How to liftOver VCF file by web tool?

We can visit the web tool at https://genome.ucsc.edu/cgi-bin/hgLiftOver

Select the Original Genome, Original Assembly, New Genome and New Assembly, say
Original Genome: Human
Original Assembly: Dec. 2013 (GRCh38/hg38)
New Genome: Human
New Assembly: Feb. 2009 (GRCh37/hg19)

Paste the data and click “Submit” button as the RHS of the text area

The result file (i.e. hglft_genome_260a_37bd80.bed) will be ready to download after some time