SeedMapper vs Amidst

SeedMapper8.0Visit AAmidst6.2Visit

Higher score SeedMapper #5 in Minecraft Seed Map Tools 8.0/10 Free · open source (LGPL) Free plan✓ 3 of 5 features Get SeedMapper

vs

A Amidst #8 in Minecraft Seed Map Tools 6.2/10 Free · open source (GPLv3) Free plan✓ 2 of 5 features Get Amidst

• SeedMapper fits best

  Java players who want seed data in-game

• Amidst fits best

  Mapping old Java worlds from 1.17 or earlier

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Side by side

Feature	SeedMapper 8.0/10 Visit ↗	AAmidst 6.2/10 Visit ↗
At a glance
Editor score	8.0	6.2
Ranking	#5 in Minecraft Seed Map Tools	#8 in Minecraft Seed Map Tools
Best for	Java players who want seed data in-game	Mapping old Java worlds from 1.17 or earlier
Pricing model	Free	Free
Starting price	Free · open source (LGPL)	Free · open source (GPLv3)
Free plan	✓	✓
Free trial	—	—
Features SeedMapper 3/5 · Amidst 2/5
Java Edition	✓	✓
Bedrock Edition	—	—
Seed finder	—	Not checked yet
Nether & End maps	✓ (best)	Not checked yet
Open source	✓	✓
Specs
Runs on	Fabric mod (Java Edition)	Windows, Any OS with Java
Newest Java version	26.3	1.17
Our review
Pros	In-game seed map and a rotating HUD minimap from the configured seed Locate commands cover biomes, structures, ore veins and chest loot Builds for Minecraft 1.16.5 through 26.3, updated several times a month	Reads seeds from save games and exports the map as an image Shows slime chunks, End islands and more than a dozen structure types Maps very old beta-era worlds that most tools skip
Cons	Java Edition with Fabric only; Bedrock players cannot use it You must know the seed first, or crack it with a separate mod Versions 1.21.11 and older need Java 23 set up in the launcher by hand	Support stops at Minecraft 1.17, before the 1.18 terrain overhaul The last release, 4.7, dates from June 2021 The project is looking for a new maintainer
Our verdict	SeedMapper brings the seed map into Minecraft Java Edition itself. It is a client-side Fabric mod, free and open source under the LGPL, distributed through Modrinth with builds for Minecraft 1.16.5 through 26.3. After the seed is set with… Read the review →	Amidst, short for Advanced Minecraft Interface and Data/Structure Tracking, is one of the oldest seed viewers still available, and its biome colours live on in several newer tools that credit it. It renders an overview of a Java Edition… Read the review →

Strengths and trade-offs

• SeedMapper — where it wins

  • In-game seed map and a rotating HUD minimap from the configured seed
  • Locate commands cover biomes, structures, ore veins and chest loot
  • Builds for Minecraft 1.16.5 through 26.3, updated several times a month

  Where it doesn't

  • Java Edition with Fabric only; Bedrock players cannot use it
  • You must know the seed first, or crack it with a separate mod
  • Versions 1.21.11 and older need Java 23 set up in the launcher by hand

• Amidst — where it wins

  • Reads seeds from save games and exports the map as an image
  • Shows slime chunks, End islands and more than a dozen structure types
  • Maps very old beta-era worlds that most tools skip

  Where it doesn't

  • Support stops at Minecraft 1.17, before the 1.18 terrain overhaul
  • The last release, 4.7, dates from June 2021
  • The project is looking for a new maintainer

• SeedMapper8.0/10 · Free · open source (LGPL)

  A seed map without leaving the game: explorable map, HUD minimap and commands to locate biomes, loot and ores.

  Get SeedMapperFull verdict →
• AAmidst6.2/10 · Free · open source (GPLv3)

  The classic desktop seed viewer, still useful for pre-1.18 Java worlds but frozen at Minecraft 1.17.

  Get AmidstFull verdict →