文本格式检查
检查多余空格、空行、列表缩进、标点间距和段落结构，适合网页内容、邮件、简历和报告。
免费格式检查器
粘贴文本或 JSON，快速检查格式问题；也可以按 Word、Excel、打印场景查看提交前清单，并把复杂文件交给 Kollab 继续处理。
免费在线支持文本和 JSON覆盖 Word / Excel / 打印清单适合提交前检查
这个格式检查器能检查什么？
把泛搜索词 check format 拆成明确任务：文本、JSON、Word、Excel 和打印前格式检查。
JSON 格式检查
校验 JSON 是否可解析，提示尾随逗号、括号缺失、引号错误和缩进可读性问题。
Word 格式清单
按标题样式、字体、行距、页边距、表格和引用格式拆解 Word 文档提交前检查。
Excel 格式清单
检查表头、日期、数字、货币、小数位、空白行和 CSV 分隔符，让表格更适合导入和分享。
打印格式清单
覆盖纸张尺寸、页边距、出血、安全区域、图片分辨率和 PDF 导出，降低返工风险。
接入 Kollab 深度任务
轻量问题在页面内预览，复杂文档、表格和打印文件可继续进入 Kollab 生成完整检查报告。
格式问题示例
用 before / after 示例承接 check format example 的搜索意图。
Text spacing
Heading Paragraph with spaces .
Heading Paragraph with spaces.
Clean trailing spaces, repeated blank lines, and spacing before punctuation.
JSON trailing comma
{ "tools": ["json", "word",] }{ "tools": ["json", "word"] }Standard JSON does not allow a comma after the last item.
Excel dates
2026/7/1, 07-02-2026, July 3
2026-07-01, 2026-07-02, 2026-07-03
Consistent dates reduce sorting and formula errors.
Print files
A4, no bleed, 96 dpi, JPG
A4, 3 mm bleed, 300 dpi, PDF
Print work usually needs bleed, high-resolution images, and PDF output.
如何检查格式
首屏快速满足用户，复杂任务再进入 Kollab 工作流。
01
Choose a format type
Select text, JSON, Word, Excel, or print depending on what you need to review.
02
Paste content or specs
Add the text, table excerpt, JSON, or file formatting requirements you want to check.
03
Review the issue list
See likely problems, formatting suggestions, and a cleaner preview where possible.
04
Continue in Kollab
Send complex files or full requirements to Kollab for a deeper review report.
适合哪些场景
覆盖 Excel、Word、JSON、printing、example 等长尾意图。
Before submitting reports
Check headings, paragraphs, lists, and references so the document feels polished.
Before importing JSON or API data
Confirm JSON is parsable and avoid errors caused by one comma, bracket, or quote.
Before sharing Excel reports
Standardize dates, amounts, headers, and blank rows so the recipient can filter and reuse the data.
Before printing materials
Check paper size, margins, bleed, and image clarity before sending files to print.
格式检查器 FAQ
What does check format mean?+
It usually means checking whether content or a file follows the expected structure and formatting rules. That can include text, JSON, Word, Excel, or print-ready files.
Can I check JSON format online?+
Yes. Paste JSON and the page will try to parse it, then flag common issues such as trailing commas, brackets, quotes, and indentation.
How do I check Word formatting?+
Use the Word checklist for headings, fonts, spacing, margins, tables, and references. Full documents can be sent into Kollab for deeper review.
How do I check Excel formatting?+
Review headers, dates, number and currency formats, blank rows, merged cells, and delimiter issues before sharing or importing.
What should I check before printing?+
Check paper size, margins, bleed, safe area, image resolution, color mode, and final PDF export.
Is this format checker free?+
The quick checks and checklists on this page are free to use. Complex file review can continue inside Kollab.
提交、导入或打印前先检查格式
用一个入口覆盖文本、JSON、Word、Excel 和打印前格式检查，再把复杂任务交给 Kollab 继续处理。