losslessly

At a glance

• Editor score
  3.0 / 10
• Pricing
  Open source
• Best for
  Technical users seeking open-source image compression
• Paid from
  Free
• Facts checked
  24 Sep 2026

• Where it wins

  • Open-source project with publicly available source code
  • Official GitHub repository combines code and documentation
  • Community support aligns with repository-based collaboration

• Where it doesn't

  • Community-only support may not suit teams needing formal commitments
  • Repository-centric distribution favors technical users over turnkey buyers
  • Narrow image-compression focus may not cover broader media workflows

Our verdict on losslessly

Losslessly is an open-source image compression project maintained by kdoroszewicz and distributed through a public GitHub repository. The repository serves as its official home, combining source code with project documentation. It is suited to developers and technical teams that want a repository-based compression utility they can inspect and incorporate into their own workflows. Its positioning is narrow: image compression rather than a broader media-management suite.

GitHub distribution places Losslessly in a source-centric environment familiar to technical teams. Users can review the available code and documentation when considering how the project fits into an existing workflow. The open-source model suits organizations that prefer repository-based software over a commercial subscription structure. Community support is the stated support channel, so questions and troubleshooting follow that model rather than a formal service desk. This makes Losslessly a better fit for technically self-sufficient users than organizations that require contractual support or managed onboarding.

The project has a clear category purpose, but buyers comparing compression behavior, format coverage, automation, or platform support will need a broader basis for evaluation. Teams seeking documented benchmarks, turnkey administration, or explicit enterprise commitments should compare alternatives that emphasize those areas. Losslessly makes the most sense when open-source access and GitHub-based distribution matter more than a broad feature matrix or formal support program. It is less suitable for teams that need defined service levels, packaged deployment, or extensive ecosystem documentation before adoption.

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losslessly fact sheet

Alternatives to losslessly

• TinyPNGA flexible compressor for web workflows, batch processing, and automated image pipelines.9.3
• OptimoleA strong WordPress-focused optimizer for responsive images, modern formats, and CDN delivery.9.2
• TThumborA self-hosted image service with URL transformations, smart cropping, and format selection.9.1

See all losslessly alternatives →

Featured on iTechGuides

losslessly is listed in our Image Compression Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update