Thumbnailing

What is Thumbnailing?

Thumbnailing is a Fabric modpack for Minecraft 1.21.11, published by mangofx on Modrinth since 2025.

The latest release, 2.3.1 from Aug 19, 2026, declares 32 mods plus 9 other projects such as resource packs or shaders. Across 11 published versions it has covered Minecraft 1.20.1 through 1.21.11.

With 45K downloads it ranks #389 of the 518 most-downloaded Modrinth modpacks we track, and its authors tag it as lightweight and optimization.

• Lightweight
• Optimization

Most widely used mods in Thumbnailing

The latest version declares 41 projects, 32 of them mods. The ones below appear in the most packs we track.

• Cloth Config API
• Sodium
• Fabric API
• ImmediatelyFast
• Lithium
• Mod Menu
• Iris Shaders
• YetAnotherConfigLib (YACL)
• Architectury API
• [ETF] Entity Texture Features
• [EMF] Entity Model Features
• Sodium Extra
• Reese's Sodium Options
• Text Placeholder API
• Dynamic FPS
• Concurrent Chunk Management Engine (Fabric)
• Indium
• Lithostitched
• Packet Fixer
• MRU
• MaLiLib
• Chunky
• e4mc
• Tectonic

Full Thumbnailing mod list

How its mod list compares

Less common picks: 2 mods found in five or fewer tracked packs.

• NPC Studio
• Simply No Shading

Packs with the most mods in common

• Fabric Optimized Fabric for 1.21.11 15 mods in common
• Spunky Boost Fabric for 26.3 15 mods in common
• Fresh Animatons "Fabric"ated Fabric for 1.21.11 13 mods in common
• Lunar Fps Fabric for 26.3 16 mods in common
• FPS BOOST Fabric / Forge for 26.3 15 mods in common

What kinds of mods are in Thumbnailing?

Of its 32 mods, 21 are tagged utility, 9 library and 9 optimization. Mods can carry several tags, so the counts overlap.

At 16% management, that is a larger share than 99% of the 491 packs we track.

• utility: 21 (66%)
• library: 9 (28%)
• optimization: 9 (28%)
• management: 5 (16%)
• decoration: 3 (9%)
• worldgen: 3 (9%)

How big is Thumbnailing?

With 32 mods, Thumbnailing has fewer mods than 69% of the 491 packs we track and fewer mods than 60% of the 35 on Minecraft 1.21.11.

The pack file is 43 KB. 17 mods are client-only and 14 also run on a server. Alongside the mods it declares 1 resource pack and 8 shaders.

How actively is Thumbnailing updated?

Thumbnailing was first published on Nov 6, 2025, and has 11 published versions in total.

The latest release, 2.3.1, is dated Aug 19, 2026, 84 days before our data was fetched on Nov 11, 2026. Releases have covered 2 Minecraft versions over 286 days.

Staple mods Thumbnailing includes and leaves out

Across the 325 Fabric packs we track, 15 mods turn up most often. Thumbnailing includes 12 of them; it leaves out FerriteCore, Entity Culling and Fabric Language Kotlin.

How much RAM does Thumbnailing need?

Thumbnailing needs 4 GB allocated (2 GB minimum). Our estimate from the 32-mod list, not measured.

How to set allocated memory

How to install Thumbnailing

Search for "Thumbnailing" in the Modrinth source of your launcher. Pick version 2.3.1 for Minecraft 1.21.11 (Fabric). Modpack install guide.

Does Thumbnailing need a server install?

No: Thumbnailing is marked client-only on Modrinth, so there is no server install and players can join an ordinary server running Minecraft 1.21.11.

Modpack server guide.

Versions

Newest build for each of 2 Minecraft version and loader pairs.

Official links

• Thumbnailing on Modrinth (downloads and changelog)
• Discord

Facts on this page come from Modrinth's public API, last fetched Nov 11, 2026. Descriptive text is our own. Spotted an error, or are you the author and want something changed? See disclaimer and takedowns.