TableCheck

Shift all cue timestamps by a fixed number of milliseconds and convert basic SRT or WebVTT to SRT or VTT. Preserve cue text and order. Download UTF-8 .txt containing the subtitle output; rename to .srt or .vtt. Up to 1 MB and 5,000 cues. No transcription, translation, styles, notes, positioning or word-level retiming. Within 24 hours.

Validate one JSON document against your JSON Schema Draft 2020-12 and receive a downloadable JSON error report. No data changes or remote schema downloads. Up to 1 MB per input, depth 50 and 50,000 values; first 100 errors. Format keywords are annotations, not checks. Paste public or authorized non-sensitive data only. Within 24 hours.

Compare two comma-separated CSV exports by a unique key column. Receive a JSON file with counts and every added, removed and changed record. Exact comparison with no inferred corrections. Up to 1 MB, 10,000 records and 100 columns per file; matching unique nonblank headers and unique nonblank keys required. Paste public or authorized non-sensitive data only. Within 24 hours.

Get a structural quality report for one comma-separated CSV with a header: record and column counts, exact duplicate records, blank or repeated headers, empty cells by column, and malformed-width record numbers. Up to 1 MB UTF-8, 10,000 data records and 100 columns. Paste CSV text in your brief. Do not include sensitive personal or financial-account information. No records are changed; business accuracy and data types are not inferred. Delivery within 24 hours.