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Free Tool

GSC CSV Splitter

Drop a large Google Search Console export and split it into evenly-sized chunks — each with the original header — ready to import into Excel, Sheets, SQL or analytics tools. All offline.

Drag & dropHeader in every chunkCustom rows-per-chunkPer-chunk previewBulk downloadIn-browser only

Drop CSV

1

Drop or pick your CSV

Processing runs in your browser via the File API. Nothing is uploaded.

Notes
  • infoDrop a CSV file above to split it into chunks.

When to Split a GSC CSV

Four real scenarios where chunking pays off.

1

Excel row limit

Excel caps at 1,048,575 rows per sheet. Split into 1M-row chunks to stay under the limit.

2

Google Sheets import

Sheets caps at 10M cells total. If your CSV has 100K rows × 10 cols, you're at the limit. Split into smaller chunks and use separate sheets.

3

BigQuery / SQL import

Most import tools cap file size or row count. 50K rows per chunk is a universal sweet spot.

4

Memory-constrained scripts

Python pandas, R data.table — they all thrash on huge CSVs. Smaller chunks keep memory usage predictable.

CSV Splitter FAQ

Why split a GSC CSV?

Google Search Console exports can be 1M+ rows. Spreadsheet tools cap at 1,048,576 rows (Excel) or 10M cells (Google Sheets). Some analytics imports cap at 50K–100K rows per file. Splitting lets you work with manageable chunks.

Does each chunk include the header row?

Yes. Every output file starts with the original header, so each chunk is independently importable into Excel, Sheets, SQL, etc.

Does order matter?

Chunks are split in order. If your CSV is sorted by date or URL, the first chunk contains the first N rows in that order. Sort before splitting if order matters.

Is my file uploaded anywhere?

No. The File API reads your CSV entirely in your browser. Chunks are generated client-side and downloaded directly to your device. Nothing leaves your machine.

Want GSC Data Piped Into Your Dashboard Automatically?

Our Australian team sets up Looker Studio / BigQuery / Sheets connections to GSC so you never have to download and split CSVs again.

  • Automated GSC → BigQuery
  • Looker Studio dashboard
  • No lock-in commitment
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