Private, browser-based comparison

Free Online Diff & Merge Tool

Compare code. Resolve changes. Merge with confidence—right in your browser.

MergeGlass
Diff clearly. Merge confidently.
0 changes0 conflicts
Mode
Local only
Not saved

Add two files, compare folders, import a patch, or resume a saved session.

Source A
Source A is emptyChoose or drop a text-based file to begin.
Source B
Source B is emptyChoose or drop a text-based file to begin.
Drag & drop two text files to compareor
Combined previewRead only
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Add both sources to enable copy and export actions.

Your merged result will appear here once both sources are added.