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Packet Fixer

Modrinth

A simple mod to fix various problems with packets, nbt and timeouts.

32.1M downloads1.3K followersUpdated 1mo ago

3.3.7 · MC 26.3 · Neoforge

View on Modrinth

Files

  • 3.3.7

    release

    Packet Fixer 3.3.7

    26.3neoforge

    2026-09-20 · 7.9K downloads

    PacketFixer-neoforge-3.3.7.jar · 31 KB

  • 3.3.6

    release

    Packet Fixer 3.3.6

    26.3fabricquilt

    2026-09-15 · 164.3K downloads

    PacketFixer-fabric-3.3.6.jar · 32 KB

  • 3.3.6

    release

    Packet Fixer 3.3.6

    26.3neoforge

    2026-09-15 · 432 downloads

    PacketFixer-neoforge-3.3.6.jar · 30 KB

  • 3.3.6

    release

    Packet Fixer 3.3.6

    26.2fabricquilt

    2026-07-16 · 420.3K downloads

    PacketFixer-fabric-3.3.6.jar · 30 KB

  • 3.3.6

    release

    Packet Fixer 3.3.6

    26.2neoforge

    2026-07-16 · 8.1K downloads

    PacketFixer-neoforge-3.3.6.jar · 29 KB

  • 3.3.5

    release

    Packet Fixer 3.3.5

    26.2fabricquilt

    2026-06-17 · 97.2K downloads

    packetfixer-fabric-3.3.5-26.2.jar · 30 KB

  • 3.3.5

    release

    Packet Fixer 3.3.5

    26.2neoforge

    2026-06-17 · 1.7K downloads

    packetfixer-neoforge-3.3.5-26.2.jar · 28 KB

  • 3.3.5

    release

    Packet Fixer 3.3.5

    1.21.111.21.101.21.9fabricquilt

    2026-04-22 · 720.8K downloads

    packetfixer-fabric-3.3.5-1.21.11.jar · 31 KB

  • 3.3.5

    release

    Packet Fixer 3.3.5

    1.21.111.21.101.21.9neoforge

    2026-04-22 · 8.9K downloads

    packetfixer-neoforge-3.3.5-1.21.11.jar · 28 KB

  • 3.3.5

    release

    Packet Fixer 3.3.5

    26.1.226.1.126.1fabricquilt

    2026-04-22 · 766.7K downloads

    packetfixer-fabric-3.3.5-26.1.2.jar · 30 KB

  • 3.3.4

    release

    Packet Fixer 3.3.4

    26.1.2fabricquilt

    2026-04-10 · 20.6K downloads

    packetfixer-fabric-3.3.4-26.1.2.jar · 30 KB

  • 3.3.2

    release

    Packet Fixer 3.3.2

    1.20.41.20.31.20.21.20.1+9fabricforgeneoforgequilt

    2026-04-04 · 3.5M downloads

    packetfixer-3.3.2-1.18-1.20.4-merged.jar · 184 KB

  • 3.3.4

    release

    Packet Fixer 3.3.4

    26.1.1fabricquilt

    2026-04-04 · 10K downloads

    packetfixer-fabric-3.3.4-26.1.1.jar · 30 KB

  • 3.3.4

    release

    Packet Fixer 3.3.4

    26.1fabricquilt

    2026-03-25 · 30.5K downloads

    packetfixer-fabric-3.3.4-26.1.jar · 30 KB

  • 3.3.4

    release

    Packet Fixer 3.3.4

    26.1.226.1.126.1neoforge

    2026-03-25 · 10.9K downloads

    packetfixer-neoforge-3.3.4-26.1.jar · 28 KB

  • 3.3.4

    release

    Packet Fixer 3.3.4

    1.21.10fabricquilt

    2026-01-24 · 42.3K downloads

    packetfixer-fabric-3.3.4-1.21.10.jar · 31 KB

  • 3.3.4

    release

    Packet Fixer 3.3.4

    1.21.10neoforge

    2026-01-24 · 704 downloads

    packetfixer-neoforge-3.3.4-1.21.10.jar · 28 KB

  • 3.3.4

    release

    Packet Fixer 3.3.4

    1.21.11fabricquilt

    2026-01-24 · 580.6K downloads

    packetfixer-fabric-3.3.4-1.21.11.jar · 31 KB

  • 3.3.4

    release

    Packet Fixer 3.3.4

    1.21.11neoforge

    2026-01-24 · 5.4K downloads

    packetfixer-neoforge-3.3.4-1.21.11.jar · 28 KB

  • 3.3.3

    release

    Packet Fixer 3.3.3

    1.21.11fabricquilt

    2026-01-01 · 86K downloads

    packetfixer-fabric-3.3.3-1.21.11.jar · 30 KB

Show more files (327 more)

Files are delivered unmodified from Modrinth's servers and verified against the SHA-512 hash published by the project. The project's license applies to every file; check it before redistributing.

About

Packet Fixer

Visit my discord server: Link

Description

This mod increases the packet sizes to prevent various package erros. This mod could be used in mod packs for increasing the number of mods.

The mod is required in Client and Server sides.

Prevent these problems:

  • Tried to read NBT tag that was too big; tried to allocate: X bytes where max allowed: 2097152
  • Badly compressed packet - size of X is larger than protocol maximum of 2097152
  • Attempted to send packet over maximum protocol size: 8388608
  • Chunk Packet trying to allocate too much memory on read.
  • Packet too big (is X, should be less than 8388608)
  • Payload may not be larger than 1048576 bytes
  • Payload may not be larger than 32767 bytes
  • Packet too large: size X is over 8
  • Length wider than 21-bit
  • Unable to fit X into 3
  • Connection timeouts
  • VarLong too big
  • VarInt too big

Recipe, tag and another problems try Recipe Fixer

Feel free to use this mod on your modpack