工具目录Tool directory

文本工具Text tools

在本地整理文本、处理 JSON 和转换常用编码。Organize text, format JSON and convert common text encodings locally.

本地处理 · 工具加载后可离线使用Local processing · Available offline after loading

• JSON 格式化JSON formatter

  格式化或压缩 JSON，并检查语法。精确长编号请使用字符串。Format or minify JSON and check its syntax. Use strings to preserve long IDs.

• Base64 文本编解码Base64 text

  以 UTF-8 编码和解码 Base64 文本。Encode and decode UTF-8 text with Base64.

• URL 组件编解码URL component encoding

  编码或解码单个 URL 组件，例如查询参数值。Encode or decode a single URL component, such as a query value.

• 文本统计Text statistics

  统计字符、词数与行数；词数按空白分隔。Count characters, whitespace-separated words and lines.

• 大小写转换Letter case

  转换字母大小写，保留其他字符。Change letter case while preserving other characters.

• 行去重Remove duplicate lines

  去除重复行，保留每行首次出现的位置。Remove duplicate lines and keep the first occurrence of each line.

• 行排序Sort lines

  按字符编码升序或降序排列文本行。Sort text lines in ascending or descending character-code order.

• HTML 转义HTML escaping

  转义 HTML 字符，并还原常用实体与数字实体。Escape HTML characters and decode common and numeric entities.

证件照ID Photo

在本地裁剪证件照、去除背景并导出照片，无需上传。Crop ID photos, remove backgrounds and export photos locally, with no uploads.

本地处理 · 工具加载后可离线使用Local processing · Available offline after loading

图片工具Image tools

在本地调整图片尺寸、压缩 JPEG、转换 PNG/JPEG 并旋转或翻转。Resize images, compress JPEGs, convert PNG/JPEG formats, and rotate or flip images locally.

本地处理 · 工具加载后可离线使用Local processing · Available offline after loading

• 图片尺寸Resize image

  调整图片宽度和高度，可保持原始比例。Resize image width and height, with optional aspect-ratio preservation.

• 图片压缩Compress image

  调整 JPEG 质量以控制输出文件大小。Adjust JPEG quality to control output file size.

• 图片格式转换Convert image

  在 PNG 与 JPEG 之间转换；PNG 可保留透明背景。Convert between PNG and JPEG; PNG can preserve transparency.

• 旋转与镜像Rotate and flip

  将图片旋转 90°，或水平、垂直翻转。Rotate images by 90°, or flip them horizontally or vertically.

计算器Calculator

在本地进行四则和百分比计算，查看或导出计算历史。Calculate arithmetic and percentages locally, and view or export your calculation history.

本地处理 · 工具加载后可离线使用Local processing · Available offline after loading

数据换算Converters

在本地换算时间戳、日期、进制及常用单位。Convert timestamps, dates, number bases and common units locally.

本地处理 · 工具加载后可离线使用Local processing · Available offline after loading

• 时间戳Unix timestamp

  在 Unix 时间戳与设备本地日期时间之间转换。Convert between Unix timestamps and dates in your device’s local time zone.

• 日期间隔Date difference

  计算两个日期相差的日数，支持负数结果。Calculate the number of days between two dates, including negative results.

• 进制转换Number base

  转换 2–36 进制的整数，支持范围内的正负数。Convert integers between bases 2–36, including supported negative values.

• 长度Length

  换算米、厘米、英寸、英尺等长度单位。Convert lengths such as metres, centimetres, inches and feet.

• 重量Weight

  换算千克、克、磅和盎司等重量单位。Convert weights such as kilograms, grams, pounds and ounces.

• 温度Temperature

  在摄氏度、华氏度与开尔文之间换算。Convert between Celsius, Fahrenheit and Kelvin.

• 数据容量Data size

  换算字节及十进制、二进制数据容量单位。Convert bytes and decimal or binary data-size units.

网页浏览器Web browser

访问 HTTPS 网页和管理书签，需要联网。Browse HTTPS pages and manage bookmarks. An internet connection is required.

需要联网Internet connection required