Online toolbox

Tool pages explain the job, steps, and related guides. Local tools are free; AI tools show their credit cost.

• AI Text Rewriter

  Rewrite paragraphs with AI for formal, casual, concise and creative tones.

• AI Text Summarizer

  Condense long-form text into clear summaries with flexible length and style.

• AI Translator

  Translate text across Chinese, English and other languages with tone awareness.

• AI PDF Summarizer

  Extract key takeaways from PDF content for research papers, reports and docs.

• Markdown to HTML

  Convert Markdown into clean HTML with an instant preview.

• HTML to Markdown

  Turn HTML into Markdown for docs migration and content cleanup.

• URL Shortener

  Shorten long links into compact URLs for sharing and campaigns.

• QR Code Generator

  Generate downloadable QR codes from text, URLs and other content.

• Color Picker

  Pick a color and convert it between HEX, RGB and HSL instantly.

• Base64 Encode Decode

  Encode or decode Base64 text for API debugging and data handling.

• URL Encode Decode

  Encode or decode URL parameters for safer query string handling.

• Timestamp Converter

  Convert between Unix timestamps, ISO strings and local date time.

• Code Explainer

  Explain code snippets, execution flow and potential issues for learning and review.

• AI Email Generator

  Generate polished email drafts from goals and key details for business communication.

• AI Grammar Checker

  Check grammar, spelling and phrasing issues with rewrite suggestions.

• JSON Formatter

  Beautify, validate and inspect JSON quickly for debugging and data review.

• UUID Generator

  Generate UUIDs in batches for primary keys, test data and API workflows.

• Password Generator

  Generate strong random passwords with adjustable length and character sets.

• Hash Generator

  Generate MD5, SHA-256 and SHA-512 hashes for checksums and signature debugging.

• Image Compress

  Compress JPG, PNG, and WebP images in the browser to reduce file size while keeping usable quality.

• Image Format Convert

  Convert JPG, PNG, and WebP images to a target format in the browser and download the result.

• Title Generator

  Generate titles for SEO, content marketing, and landing pages from a topic or keyword set.

• Meta Description Generator

  Generate search-friendly meta descriptions for pages, articles, and tools.

• Social Copy Generator

  Generate platform-aware social media copy for launches, campaigns, and content promotion.

• Copy Studio

  Confirm the direction, then edit publishable copy for articles, short posts, scripts, and product points.

• SQL Generator

  Turn plain-language requirements into SQL with assumptions and safety notes.

• Excel Formula Generator

  Generate Excel or Google Sheets formulas from plain-language requests with explanations.

• Regex Generator

  Generate regular expressions from plain-language requirements with explanations and examples.

• Regex Tester

  Test regex matches, groups and flags for development and debugging.

• Diff Checker

  Compare two texts line by line to spot additions, removals and edits.

• CSV to JSON

  Convert CSV content into JSON arrays for APIs and data migration.

• JSON to CSV

  Convert JSON arrays into CSV for spreadsheet analysis and exports.

• XML Formatter

  Format XML structures for readability, copy-paste and API troubleshooting.

• AI writing
• JSON
• PDF
• SEO
• Image tools