JODConverter automates document conversions using LibreOffice or Apache OpenOffice.

The JAVE (Java Audio Video Encoder) library is Java wrapper on the ffmpeg project

A professional video compression tool accessible to all, mostly based on FFmpeg.

🍬 A library converting XLS and XLSX files to a list of Java objects based on Apache POI

jPSXdec: cross-platform PlayStation 1 audio and video converter

Bits'N'Picas - Bitmap & Emoji Font Creation & Conversion Tools

A converter that generates a bash one-liner from an SQL Select query (no DB necessary)

A multi platform image density converting tool converting single or batches of images to Android, iOS, Windows or CSS specific formats and density versions given the source scale factor or width/height in dp. It has a graphical and command line interface and supports many image types (svg, psd, 9-patch, etc.) aswell as some lossless compressors …

[⚠️ARCHIVED] A Converter implementation using LoganSquare JSON serialization for Retrofit 2.

Converts multisamples from a source format (WAV, multisample, KMP, wavestate, NKI, SFZ, SoundFont 2) to a different destination format.

🚥 A dataset migration tool from MongoDB to Elasticsearch and vice versa.

OST2PST - converts Outlook OST files to PST format

Converter written in Java to convert between different Bible program formats

A converter for the OSM PBFs to Parquet files

A flexible Java text processor. BB, BBCode, BB-code, HTML, Textile, Markdown, parser, translator, converter.

Converts HL7 v2 Messages to FHIR Resources

OSM planet dump high performance data loader. Transform OpenStreetMap World/Region PBF dump into partitioned by H3 regions PostGIS pgsnapshot (lossless) OSM schema representation and/or into ArrowIPC/Parquet dumps

Highly configurable converter from JSON-schema to XML-schema (XSD).

Reads and writes thousands of different archive and image formats used in games.

Standalone program and library which can downgrade Java classes/programs down to Java 8