# ComTools

> Free online tools for JSON, Excel, Image and Developers. Data stays on your device when possible.

ComTools (https://comtools.cn) provides 50+ free utility pages.

## Categories

- JSON: /Tools/Json
- Excel: /Tools/Excel
- Image: /Tools/Image
- Developer: /Tools/Developer
- Blog: /Blog
- C# hub: /Topics/CSharp
- SQL Server hub: /Topics/SqlServer

## Tool pages

- /Tools/Developer/Base64Decode
- /Tools/Developer/Base64Encode
- /Tools/Developer/CronGenerator
- /Tools/Developer/CronParser
- /Tools/Developer/GenerateInsert
- /Tools/Developer/GenerateUpdate
- /Tools/Developer/Guid
- /Tools/Developer/HashIdentifier
- /Tools/Developer/HexDecode
- /Tools/Developer/HexEncode
- /Tools/Developer/HtmlDecode
- /Tools/Developer/HtmlEncode
- /Tools/Developer/JwtDecoder
- /Tools/Developer/JwtGenerator
- /Tools/Developer/Md5
- /Tools/Developer/PasswordGenerator
- /Tools/Developer/RegexTester
- /Tools/Developer/Sha256
- /Tools/Developer/SqlFormatter
- /Tools/Developer/SqlToCSharp
- /Tools/Developer/TextDiff
- /Tools/Developer/UnixTimestamp
- /Tools/Developer/UrlDecode
- /Tools/Developer/UrlEncode
- /Tools/Developer/Uuid
- /Tools/Developer/XmlFormatter
- /Tools/Excel/Compare
- /Tools/Excel/CsvToExcel
- /Tools/Excel/Merge
- /Tools/Excel/Split
- /Tools/Excel/ToCsv
- /Tools/Excel/ToJson
- /Tools/Excel/ToSql
- /Tools/Excel/ToXml
- /Tools/Image/Base64ToImage
- /Tools/Image/Compress
- /Tools/Image/ImageToBase64
- /Tools/Image/Ocr
- /Tools/Json/Compare
- /Tools/Json/CsvToJson
- /Tools/Json/Escape
- /Tools/Json/Formatter
- /Tools/Json/Minify
- /Tools/Json/Path
- /Tools/Json/ToCSharp
- /Tools/Json/ToCsv
- /Tools/Json/ToSql
- /Tools/Json/ToXml
- /Tools/Json/ToYaml
- /Tools/Json/Validator

## Languages

- zh-CN: ?culture=zh-CN
- en: ?culture=en