Grid slicer
Ranked 3 of 5 3D printer slicers by recommenders
Free, browser-based slicer for 3D printing, CNC and laser cutting, with no accounts or subscriptions and fast loading. Critics say it lacks a true offline app.
Free, browser-based slicer for 3D printing, CNC and laser cutting, with no accounts or subscriptions and fast loading. Critics say it lacks a true offline app.
11 people gave an opinion
- recommend it
- 9
- criticize it
- 2
- approval share
- 82%
Recommended in 1 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: recommended
- February 2026: not recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 9 people recommend itNeeds 10 or more, not met.
- 4.5 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 1 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
One tool for laser, CNC and 3D printing
“A fun thing you can do with this excellent sw is to slice a 3d object into slices to cut with a laser cutter.”
Comment from 30 Jan 2026 in “Grid: Forever free, local-first, browser-based 3D printing/CNC/laser slicer” “really appreciate the ability to use the same tool for laser cutting, 3d printing, and CNC”
Comment from 30 Jan 2026 in “Grid: Forever free, local-first, browser-based 3D printing/CNC/laser slicer” Fast, light, pure HTML5 app
“it uses pure html5,css,js, it is extremely fast and light”
Comment from 30 Jan 2026 in “Grid: Forever free, local-first, browser-based 3D printing/CNC/laser slicer” “fully loads in under a second”
Comment from 30 Jan 2026 in “Grid: Forever free, local-first, browser-based 3D printing/CNC/laser slicer”
What people warn about
Each mark is one comment
Misses top surfaces on imported models
“it didn't generate any top surfaces (except for the topmost one) for a model I imported in”
Comment from 29 Jan 2026 in “Grid: Forever free, local-first, browser-based 3D printing/CNC/laser slicer” Default Ender 3 profile has a bug
“this does look like a bug in the default Ender 3 profile. easily fixable.”
Comment from 30 Jan 2026 in “Grid: Forever free, local-first, browser-based 3D printing/CNC/laser slicer”
Other 3D printer slicers people recommend
The four most recommended other 3D printer slicers, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| OrcaSlicer | 32 | 9 | 78% | 6 | — | Approved |
| PrusaSlicer | 15 | 1 | 94% | 6 | — | Approved |
| Grid slicerThis page | 9 | 2 | 82% | 1 | — | — |
| ColorMix for PrusaSlicer | 8 | 2 | 80% | 1 | — | — |
| Bambu Studio | 7 | 35 | 17% | 4 | — | — |
What people said
All 12 comments that mention it, newest first. Each links to the original comment.
“If you are worried, download and self host.”
“A fun thing you can do with this excellent sw is to slice a 3d object into slices to cut with a laser cutter.”
“that’s exactly what this is”
“why you'd use it over a native slicer is beyond me”
“it uses pure html5,css,js, it is extremely fast and light”
“having good in-browser software like this is incredibly useful when you have a classroom full of students”
“fully loads in under a second”
“It's a shame they don't have an actual application for a truly offline experience.”
“this does look like a bug in the default Ender 3 profile. easily fixable.”
“really appreciate the ability to use the same tool for laser cutting, 3d printing, and CNC”
“it didn't generate any top surfaces (except for the topmost one) for a model I imported in”
“100% free, no subscriptions, no accounts, no cloud”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.