CONVERT XLS → TXT (XLS to TXT)
Fast, secure XLS to TXT conversion. No registration required.
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Studio Panel
Ghostscript + QPDFHOW TO CONVERT XLS → TXT
Provide the file
Drag and drop or select a XLS file up to 25 MB. No account required on the free tier.
Run the conversion
We pick the right backend for this pair automatically and produce a TXT that matches the source data exactly.
Retrieve the output
A download link appears as soon as the TXT is ready. For batch jobs, you get a single ZIP download.
XLS is Excel's legacy binary format from the BIFF (Binary Interchange File Format) era, storing spreadsheet data in a compound document structure that encodes cell values, formulas, formatting rules, charts, VBA macros, and dozens of worksheet properties into a single opaque binary stream. When you convert XLS to TXT, you extract only the raw cell content — the evaluated values, not the formulas that produced them — and write them as a flat, delimited plain-text stream. This makes the output immediately consumable by command-line tools, Unix pipelines, scripting languages, database import wizards, and legacy systems that have no Excel dependency whatsoever. The typical use cases are concrete: a data scientist who needs to feed tabular values into a Python script without installing openpyxl or xlrd; a systems administrator piping spreadsheet data through awk or sed; a developer migrating rows into a SQL table via LOAD DATA INFILE; or anyone who must share numeric data with a colleague on a system where no spreadsheet software exists. The conversion is irreversible and reductive by design — TXT carries only what was visible on the sheet surface, nothing beneath it.
Why convert XLS to TXT
The primary driver is eliminating the Excel binary dependency entirely. XLS requires a BIFF parser — Excel itself, LibreOffice, or a library like xlrd — to read even a single cell value. TXT requires nothing beyond a text editor or a file-read call in any language. A second reason is sanitization: stripping out embedded macros, named ranges, pivot caches, and conditional formatting reduces attack surface and file complexity to zero before handing data to downstream systems. A third is encoding normalization — once the content is in plain text with a declared delimiter and UTF-8 encoding, ingestion into databases, log processors, or ETL pipelines becomes deterministic without worrying about BIFF code page quirks from older XLS files saved under Windows-1252 or Shift-JIS locales.
XLS vs TXT — Technical specifications
Side-by-side comparison of the technical details.
XLS
- MIME type
- application/vnd.ms-excel
- Max rows
- 65 536 (Excel 97-2003)
- Max columns
- 256 (A to IV)
- Container
- OLE Compound File
- Successor
- .xlsx (2007)
- MIME Type
- application/vnd.ms-excel
- Extension
- .xls
- Category
- Spreadsheets & Data
- Full Name
- Excel Spreadsheet (Legacy)
- Conversion Engine
- LIBREOFFICE
TXT
- MIME type
- text/plain
- MIME Type
- text/plain
- Extension
- .txt
- Category
- Documents & Text
- Full Name
- Plain Text
- Conversion Engine
- LIBREOFFICE
- Common encodings
- UTF-8, UTF-16, ASCII, ISO-8859-1, Windows-1252
- Line endings
- LF (Unix), CRLF (Windows), CR (classic Mac)
- Max file size
- Limited only by filesystem (no format-level limit)
- Structure
- None — flat sequence of characters
| Specification | XLS | TXT |
|---|---|---|
| MIME type | application/vnd.ms-excel | text/plain |
| Max rows | 65 536 (Excel 97-2003) | — |
| Max columns | 256 (A to IV) | — |
| Container | OLE Compound File | — |
| Successor | .xlsx (2007) | — |
| MIME Type | application/vnd.ms-excel | text/plain |
| Extension | .xls | .txt |
| Category | Spreadsheets & Data | Documents & Text |
| Full Name | Excel Spreadsheet (Legacy) | Plain Text |
| Conversion Engine | LIBREOFFICE | LIBREOFFICE |
| Common encodings | — | UTF-8, UTF-16, ASCII, ISO-8859-1, Windows-1252 |
| Line endings | — | LF (Unix), CRLF (Windows), CR (classic Mac) |
| Max file size | — | Limited only by filesystem (no format-level limit) |
| Structure | — | None — flat sequence of characters |
XLS vs TXT — Strengths and limitations
What each format does best, and where it falls short.
XLS Strengths
- Universal legacy — every Excel since 1997 opens .xls natively.
- Binary format is compact and loads quickly.
- Full support for formulas, charts, pivots, and VBA macros.
- Deep integration with every accounting and ERP system of the 1990s-2000s.
Limitations
- Row/column limits are ~64× smaller than modern XLSX.
- Macro-enabled variants are a notorious malware vector.
