LSM Converter

Convert microscopy images (LSM) online for free


Drop or upload your .LSM file
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How to convert your LSM file

  1. Click the "Select File" button above, and choose your LSM file.
  2. You'll see a preview.
  3. Click the "Convert file to..." button to save your file in the format you want.

Convert LSM to another file type

The converter easily converts your LSM images to various formats - free and online. No Carl Zeiss ZEN or or other Raster Image software needed.

  • LSM to PI4
  • LSM to QTL
  • LSM to NOL
  • LSM to JIF
  • LSM to PC3
  • LSM to PPM
  • LSM to RPNM
  • LSM to PIX
  • LSM to RPBM
  • LSM to JPE
  • LSM to 92I
  • LSM to RLB

Convert a file to LSM

To convert other file formats to the "Microscopy Image File" file type, you need software like Carl Zeiss ZEN or a similar tool.


About LSM files

The .LSM (Laser Scanning Microscope) file is a highly specialized image format primarily utilized by Carl Zeiss laser scanning microscopes. It stores multi-dimensional confocal microscopy data, including multiple image channels, fluorescence emission data, and hardware metadata like z-stack depth and time-lapse intervals. Under the hood, the primary .LSM format is an extension of the TIFF standard, incorporating proprietary OLE directories for instrument-specific metadata. A secondary use for the .LSM extension is as a Local Storage Manager save file for text-based HTML games created with the Twine engine. To open and analyze Zeiss .LSM images, scientists typically use Zeiss ZEN or the open-source ImageJ/Fiji with the Bio-Formats plugin. The main disadvantage of the Zeiss .LSM format is its proprietary nature and massive file size, which frequently exceeds several gigabytes. Because these files contain raw, multi-channel OLE metadata, they are completely unsupported by standard image viewers, web browsers, or presentation software. Sharing microscopic findings with non-specialist colleagues or publishing them in journals requires converting these multi-layered datasets into standard flat images. For Twine players, the .LSM save files are locked to a specific browser's local storage environment and need conversion to transfer progress across devices. Just drag and drop your file here to analyze and convert it - free, online, and without installing software. For archiving and scientific analysis, retain the original format or convert to standard TIFF or .OME-TIFF. For publishing, web use, or presentations, export individual channels or maximum intensity projections to PNG or JPEG. If your file is a Twine game save, convert it to JSON or TXT to easily back up your progress. Keep in mind that converting a 3D Zeiss dataset to a flat PNG permanently flattens your z-stack and discards all original instrument metadata.

Use Convert.Guru to open and convert your LSM file.

Users also converted ISM, LMS, ZVI, PANO and TNL files.


FAQ

If you want to convert LSM file to , you can use Carl Zeiss ZEN or similar software from the "Microscopy Image Storage" category. In the File menu, look for Save As… or Export….

To convert files to LSM, try Carl Zeiss ZEN or another comparable tool in the "Microscopy Image Storage" category.



The LSM Converter Story

The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our LSM converter.