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Utilities
Microphone Spectrogram
Shows real-time spectrogram of the microphone (frequency over time) for musicians.
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Related Tools
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CNAB File Reader
Read Brazilian CNAB 240 and CNAB 400 banking files and display records decomposed by type.
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GEDCOM Reader
Read GEDCOM (genealogy) files and list individuals (INDI) with name, birth and death dates.
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PDF Merge
Merge several PDFs into a single file in the given order. Everything in your browser via pdf-lib.