- Binary corruption often means total data loss.
TXT Strengths
- Universally readable — every operating system, every editor, every programming language.
- Zero metadata overhead: the file size equals the character count (for ASCII).
- Safe to diff, grep, version-control, and pipe through command-line tools.
- Immune to format obsolescence: a text file from 1970 still opens today.
- Tiny footprint for structured data like logs or configuration.
Limitations
- No styling, images, or embedded structure — just characters.
- Character encoding ambiguity (ISO-8859-1 vs UTF-8 vs Windows-1252) causes "mojibake".
- Line-ending differences between OSes still cause subtle bugs today.
Quality & Compatibility
XLS stores cell values in two layers: the stored value (the raw number, string, or boolean the cell holds) and the display format (a number format string that renders 44927 as "01/01/2023", for example). Conversion to TXT outputs the stored value or the display string depending on the tool, and the choice matters enormously — a date serial number like 44927 is meaningless without context. Formulas are replaced by their last-calculated result; if the XLS was last saved without recalculating, the exported value may be stale. Multi-sheet workbooks flatten to a single text stream or produce one file per sheet depending on the converter. Everything that makes XLS rich — cell formatting, merged cells, charts, images, VBA code, data validation rules, hyperlinks, comments, named ranges — is discarded completely and cannot be recovered from the TXT output. Numbers lose their format strings, so trailing zeros in currency fields and leading zeros in zip codes or product codes may disappear unless the cell was explicitly stored as text in the original XLS.
Tips for Best Results
- Before converting, audit your XLS for date serial columns — Excel stores dates as integers (days since 1900-01-01, with the 1900 leap-year bug), so a column showing formatted dates will export as raw integers unless your converter resolves them. Verify a sample row to confirm dates arrive as readable strings rather than five-digit numbers.
- Choose your delimiter based on what the data contains. If any cell holds a comma (addresses, company names, numeric European locales using comma as decimal separator), use tab as the separator rather than comma to avoid misaligned columns when the TXT is parsed downstream.
- Check the encoding of the source XLS before converting — older XLS files generated by Excel 97–2003 on non-Western systems may have been saved under a legacy code page. If the output TXT contains garbled characters in string fields, the source encoding was not Latin-1/UTF-8 and you may need to re-encode the output explicitly to UTF-8 after conversion.
Frequently Asked Questions
Yes. The free tier accepts files up to 25 MB without registration, email capture or watermarks; paid plans go up to 2 GB. Paid plans raise the size cap, enable batch conversions and provide a REST API for automation, but nothing on the free tier is quality-limited — the output is exactly the same as on any paid plan.
Uploads run over HTTPS, files are processed in isolated containers, and both the source XLS and the TXT output are auto-deleted within two hours. No account is required, file contents are never logged, and KaijuConverter does not use uploads for AI training. The paid plan adds a signable data-processing agreement for regulated workflows.
Most files finish in well under a minute. Small images and documents are typically ready in a few seconds; large video or audio files scale roughly with duration. Upload speed from your network is usually the dominant factor, not server time.
Excel Spreadsheet (Legacy)
Source formatXLS is the legacy binary format for Microsoft Excel 97-2003 spreadsheets. While superseded by XLSX, it remains common in archived data and older business systems.
Plain Text
Target formatTXT files contain unformatted plain text with no styling, images, or layout information. They are universally readable by any device and operating system, making them the simplest document format.
Common Use Cases
Share across platforms
Send TXT files to anyone without worrying about whether they have the right software for XLS.
Embed in documents
Drop TXT output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
TXT often produces smaller files than XLS for web, email and storage.
Archive & future-proof
Store in a widely-supported format that will still open on future operating systems without legacy plugins.
XLS vs TXT — Typical file sizes
Approximate file sizes for common scenarios.
- Simple budget (1 sheet) 30-60 KB
- Multi-sheet financial model 500 KB - 5 MB
- Data export with 65 000 rows 5-20 MB
- Short note < 1 KB
- README file 2–20 KB
- Full novel (~90,000 words) 500 KB – 1 MB
Sensitive Documents, Scanned OCR, or 500+ Pages?
For legally sensitive archives that must never leave your local network, or multi-hundred page scanned PDFs needing optical character recognition, local document workstations ensure full compliance.
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High-throughput enterprise pipeline for files up to 2,048 MB, 50-file batches, ISO PDF/A, and priority processing.
Offline conversion for multi-hundred page contracts, spreadsheets, and local optical extraction.
High-accuracy legal OCR, certified PDF/A archiving, and compliant document redaction.
Related comparisons
See these formats side by side to understand which fits your use case best.
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