Migrate from Confluence to Slab with precision & ease

A seamless, customizable migration solution for moving your Confluence data with perfect fidelity and minimal disruption.

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Confluence
Slab
MIGRATION OVERVIEW

Why teams migrate from Confluence to Slab

Slab has a native Confluence importer — you upload a Confluence XML space backup, Slab processes it server-side, and you get a confirmation email 1–3 days later. But macros, page-level permissions, version history, and embedded content without a Slab equivalent are silently dropped. For small, mostly-text Confluence spaces, the native importer works. For anything with complex macros, deep page trees, or hundreds of attachments, you need either a custom API pipeline or a managed migration service.
Confluence is built on Spaces with strict parent-child page hierarchies, XHTML-based storage format with embedded macros, and granular page-level restrictions. Slab is built on Topics (flexible groupings) and Posts stored in Quill Delta format — with no macro system, no page templates, no per-post permissions, and a flatter organizational model. The macro problem is the biggest architectural gap: Jira macros, status badges, draw.io diagrams, and expand/collapse have no Slab equivalent.
A successful migration requires converting Confluence Storage Format to Markdown, handling every macro type explicitly, re-hosting attachments from Confluence's CDN, rewriting all internal links via a two-pass page-ID-to-post-URL mapping, and navigating Slab's 1,000 complexity points per minute GraphQL API rate limit — all while Confluence's own API enforces separate burst and point-based quotas.
KEY CHALLENGES

What makes this migration complex

These are the architectural mismatches and technical hurdles specific to a Confluence to Slab migration.

Most Critical

Macro Gap

Slab has no macro system. Jira macros, status badges, draw.io diagrams, expand/collapse, Page Include, and roadmap macros have no equivalent — each requires an explicit handling decision.

Internal Link Rewriting

All Confluence page-ID-based URLs break after migration. A two-pass approach is required — migrate all pages first, then rewrite every link using a confluence_page_id → slab_post_url mapping table.

1–3 Day Processing Blind Spot

The native importer provides no progress visibility during processing. Large XML exports can fail with OutOfMemory or timeout errors, and there is no incremental import — it's full space or nothing.

Permission Model Downgrade

Confluence has page-level restrictions. Slab has topic-level permissions only (Open, Private, Secret, Public). Per-post access control does not exist, requiring complete permission redesign.

Attachment Re-Hosting

Images referenced by URL in Confluence Storage Format point to the Confluence instance which will be decommissioned. Every attachment must be downloaded, re-uploaded to Slab, and relinked in the post content.

COMPLETE COVERAGE

Intelligent Human-Verified Data Mapping

Our migration engineer precisely maps every data point from Confluence to Slab, ensuring perfect continuity for your customer support operations.

Confluence
Slab
Pages
Post
Blog Posts
Post
Spaces
Topic
Labels
Topic
Comments (Inline)
NotAvailable (workaround: append to post body)
Comments (Footer)
NotAvailable (workaround: append to post body)
Attachments
Post
Page Templates
Post
Smart Links / Embeds
Post
Tasks
Posts (embedded as checklists/content)
Space Permissions
NotAvailable (partial approximation via Slab's native access controls)

Looking for more entity mappings?

Contact our team
MIGRATION RISK ASSESSMENT

Every migration risk, already solved

Migration between platforms is full of edge cases. Our engineers have identified every risk from Confluence to Slab and built proven solutions for each one.

Migration Challenge ClonePartner Status
High Complexity —
Solved
Confluence Macros (Jira, Status, Roadmap)
No Slab equivalent exists — content inside macros can sometimes be extracted as text but macro behavior is permanently lost
Solved
Page-Level Permissions
Slab only supports topic-level permissions — per-page restrictions cannot be replicated and require complete redesign
Solved
Internal Links
All Confluence URLs break unless a full page-ID-to-post-URL mapping and rewriting pass is performed
Solved
Version History
Not migrated — Slab maintains its own version history only from the import date forward
Solved
Page Templates
Slab has no template system — all Confluence templates must be recreated manually as reusable posts
Solved
Custom Engineering —
Handled
Draw.io / Gliffy Diagrams
Must be exported as PNG/SVG and embedded as images — the editable diagram capability is permanently lost
Handled
Expand / Collapse Sections
No native equivalent in Slab — collapsed content is flattened inline
Handled
Blog Posts
No distinct blog type in Slab — blog posts become regular posts optionally grouped in a dedicated topic
Handled
Attachments
Size limits vary by plan (10 MB Free to 100 MB Business) — large PDFs or archives may exceed Slab's limits
Handled
Clean Transfer
Code Blocks
Maps cleanly to Slab's code blocks with language identifier normalization
Clean
5 high-complexity solved
4 custom-engineered
1 clean transfers
CUSTOM MIGRATION

Fully customizable engineer-led migration

Tailor your migration from Confluence to Slab exactly to your needs with our flexible customization options. Our experts will configure the perfect migration plan for your business.

