FREE ONLINE TOOLS

Open it. Use it. Done.

28 free tools that run in your browser. Nothing to install, nothing uploaded.

28
Publishing & Marketing

WeChat Article Formatter

Write plain text or Markdown, pick a theme with live preview, and copy to the WeChat Official Account editor with styles intact.

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Publishing & Marketing

Multi-Platform Publish Kit

Write once and get ready-to-post versions for Xiaohongshu (RED), Douyin, WeChat Channels, WeChat Official Account, Weibo and Bilibili, with AI-content label reminders.

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Documents & Translation

PDF Toolkit

Turn images into a PDF, merge several PDFs, or lay out text and export it as PDF. Files never leave your browser.

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Documents & Translation

Online Translator

Translate between 15 languages with your browser's built-in on-device model. Your text is never sent to a server, which makes it handy for prompts and copy.

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Notes & To-dos

Daily Creative List

Plan creative tasks by date, track your progress, and turn today's ideas into action.

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Image Editing

Image Grid Splitter

Split an image into a 2Γ—2 or 3Γ—3 grid, or into two columns or rows; preview each tile and export PNGs.

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Covers & Writing

Cover Studio

Add a title and subtitle to a local image, adjust the format, colours and text position, and export a cover.

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Image Editing

Image Compressor & Converter

Resize and adjust image quality locally, convert between JPEG, WebP and PNG, and see the output file size.

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Covers & Writing

Palette & Text Contrast

Six original palettes ready to reuse: adjust text and background colours, check contrast and export the colour values.

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Image Editing

Image Spot Repair

Select clutter or blemishes in a photo and fill them from the surrounding colours, or crop to keep a clean area. Images are processed entirely on your device.

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Sharing & Links

QR Code Generator

Turn a URL or text into a QR code and download it as PNG.

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Text Cleanup

Word Count & Reading Time

Count characters, Chinese characters, English words and lines, and estimate reading time.

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Text Cleanup

Line Cleaner

Remove duplicate or empty lines, or sort lines, and keep the result.

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Text Cleanup

Case Converter

Convert English text to UPPERCASE, lowercase or Title Case.

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Sharing & Links

URL Slug Maker

Turn a title into a readable URL slug. Non-Latin letters (e.g. Chinese) are kept, not translated.

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Developer & Data

JSON Formatter & Validator

Check JSON syntax, then pretty-print or minify it. Input is never executed.

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Sharing & Links

URL Encoder/Decoder

Encode or decode a single URL parameter value.

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Developer & Data

Base64 Text Converter

Convert UTF-8 text to Base64 and back. Base64 is not encryption.

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Developer & Data

SHA-256 Text Hash

Calculate the SHA-256 hash of text to compare content.

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Productivity & Calculators

Random Password Generator

Generate passwords with the browser's secure random numbers, 12–128 characters long.

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Developer & Data

UUID Generator

Generate random UUID v4 values, 1–100 at a time.

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Productivity & Calculators

Timestamp Converter

Convert between Unix seconds or milliseconds and ISO dates with an explicit time zone.

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Developer & Data

CSV & JSON Converter

Convert CSV with a header row to a JSON array of objects and back. Quotes and line breaks are supported.

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Sharing & Links

UTM Link Builder

Enter a URL and campaign source to build a trackable link.

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Productivity & Calculators

Aspect Ratio Calculator

Enter the original width, original height and target width to get the proportional target height.

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Productivity & Calculators

Date Difference Calculator

Count the days between two calendar dates, using the UTC calendar to avoid daylight-saving shifts.

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Developer & Data

HTML Escape / Unescape

Escape HTML special characters in text, or turn them back into plain text.

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Notes & To-dos

Prompt Pocket

Save, search and copy your favourite prompts in this browser, with JSON import and export.

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Runs locally in your browser; your files are not uploaded.