performance metrics.
  • The flat board/list/card data model scales poorly for complex projects requiring hierarchical task structures.
  • Customization is limited compared to platforms like Asana, monday.com, or Jira that offer richer field types and workflow configuration.
  • Advanced views (Timeline, Dashboard) require Premium and are not available on Standard, inflating total cost for teams needing visibility features.
  • Guest user billing rules are confusing and prone to accidental seat overages when guests join multiple boards.

Complexity grading

How hard is this migration?

Standard Project Management migration. 2 of 8 objects need a mapping; the rest are 1:1.

B

Overall complexity

Standard migration

Derived from compatibility, mapping clarity, API constraints, and data volume across Kantree and Trello.

  • Object compatibility

    B

    2 of 8 objects need a mapping; the rest are 1:1.

  • Field mapping clarity

    C

    Field mapping is derived from defaults — final spec confirmed during the sample migration.

  • Timeline complexity

    B

    8-object category — typical timelines run 2–7 days end-to-end.

  • API constraints

    B

    Kantree: Not publicly documented.

  • Data volume sensitivity

    B

    Kantree doesn't expose a bulk API — REST + parallelization used for high-volume runs.

Estimator

Estimate your Kantree to Trello migration cost

Rule-based pricing — no per-record fees, no manual quotes. Migrations over 2M records are scoped individually.

Step 1

What are you migrating?

Pick a category, then your source and destination platforms.

Category

FAQ

Frequently asked questions about Kantree to Trello data migrations

Answers to the questions buyers ask most during Kantree to Trello migration scoping. Not seeing yours? Book a call.

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Migrations under 10,000 cards with up to 3 custom field types per card type and no deep subcard hierarchies land in 3-5 weeks. Migrations with 5+ custom field types, subcard nesting beyond 2 levels, card relationship fields, and large attachment volumes (over 5,000 files) move to 6-10 weeks because of the custom field reduction strategy, relationship embedding work, and automation inventory scope.

Adjacent paths

Related migrations to explore

Ready when you are

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