Migration Filters

Publication Status

Filter by published, draft, archived, or internal-only articles

Language & Locale

Migrate specific language versions or translations only

Category Selection

Select specific sections, folders, or categories to migrate

Time Range

Migrate articles created or updated within a specific period

Data Types

Articles & Content

Core help articles including HTML formatting and inline images

Categories & Hierarchy

Full folder structure with sections, sub-sections, and parent categories

Media & Attachments

All downloadable files, PDFs, and media assets embedded in articles

Tags & Metadata

SEO settings, search labels, author attribution, and article tags

ZERO DOWNTIME

Your timeline. Our engineers.

A dedicated engineer runs your migration, planned around your schedule and your data.

No babysitting a wizard. Avoid debugging errors yourself.

Looking for a more detailed migration timeline?

Contact our team

Speed

The migration timeline depends on both our turnaround time and yours.

We can complete a migration in under a day when the accounts are connected and the sample migration is approved promptly.

Background Sync

We also support migrating the newest records first, so you can go live faster while the rest of the data is synced in the background.

Data Volume Impact

Larger data volumes may require longer migration windows.

Continuous Operation

Weekend migrations minimize disruption to your customer service operations.

MIGRATION TIMELINE

Your Confluence to Slab migration, step by step

See how long your migration will take from start to finish. Drag the slider to estimate based on your data volume.

How many records are you migrating?

<10K 50K 100K 250K 500K 1M 2M 5M 10M+
Checklist ~3 days
Sample 1 day
Review ~2 days
Full 2 days
Delta 1 day
Your team ClonePartner

Estimated total

~9 business days

1

Migration Checklist

1 day · ClonePartner ~2 days · Your team

We prepare the optimal data mapping as a shareable spreadsheet. Your team reviews, approves, and adds any customizations.

2

Sample Migration

1 day · ClonePartner

We run a test migration with a representative sample of your data to verify mapping accuracy and identify any potential issues before the full run.

3

Review & Approve

~2 days · Your team

Your team reviews the sample migration results, confirms data accuracy and mapping, and gives the go-ahead for the full migration.

4

Full Migration

2 days · ClonePartner

We execute the complete migration of all your data to your new Slab, with real-time progress tracking and comprehensive logging.

5

Delta Migration

1 day · ClonePartner

We capture and transfer any new data that was added or updated during the main migration to ensure no data is lost. This final sync keeps everything current.

Timeline is an estimate. Actual duration depends on API rate limits, data complexity, and your team's availability.

Get an exact timeline

Complete Technical Guide

Confluence to Slab Migration: The CTO's Technical Guide

Slab's native Confluence importer handles simple spaces but drops macros and takes 1–3 days. For complex migrations, use an API pipeline or managed service to preserve links, attachments, and content fidelity.

21 min read

Read the guide

Pros and cons of different migration options

Choosing the right approach is key because migrating from Confluence to Slab isn't just about moving data – it's about protecting customer relationships.

Feature / Criteria ClonePartner Automated Tools CSV Import In-house migration
Custom Scripting for complex data ✓ Engineers build & maintain ✗ No ⚠ Manual ✓ Yes – but costly
Sandbox & Pilot Migrations ✓ Full sandbox + pilot plans ⚠ Limited ✗ No ⚠ Often Informal
Manual validation & reconciliation ✓ Automated + manual QA ✗ No ✓ Yes (Manual) ✓ Heavy manual effort
Backup & rollback plan ✓ Robust procedures ✗ No ✗ No ⚠ Often incomplete
Handles automation and integrations ✓ Full support ⚠ Partial ✗ No ⚠ Possible but fragmented
Post-migration engineer support ✓ Dedicated engineers ✗ No ✗ No ⚠ Limited SLA
Adaptable to API changes ✓ Proactive adaptation ✗ No ⚠ Manual fixes ⚠ Slower response
Turnaround / SLA predictability ✓ Predictable SLAs ⚠ Fast but brittle ⚠ Slow and manual ⚠ Often slower
Data Security & Compliance ✓ High – enterprise grade ⚠ Medium (depends) ⚠ Low (manual) ⚠ Hidden gaps common
Pricing predictability ✓ Transparent & fixed ⚠ Low (per-job) ⚠ Low (manual hours) ⚠ High/variable OPEX
End-to-end project management ✓ Full E2E delivery & PM ✗ No ✗ No ⚠ Often partial
Business impact & opportunity cost ✓ No diversion of staff ✗ No ✗ No ⚠ Diverts engineering

What does an Engineer-led migration mean anyway?

Speed & Accuracy: Our Blended Method

We blend automation (smart scripts, bulk APIs) with human expertise for speed without risk. Our engineers manually check every mapping, validation, and exception.

You get:

  1. Speed of automation for bulk record migration
  2. Precision of engineers verifying integrity and business logic
  3. Pilot migrations and sandbox testing to catch issues early
  4. Real-time validation reports and rollback readiness
Result: 50x faster migrations than manual imports — with near-zero error rates.

Handling the Tricky Tech and API Details

The Confluence and Slab APIs each behave differently, which is where our engineers shine. We build custom logic to handle the data quirks where generic tools typically break.

