Hexeditr ((top)) Jun 2026

environment for any binary format, letting users see and edit meaningful fields instantly while the engine keeps the file consistent.

| Format | Template File | Highlights | |--------|---------------|------------| | PNG | png.json | Chunk name, length, CRC validation, palette preview. | | JPEG | jpeg.json | SOI, markers, segment lengths, embedded EXIF parsing. | | ZIP | zip.json | Central directory entries, local file headers, CRC checks. | | MP3 | mp3.json | Frame sync, bitrate, VBR header, ID3 tags. | | Custom Game Save (e.g., “MyGame.sav”) | mygame.json | Player stats, inventory items (array of structs), checksum. | hexeditr

In hexeditr, press / then type a string. It will find the raw bytes (case-sensitive, unless you toggle with icase – check your version). environment for any binary format, letting users see

Now the file is a valid PNG again.