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CompressionX promises better compression and greener storage, but locks core features behind a monthly feeClaims of smart algorithms and 65% compression remain unverified and need independent testingThe software mimics top file managers but adds a price tag where others are freeA British startup says it has achieved a breakthrough in data compression with a new tool which it claims can deliver up to 65% lossless file reduction.CompressionX is touted as an alternative to the best file compression tools on the market. It is also marketed as both environmentally conscious and business-friendly.But while the promise is bold, the price of entry may deter casual users, and the effectiveness or distinctiveness of CompressionX will need to be demonstrated under closer scrutiny.The bold claims and greener pitchCompressionX is marketed not only as a performance upgrade but also as a response to the growing environmental impact of data storage.The developers claim it works differently from traditional tools by using a “smart, adaptive algorithm” rather than a generic compression routine.With projections linking data centers to a potential 8% share of global carbon emissions by 2030, the software is being positioned as a solution that can help organizations shrink their digital footprint.The startup highlights several features intended to set CompressionX apart, including GDPR-compliant archiving, XChaCha20 encryption, and compatibility with .zip and .7z formats.While this might suggest it is among the best file managers for handling compressed content, many of these capabilities are already common in mature tools such as WinZip, 7-Zip, and PeaZip.The company also claims its adaptive algorithm can outperform older systems by dissecting file structures more intelligently.But without peer-reviewed benchmarks or external validation, it remains unclear whether this performance boost is meaningful or just marketing gloss.CompressionX promises seamless use, even for non-technical users, and touts integration with both hardware storage and online services.It suggests it could be useful for people who use popular cloud storage platforms, claiming to help save space and move large files more easily.Although this claim, like others, rests on the assumption that users will switch from free, open-source alternatives to a paid, unproven solution without hesitation.Despite the ecological rhetoric, only the most basic functionality is available for free, and it offers only up to 25GB of compression per month.Users who want unlimited compression and business-grade features must pay £3.99 per month per user, billed annually, a detail that places this green promise firmly behind a paywall.Whether the software genuinely delivers market-leading compression or simply repackages existing solutions with fresh branding is something only long-term use and independent testing will confirm.You might also likeThese are the best VPN with antivirus solutionsTake a look at our pick of the best password managersMicrosoft 365 and Google Workspace could put sensitive data at risk

After a surprise plea deal agreement, Bryan Kohberger appeared in court on Tuesday and admitted to killing four University of Idaho students: Madison Mogen, Kaylee Goncalves, Xana Kernodle and Ethan Chapin. "48 Hours" correspondent Peter Van Sant and CBS News legal analyst Mary Fulginiti explain the significance of this latest court hearing and how it has affected the families of the victims. While some support the deal, others feel justice hasn't been served. As for motive, this remains a mystery. This episode was recorded on July 2.