We handcraft API logic for:

  1. Field mapping and transformation
  2. Pagination, rate-limit handling, and throttling
  3. Preserving conversation threads, attachments, and internal notes
  4. Syncing custom fields, SLAs, and macros without breaking structure
Our scripts: Natively retry failed calls, re-queue large attachments, and ensure data parity.

No Guesswork

We don't just promise smooth migrations—we measure and prove them. Every client receives a Migration Validation Report with all metrics.

Typical results across projects:

  1. 100% record-count parity between your Confluence data and Slab
  2. Zero downtime during staged cutovers
  3. 99.9% attachment integrity (verified via checksum)
  4. Full automation and preservation of all business rules
Our standard: Includes full SLA preservation and 48 hours of engineer-assigned support post go-live.

We Adapt to Your Setup (Not the Other Way Around)

No two teams configure Confluence or Slab exactly the same way—with unique automations and data. We customize every migration script to fit your exact workflow, tags, and triggers.

Our engineers adapt for:

  1. Custom fields, ticket forms, and workflows
  2. Multi-brand or multi-language setups
  3. Historical imports and partial (date-based) migrations
  4. Integration re-mapping for CRMs, chat, or feedback tools
The promise: If your data doesn't fit a standard template, we build one just for you.

Enterprise-Grade Security & Compliance

Your customer data is precious. Our migration process maintains the highest standards of security and regulatory compliance.

SOC 2 Type II

Independently audited compliance with rigorous security standards

ISO 27001

Certified information security management system

GDPR

Full compliance with EU data protection regulations

HIPAA

Certified for handling protected health information

AES-256 Encryption

Bank-grade encryption for all stored credentials

Latest TLS

Secure transfer protocol for all data in transit

Role-Based Access

We follow role-based access control for every migration project

Scheduled Deletion

Automatic data purging after migration completion

FAQ

Frequently Asked Questions

Everything you need to know about migrating from Confluence to Slab. Can't find what you're looking for? Talk to our team.

Does Slab have a native Confluence importer?
Yes. Slab admins can upload a Confluence XML space backup via Team Settings → Import & Export → Confluence. Processing takes 1–3 days depending on size and complexity. Macros, page-level permissions, unpublished drafts, and version history are not preserved.
Can I migrate Confluence to Slab with CSV?
Not through Slab's native path. Confluence can export CSV, but Slab's built-in importer specifically expects a Confluence backup or XML space export. CSV is intended for Confluence-to-Confluence imports.
What Confluence data is lost when migrating to Slab?
Confluence macros (Jira, status, draw.io, expand/collapse), page-level restrictions, version history, page templates, and unpublished drafts are all lost or unsupported in Slab. Internal links break unless rewritten. Attachments need re-hosting.
What are the API rate limits for Confluence and Slab?
Confluence Cloud enforces burst rate limits for API-token traffic and point-based quotas (65,000 points/hour) for Forge, Connect, and OAuth apps. Slab's GraphQL API enforces a complexity-based limit of 1,000 points per minute via a token bucket algorithm. Slab's API is only available on Business or Enterprise plans.
How do I preserve internal links when migrating from Confluence to Slab?
Use a two-pass approach: first migrate all pages and record a mapping of Confluence page IDs to new Slab post URLs, then walk every migrated post and replace Confluence URL patterns with Slab URLs using that mapping table. The native importer handles intra-space links partially but will break cross-space links.
How long does the Confluence to Slab migration take?
Most migrations complete within 1–5 business days, depending on data volume and complexity. We provide a detailed timeline after the initial assessment and can often complete small migrations in under 24 hours.
Will my team lose access to Confluence during the migration?
No. Your source system remains fully operational throughout the entire migration. We run the migration in the background with zero downtime to your current operations.
Will there be downtime when migrating from Confluence to Slab?
No. Our migration process is designed for zero downtime. We use a staged approach with background sync and a fast cutover, ensuring no disruption to your live business operations.
How do I validate that everything migrated correctly?
Every client receives a Migration Validation Report with comprehensive metrics including record-count parity, attachment integrity verification via checksum, and full audit logs. We also offer unlimited sample migrations so you can verify before committing.
Do I need professional help for this migration?
While simple migrations can sometimes be handled in-house, professional help ensures zero data loss, proper field mapping, and preservation of relationships between records. Our engineer-led approach catches edge cases that automated tools miss.
Does ClonePartner provide guidance before committing?
Yes. We provide a free consultation and assessment. We'll review your data structure, discuss your requirements, and provide a detailed migration plan and fixed-price quote before you commit to anything.

Still have questions?

Book a free 30-minute consultation with our migration engineers. We'll walk you through the exact approach for your Confluence→Slab migration.

Contact our team

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Attention to Detail

We meticulously handle every aspect of your migration, ensuring no data is lost during transfer and mapping every field correctly between platforms.

Custom Solutions

Every business is unique. We tailor your migration strategy to match your specific requirements, workflows, and data structures.

Security & Compliance

Your customer data is handled with enterprise-grade security protocols, ensuring compliance with GDPR, HIPAA, and industry standards.