XLS Won't Open? Convert to JSON Instantly
Fast, instant XLS to JSON conversion. No signup required. Just drop your .xls file and get .json in seconds.
Batch Settings
Some metadata may not survive
Your XLS file may contain OLE properties metadata. JSON has limited or no support for these metadata types. Location data (GPS), camera settings, and color profiles may be stripped during conversion.
还在为Excel表格的数据转换发愁吗？无论是财务报表、用户数据，还是游戏进度，当您需要将这些结构化的信息无缝对接至其他应用或进行更灵活的数据处理时，XLS（或XLSX）到JSON的转换就显得尤为重要。JSON格式以其轻量、易读、跨平台的特性，已成为现代互联网数据交换的主流。我们深知在高效的工作流中，每一步的顺畅都至关重要。本工具致力于提供一个简洁、快速、准确的转换方案，让您的数据在不同系统间自由流动，告别繁琐的手动整理，将更多精力投入到数据分析和价值创造上。
- 微信小程序数据接口
- 手游配置表导入
- 跨境电商订单同步
在大陆、台湾和新加坡，许多本地应用和企业服务倾向于使用JSON作为数据传输协议，尤其是与前端界面或移动端交互时。将XLS转换为JSON能更好地适应这种生态，提升数据兼容性与开发效率。
About XLS to JSON Conversion
Dealing with a XLS file that won't open on your device? You're not alone — XLS compatibility issues are one of the most common reasons people search for a file converter. XLS is the legacy Excel format (pre-2007) — still encountered in business workflows.
The fix is simple: convert your XLS to JSON. JSON (JavaScript Object Notation) is the universal data interchange format for APIs and configuration. This conversion lets you convert between formats quickly, solving the problem in seconds rather than hours of troubleshooting.
Full Name: XLS uses Microsoft Excel Legacy, while JSON uses JavaScript Object Notation. Compression: XLS uses None (uncompressed), while JSON uses None (uncompressed). Typical File Size: XLS uses 50 KB–50 MB, while JSON uses 1 KB–100 MB. Converting XLS to JSON maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your XLS 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 a file that works in web browsers, or 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 XLS to JSON
- 1
Add your XLS file
Drag and drop your .xls file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick JSON output
Select .json 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 .json file. For batch jobs, download all at once as a zip.
What Happens When You Convert XLS to JSON
Your XLS file is decoded and re-encoded as JSON.
Your XLS file is uploaded and the format is validated
The file content is decoded into its raw representation
The data is re-encoded in JSON format with optimal settings
The converted file is ready for download
XLS vs JSON — Detailed Comparison
| Feature | .XLS | .JSON |
|---|---|---|
| Full Name | Microsoft Excel Legacy | JavaScript Object Notation |
| Compression | None (uncompressed) | None (uncompressed) |
| Typical File Size | 50 KB–50 MB | 1 KB–100 MB |
| Platform Support | Universal | Universal |
| Browser Support | none | Universal |
| Year Created | 1987 | 2001 |
| Open Standard | No | Yes |
Should You Convert XLS to JSON?
When to Convert
- ✓You need just the audio track from a video recording
- ✓You're creating a podcast or audio file from video content
- ✓You need a file that works in web browsers
- ✓You need maximum device and software compatibility
Frequently Asked Questions
Why won't my XLS file open?
XLS files may not open if your device lacks the right codec or application. Converting to JSON — a more widely supported format — usually resolves this. JSON (JavaScript Object Notation) is the universal data interchange format for APIs and configuration.
Is it safe to convert XLS to JSON 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 XLS to JSON?
Converting XLS to JSON 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 XLS 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 XLS to JSON 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.