TSV Won't Open? Convert to CSV Instantly
Fast, instant TSV to CSV conversion. No signup required. Just drop your .tsv file and get .csv in seconds.
Batch Settings
TSV（タブ区切り値）ファイルとCSV（カンマ区切り値）ファイル。どちらも表形式データを扱う上で非常に便利ですが、それぞれに得意な場面がありますね。特に、異なるシステム間でデータをやり取りする際、フォーマットの違いが思わぬ手間に繋がることも少なくありません。当社の変換ツールは、そうしたデータ形式の壁をスムーズに取り払い、お客様の貴重な時間を節約するために開発されました。直感的な操作で、TSVファイルをCSVファイルへ、あるいはその逆へと、瞬時に変換可能です。文字コードの自動判別機能も備えており、文字化けの心配も最小限に抑えられます。さあ、データの可能性を広げましょう。
- 漫画・アニメ制作データの共有
- ビジネス文書の効率的なデータ移行
- 顧客リストのデータベース連携
日本語の氏名や住所など、全角文字を含むデータでは区切り文字の誤認識が起こりやすいため、変換後のファイルは必ず内容を確認することをお勧めします。特に縦書きを前提としたデータでは、文字幅の調整に注意が必要です。
About TSV to CSV Conversion
Dealing with a TSV file that won't open on your device? You're not alone — TSV compatibility issues are one of the most common reasons people search for a file converter. TSV (Tab-Separated Values) uses tabs instead of commas, avoiding issues with comma-containing data.
The fix is simple: convert your TSV to CSV. CSV (Comma-Separated Values) is a plain-text tabular format compatible with every spreadsheet application. This conversion lets you convert between formats quickly, solving the problem in seconds rather than hours of troubleshooting.
Full Name: TSV uses Tab-Separated Values, while CSV uses Comma-Separated Values. Compression: TSV uses None (uncompressed), while CSV uses None (uncompressed). Typical File Size: TSV uses 1 KB–100 MB, while CSV uses 1 KB–100 MB. Converting TSV to CSV maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your TSV file on secure servers in Germany — upload, convert, download. Your files are encrypted via TLS and automatically deleted within 24 hours. No account needed, no software to install, and it works on any device with a browser.
This conversion is ideal when you You need maximum device and software compatibility.
The conversion engine behind CocoConvert uses FFmpeg, Sharp, and qpdf — the same open-source libraries trusted by Netflix, YouTube, and enterprise platforms. Pro users can batch convert up to 100 files at once.
How to Convert TSV to CSV
- 1
Add your TSV file
Drag and drop your .tsv file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick CSV output
Select .csv as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The spreadsheet engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .csv file. For batch jobs, download all at once as a zip.
What Happens When You Convert TSV to CSV
Your TSV file is decoded and re-encoded as CSV.
Your TSV file is uploaded and the format is validated
The file content is decoded into its raw representation
The data is re-encoded in CSV format with optimal settings
The converted file is ready for download
TSV vs CSV — Detailed Comparison
| Feature | .TSV | .CSV |
|---|---|---|
| Full Name | Tab-Separated Values | Comma-Separated Values |
| Compression | None (uncompressed) | None (uncompressed) |
| Typical File Size | 1 KB–100 MB | 1 KB–100 MB |
| Platform Support | Universal | Universal |
| Browser Support | none | none |
| Year Created | 1967 | 1972 |
| Open Standard | Yes | Yes |
Should You Convert TSV to CSV?
When to Convert
- ✓You need maximum device and software compatibility
Frequently Asked Questions
Why won't my TSV file open?
TSV files may not open if your device lacks the right codec or application. Converting to CSV — a more widely supported format — usually resolves this. CSV (Comma-Separated Values) is a plain-text tabular format compatible with every spreadsheet application.
Is it safe to convert TSV to CSV online?
Yes. CocoConvert encrypts your file via TLS, processes it on isolated servers in Germany, and permanently deletes it within 24 hours. Your files are never shared or analysed.
Will I lose quality converting TSV to CSV?
Converting TSV to CSV maintains high quality with CocoConvert's optimised encoder settings. CocoConvert uses high-quality encoder defaults to preserve as much fidelity as possible.
How large can my TSV file be?
Free users can convert files up to 250 MB each. Pro users get a 5 GB limit per file, and Business API users have custom limits.
Can I convert TSV to CSV on my phone?
Absolutely. CocoConvert works in any modern browser — iOS Safari, Android Chrome, and all desktop browsers. No app required.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.