Compare supplier price lists by SKU: check the pack size first
A lower pack price can still mean a higher unit cost. Follow one fictional CSV example, then try the free checker.
Read and try the example →Examples you can try
See the result before choosing a tool.
Each guide explains one task with a fictional example, a working free starter and the limits to check before a paid download.
Prepare a 9-page PDF booklet: padding, page order and the first print
Nine source pages need three blank positions in a 12-page booklet layout. Check the imposed PDF before printing one sheet.
Read and try the example →Check translated JSON for missing keys and broken placeholders
A file can be valid JSON and still contain missing interface text or a changed placeholder. Use a small example to check the structure.
Read and try the example →Shift SRT or WebVTT timing without hiding subtitle overlaps
A timing offset moves every cue, but does not repair an existing overlap. Check a short example before delivering the file.
Read and try the example →