Tool-ZIP

These are useful tools. Use bookmarks to use quickly!

A collection of useful tools

Encoding, decoding, conversion, image processing, and more — all running safely in your browser.

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Privacy First

All tools run entirely in your browser. No data is ever sent to our servers — always safe.

Tools

Encoder

Base64 Encoder

Encode text or binary data to Base64 format. Base64 인코딩 도구.

Base64 Decoder

Decode Base64 encoded strings back to plain text. Base64 디코딩 도구.

Base128 Encoder

Encode text using Base128 encoding. Base128 인코딩 도구.

Base128 Decoder

Decode Base128 encoded strings. Base128 디코딩 도구.

Unicode Encoder

Convert text to Unicode escape sequences. 텍스트를 유니코드로 변환.

Unicode Decoder

Convert Unicode escape sequences back to readable text. 유니코드를 텍스트로 변환.

URL Encoder

Encode text for safe use in URLs (percent encoding). URL 인코딩 도구.

URL Decoder

Decode percent-encoded URL strings to readable text. URL 디코딩 도구.

Converter

Number Base Converter

Convert numbers between binary (2), octal (8), decimal (10), and hexadecimal (16). 2·8·10·16진수 변환.

Byte Unit Converter

Convert between byte units: KB, MB, GB, TB and their binary equivalents. 바이트 단위 변환 도구.

Cron Expression Builder

Build and visualize cron expressions interactively. 크론 표현식 생성 도구.

Cron Expression Converter

Convert cron expressions to human-readable descriptions. 크론 표현식 변환 도구.

Formatter

JSON Formatter

Prettify and format minified JSON with proper indentation. JSON 포맷팅 도구.

JSON Compressor

Minify JSON by removing whitespace and formatting. JSON 압축 도구.

JSON Analyzer

Analyze JSON structure, keys, and value types at a glance. JSON 분석 도구.

Image / PDF

Image Resizer

Resize images to exact pixel dimensions in your browser. 이미지 픽셀 크기 조절.

Image Compressor

Reduce image file size while preserving quality. 이미지 용량 압축 도구.

Image Extension Converter

Convert images between formats: PNG, JPG, WebP, and more. 이미지 확장자 변환 도구.

PDF Merger

Merge multiple PDF files into one document. PDF 파일 합치기 도구.

Images to PDF Converter

Convert one or more images into a PDF document. 이미지를 PDF로 변환.

Text Extractor from Image

Extract text from images using OCR technology. 이미지에서 텍스트 추출 (OCR).

Time

Time Unit Converter

Convert between time units: seconds, minutes, hours, days, weeks. 시간 단위 변환 도구.

Time Zone Converter

Convert times between different world time zones. 세계 시간대 변환 도구.

Character

Character Counter

Count characters, words, and lines in your text. 글자수 세기 도구.

Text Remover (RegExp)

Remove or replace text patterns using regular expressions. 정규식으로 텍스트 제거.

Text Comparator

Compare two texts side-by-side and highlight differences. 텍스트 비교 도구.