Corrupt a CSV File Online
Corrupt a .csv file online for free. Breaks delimiters, quoting and encoding so spreadsheet apps and data pipelines reject the file.
- Sem envio
- Sem limite de tamanho
- Sem registo
Corrompa o seu ficheiro CSV
Afinado para .csv, .tsv, e funciona igualmente bem com qualquer outro formato.
Porque os ficheiros CSV são difíceis de corromper como deve ser
CSV has no schema, no header requirement and no terminator, so almost any byte sequence is arguably a valid CSV file. The formats that matter are the ones the consumer expects (consistent column counts, balanced quotes and decodable text) and those are what get destroyed here.
O que esta ferramenta destrói
- Delimiter structure. Commas and line breaks are overwritten, so rows no longer split into a consistent number of columns.
- Quote balance. Double quotes are broken up, leaving quoted fields permanently unterminated and swallowing subsequent rows.
- Encoding validity. Invalid UTF-8 sequences are injected, so strict readers fail before parsing.
- The header row. The opening bytes are destroyed, so column names are lost and type inference fails.
O que vai ver a seguir
| Aplicação | Comportamento |
|---|---|
| Microsoft Excel | Imports as a single garbled column, or warns that the file cannot be read. |
pandas read_csv | Raises ParserError: Error tokenizing data or a Unicode error. |
| Google Sheets | Import produces unreadable rows or fails outright. |
| Database bulk loaders | Abort the load and report a malformed record. |
Motivos comuns para fazer isto
- Testing that a bulk import rejects a bad file instead of loading partial rows.
- Verifying a data pipeline reports the failing file and row rather than dropping records.
- Checking that a CSV upload form validates before writing to a database.
- Producing malformed fixtures for a parser test suite.
Como corromper um ficheiro CSV
- Largue o seu ficheiro .csv na caixa acima, ou clique para procurar.
- Deixe o nível em Standard, a menos que queira dano parcial (Light) ou precise de derrotar software de recuperação (Heavy).
- Prima Corromper ficheiro. O processamento decorre no seu dispositivo, por isso termina quase de imediato.
- Transfira o resultado. Por predefinição mantém o nome de ficheiro e o comprimento em bytes originais.
Perguntas frequentes sobre CSV
Will Excel still open it?
Excel will usually open something, because it treats any text file as importable. What it shows is a single column of mojibake rather than your data.
Is a partially corrupted CSV worse than a fully broken one?
For testing, often yes, a file that loads 400 of 500 rows before failing is the case that catches silent data loss. Use Light level for that.
Does it work on TSV and pipe-delimited files?
Yes. Any delimiter-separated text file uses the same profile.
Will the row count stay the same?
No. Line breaks are among the bytes overwritten, so the file no longer has a predictable row structure.