Group related values so readers can see the shape quickly
A readable data table starts with grouping, not spacing. If values that belong together are scattered across the table, formatting alone will not make the structure intuitive.
The best approach is usually to cluster fields by purpose. Put identity fields together, numeric tuning values together, and nested content lists where they logically belong. That makes future edits much easier to reason about.
- Keep identity or label fields together.
- Group tuning numbers together instead of scattering them.
- Treat nested arrays and nested keyed objects as separate readable units.
A concrete before and after
Here is the same shop item written two ways. The flat version crams everything onto one line: { id = 1, name = ‘Sword’, price = 100, dmg = 10, spd = 2, rare = true }. It runs fine, but a reader cannot tell at a glance which fields are identity, which are pricing, and which are combat tuning.
The grouped version keeps the identity fields (id, name) first, moves the combat numbers into a nested stats = { damage = 10, speed = 2 } block, and leaves flags like rare = true at the end. Nothing about the data changed, but the shape now matches how a designer thinks about the item, so the next edit lands in the right place. Renaming dmg and spd to damage and speed inside that block also documents intent without needing a comment.
- Flat: { id = 1, name = ‘Sword’, price = 100, dmg = 10, spd = 2, rare = true } — valid, but shapeless.
- Grouped: identity (id, name), then price, then a nested stats = { damage = 10, speed = 2 } block, then flags like rare = true.
- The grouped layout makes a missing or duplicated stat obvious, because every item follows the same visible shape.
Avoid nesting deeper than the workflow really needs
Nested tables are powerful, but too many levels make a data block hard to scan and easy to break. If a reader has to keep tracking several opening and closing braces mentally, the structure is already becoming more expensive than it should be.
A useful rule is to keep the top-level categories meaningful and avoid creating tiny wrapper objects unless they genuinely clarify the model. Extra nesting should earn its place.
- Keep the top level meaningful and stable.
- Use nesting when it clarifies ownership or grouping.
- Avoid wrapper layers that add no new information.
Keep similar records aligned with each other
If a table contains repeated objects, readability improves when each object follows the same field order and general layout. That way the reader can compare entries without re-learning the structure every time.
Alignment does not mean rigid visual columns. It means consistent ordering, predictable nesting, and enough spacing that a difference between records is easy to spot.
- Reuse the same field order for similar objects.
- Keep list entries structurally similar whenever possible.
- Optimize for comparison, not just for compactness.
How to use this with our tools
Use the Roblox Lua Table Formatter when you already have the right data but the current layout makes it harder to inspect. The formatter is most helpful after you decide the structural grouping you want, because it gives that structure a cleaner shape.
In other words, think about grouping and nesting first, then use formatting to make the decision easier to maintain.
- Decide the logical grouping before you paste the table.
- Format the block to make that grouping visible.
- Review the output again after any major structural change.