ZituoTOOLS
My tools

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My tools

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    A calmer way to get things done

    Useful tools, without the clutter.

    Zituo Tools brings everyday file, image, text, developer, date and productivity utilities into one fast, private and multilingual website.

    Tools ready to use
    PDF toolsImage, audio & videoText & devDate & unitsQR codesPomodoro
    2929 focused tools
    088 languages
    000 accounts needed

    01 / TOOLBOX

    Tools ready to use

    Each tool has one job, opens instantly and works on desktop or mobile.

    29 tools

    Calendar

    Chinese Lunar Calendar

    Browse Gregorian and lunar dates, zodiac signs, daily auspiciousness, festivals and official holiday adjustments without page reloads.

    Open tool
    Developer

    Unix Timestamp Converter

    Follow the current Unix time and convert timestamps to dates—or dates back to seconds and milliseconds.

    Open tool
    Private

    Image Compressor & Converter

    Compress, resize and convert JPEG, PNG or WebP images, then download files or a ZIP.

    Open tool
    Video

    Video Compressor

    Compress video locally with WebCodecs, resize it, change frame rate or remove audio without uploading.

    Open tool
    Audio

    Audio Processing Master

    Convert and trim audio, extract audio from video, and follow playback on an interactive waveform locally.

    Open tool
    Image

    Image Cropper

    Crop rectangular or circular images with exact ratios, sizes, rounded corners and transparent export.

    Open tool
    Batch

    Image Watermark

    Place multiple text and logo watermarks on one image or a batch, then export files individually or as a ZIP.

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    Private

    Photo EXIF Viewer & Remover

    Inspect camera, date, exposure and GPS fields, then remove EXIF from one photo or a batch without re-encoding pixel data.

    Open tool
    PDF

    Merge PDF

    Combine multiple PDF files in your chosen order, entirely in the browser.

    Open tool
    PDF

    Split & Extract PDF

    Extract selected page ranges or export every PDF page as a separate file.

    Open tool
    PDF

    Images to PDF

    Turn JPEG, PNG and WebP images into one ordered PDF with page-size options.

    Open tool
    Private

    PDF ↔ Word Converter

    Convert PDF to editable or appearance-preserving DOCX, and turn DOCX files into PDF entirely in your browser.

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    QR

    QR Code Generator & Reader

    Create downloadable QR codes or read a QR code from an image.

    Open tool
    Text

    Text Diff

    Compare two texts line by line and highlight additions and removals.

    Open tool
    Developer

    JSON Formatter

    Format, validate, minify and sort JSON data in your browser.

    Open tool
    Data

    CSV / JSON Converter

    Convert CSV tables to JSON and JSON arrays back to CSV.

    Open tool
    Text

    Word Counter

    Count characters, words, lines, sentences, bytes and reading time.

    Open tool
    Text

    Text Deduplicator

    Remove duplicate lines while preserving the original order.

    Open tool
    Productivity

    Online Notepad

    Autosave multiple notes, search and export without signing up.

    Open tool
    Developer

    URL / Base64 Codec

    Encode and decode URLs or UTF-8 Base64 text locally.

    Open tool
    Security

    File Hash

    Calculate SHA-256, SHA-384 and SHA-512 checksums for files.

    Open tool
    Security

    Password Generator

    Create strong random passwords with configurable character sets.

    Open tool
    Writing

    Markdown Preview

    Preview polished Markdown with code highlighting and export it as a styled PDF.

    Open tool
    Date

    Date Calculator

    Find the difference between dates or add and subtract time.

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    Everyday

    Unit Converter

    Convert length, mass, temperature, area, volume, speed and data.

    Open tool
    Developer

    Number Base Converter

    Convert binary, octal, decimal and hexadecimal integers with step-by-step working.

    Open tool
    Focus

    Pomodoro Timer

    Run automatic focus-and-break cycles with custom durations, ambient noise and local session counts.

    Open tool
    Developer

    Code Screenshot Generator

    Turn highlighted code into polished PNG images with editor themes, window styles and precise typography.

    Open tool
    Developer

    JSON to Code Generator

    Turn JSON into typed models for Go, TypeScript, Java, Rust, Swift, Python and more.

    Open tool

    02 / PRINCIPLES

    Built for the task in front of you

    01

    Private by design

    PDF, image, QR and text processing happens on your device. Files are not uploaded to our server.

    02

    Fast by default

    No heavy framework, no ads and no unnecessary requests between you and the result.

    03

    Clear and dependable

    Readable inputs, explicit units and practical explanations help prevent avoidable mistakes.