EZ ROM Patcher vs IPS Patcher

EZ ROM Patcher is a free browser tool for applying patch files to game ROMs, producing modified games such as fan translations, ROM hacks, bug fixes, and restoration patches. The maker says patching runs on the user’s device and that ROMs and patches are not transmitted to a server. It supports IPS, BPS, UPS, APS, RUP, PPF, BSDiff, xdelta/VCDIFF, EBP, and Star Rod .mod patches. A patch creator compares an original ROM with an edited copy and can create IPS, BPS, UPS, APS, RUP, PPF, and EBP patches. A separate checksum tool calculates CRC32, MD5, and SHA-1 hashes and compares them with entered values or .sfv, .md5, and .sha1 files. ZIP archives can be unpacked, with a choice of patch when an archive contains several; RAR and 7z archives must be extracted first. The site says it works in mobile Safari and Chrome, although large disc images may exceed a phone browser’s available memory. Some patch formats include checksums the tool checks, while IPS, PPF, xdelta, and BSDiff do not record one. No account is required, and users supply their own ROM files.

IPS Patcher has no write-up on Specifiction yet; its figures are above.