日常工具集中在一处。

图片 → PDF

将照片和图像整理到单个 PDF 中。

Delete PDF pages

Create a PDF without the selected pages.

分割并提取 PDF

选择您需要的页面并将其另存为新的 PDF。

合并 PDF

按您选择的顺序合并多个 PDF。

Rotate PDF pages

Rotate all or selected PDF pages.

Extract PDF text

Copy text embedded in a PDF or save it as a TXT file.

转换和压缩图像

转换为 PNG、JPG 或 WebP 并减小文件大小。

Base64 → image

Save a Base64 image as a PNG, JPG or WebP file.

Image color picker

Click any point in an image to inspect its color.

Combine images

Join images and screenshots vertically or horizontally.

Crop an image

Crop an image using pixel coordinates and dimensions.

Grayscale and sepia image

Convert an image to grayscale or sepia.

Favicon and app icons

Create icons in several sizes from one image.

Inspect and remove photo metadata

Inspect photo EXIF and GPS information and create a PNG without photo metadata.

Pixelate an image

Turn an image into blocks for a pixelated look.

调整图像大小

调整多个图像的大小，同时保留其比例。

Image → Base64

Convert an image to a data URL that you can copy.

Make a transparent PNG

Make pixels close to the selected color transparent.

Text watermark

Add text to an image with your choice of color and opacity.

格式化并验证 JSON

格式化复杂的 JSON 并查找语法错误。

CSV → JSON

使用第一行作为列名称将 CSV 数据转换为 JSON。

Extract domains

Collect domains from URLs in text.

Extract email addresses

Collect unique email addresses from text.

JSON → CSV

将 JSON 数组转换为电子表格的 CSV。

List comparison

Find shared items, differences and the union of two lists.

Sort a list

Sort a list of lines and remove duplicates.

Markdown preview

Preview Markdown safely and save it as HTML.

Text case converter

Convert text to uppercase, lowercase or title case.

Character count

Count characters, words, lines and UTF-8 bytes.

Strikethrough and underline text

Create strikethrough or underlined text that you can copy.

Text comparison

Compare two texts line by line.

Find and replace text

Replace text using plain search or regular expressions.

Number base converter

Convert integers accurately between binary, octal, decimal and hexadecimal, even with many digits.

Base64 编码和解码

使用 Base64 对 Unicode 文本进行编码或解码。

IPv4 and IPv6 CIDR calculator

Calculate the network address, address range and address count.

Code formatter

Format JavaScript, CSS, HTML, JSON and Markdown code.

Color converter

Choose a color and view its HEX, RGB and HSL values.

SHA-256 哈希

在您的设备上计算 SHA-256 哈希值。

HTML entities

Encode and decode special HTML characters.

IPv4 → IPv6

Convert an IPv4 address to IPv4-mapped IPv6 notation.

JSON string encoding

Convert between text and JSON strings.

JWT decoder and HMAC verification

Inspect token contents and verify HMAC signatures.

Password generator

Generate passwords using secure randomness on your device.

QR code generator

Create PNG and SVG QR codes for text, URLs and Wi-Fi networks.

Regular expression tester

Inspect matches and groups in a JavaScript regular expression.

Table → HTML

Convert a table copied from a spreadsheet to HTML.

Text ↔ binary

Convert between text and binary UTF-8 bytes.

Text ↔ decimal

Convert between text and decimal UTF-8 bytes.

Text ↔ hexadecimal

Convert between text and hexadecimal UTF-8 bytes.

Timestamp converter

Convert between Unix timestamps in seconds or milliseconds and dates.

Unicode escapes

Convert between text and Unicode escapes.

URL 编码和解码

安全地对 URL 文本进行编码或解码。

生成UUID

根据需要生成任意数量的随机 UUID v4 值。

翻转时钟

观看时间随着数字的翻转而展开。全屏显示以获得更清晰的视图。

世界时钟

查看世界各地城市的时间并找到联系时间。

年龄计算器

从您的出生日期查找您的年龄和下一个生日。

警报

为重要时刻设置闹钟，每天轻松重复。

日期计算器

计算日期之间的周期，或添加和减去一个周期。

日期倒计时

查看距目标日期还剩多少时间。

跑表

测量每一刻并用圈数记录分段时间。

时间计算器

添加持续时间、转换单位或计算工作时间。

定时器

设置您需要的时间并开始集中注意力或休息。

时区转换器

转换城市之间的日期和时间。

周计算器

查找日期范围和 ISO 周数。

Area converter

Convert square meters, hectares, acres and other area units.

Expression calculator

Calculate expressions with parentheses, arithmetic and powers.

Data size converter

Convert bits, bytes and decimal or binary data sizes.

Length converter

Convert meters, kilometers, inches, feet and miles.

Mass converter

Convert kilograms, grams, pounds and ounces.

Percentage calculator

Calculate percentages, ratios and percentage change.

Ratio calculator

Simplify integer ratios and solve proportions.

Speed converter

Convert between m/s, km/h, mph and knots.

Split a bill

Split a bill with a rounding increment and an optional organizer contribution.

Temperature converter

Convert Celsius, Fahrenheit and Kelvin.

Unit converter

Convert units of length, mass, area, volume, temperature and more.

Volume converter

Convert liters, cubic meters and US or UK gallons.

Coin flip

Flip a coin to choose heads or tails.

Dice

Click the die to roll and see the result when it stops.

Random picker

Draw items from a list, with or without repeated selections.

Random teams

Divide participants into balanced teams and choose a leader for each team.