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为作家、营销人员、开发者和企业主提供的29款免费浏览器端工具。快速、私密、完全响应式——无需注册账户。

✍️ 4 写作🤖 3 AI工具🔍 5 SEO 🧑‍💻 6 开发者🧮 5 计算器🖼️ 5 图像
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Word Counter

Count words, characters, sentences, paragraphs & reading time instantly.

Writing
0Words
0Characters
0No Spaces
0Sentences
0Paragraphs
0Min Read
🔡

Case Converter

Convert text to uppercase, lowercase, camelCase, snake_case & 7 more formats.

Writing
📊

Readability Score

Check Flesch-Kincaid score, grade level, passive voice % and sentence stats.

Writing
📄

Lorem Ipsum Generator

Generate placeholder text by paragraphs, sentences, words or bullet lists.

Writing
🤖

AI Caption Generator

Generate YouTube descriptions or Instagram captions instantly using AI.

AI
✍️

AI Blog Post Generator

Generate a full SEO-optimized blog post with title, headings & content using AI.

AI
🔄

AI Text Rewriter

Paraphrase and rewrite any text in casual, formal, creative, simple or academic mode.

AI
🔍

Keyword Density Checker

Analyze content and find perfect keyword density for SEO rankings.

SEO
Top results
🏷️

Meta Tag Generator

Create optimized meta tags with OG and Twitter card support for better rankings.

SEO
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🤖

Robots.txt Generator

Build a robots.txt file to control how Googlebot, Bingbot and AI crawlers index your site.

SEO
🗂️

Schema Markup Generator

Generate JSON-LD structured data for Article, FAQ, Product & LocalBusiness.

SEO
🔗

Slug / URL Generator

Convert any title or phrase into a clean, SEO-friendly URL slug instantly.

SEO
📈

UTM Link Builder

Build Google Analytics campaign tracking URLs in seconds.

SEO
🔐

Base64 Encoder / Decoder

Encode or decode Base64 text instantly in your browser with URL-safe support.

Dev
{ }

JSON Formatter & Validator

Pretty-print, minify, validate JSON and sort keys instantly.

Dev
🔑

Password Generator

Generate strong secure random passwords with strength meter and bulk generation.

Dev
passwords to generate
🎨

Color Picker & Converter

Convert HEX, RGB, HSL colors and generate matching color palettes with CSS variables.

Dev

Regex Tester

Test regular expressions with live match highlighting and capture group display.

Dev
/ /
📱

QR Code Generator

Create custom QR codes for URLs, text, email, phone, WiFi and vCard contacts.

Dev
🎂

Age Calculator

Find your exact age in years, months, days, total hours, and days until next birthday.

Calc
🏦

EMI / Loan Calculator

Calculate monthly EMI, total interest payable, and view full amortization schedule.

Calc
🧾

GST Calculator

Add or remove GST from any amount — supports all Indian GST slabs with CGST/SGST split.

Calc
💯

Percentage Calculator

Calculate percentages, increases, decreases, and percentage differences easily.

Calc
% of
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Unit Converter

Convert length, weight, temperature, area, speed and data storage units instantly.

Calc
🖼️

Image Compressor

Compress JPG, PNG & WebP without losing quality — 100% client-side & private.

Image
📁

Click or drag & drop image here

JPG, PNG, WebP — up to 20MB
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PDF to JPG Converter

Convert PDF pages to high-quality JPG or PNG images entirely in your browser.

Image
📄

Click or drag & drop PDF here

PDF files only — processed in browser
🔷

SVG to PNG Converter

Convert SVG files or pasted code to PNG at any scale — entirely in your browser.

Image
🔷

Click or drag & drop SVG here

📎

Image to Base64

Convert any image to Base64 string for embedding in HTML, CSS, or JSON.

Image
📎

Click or drag & drop image here

📐

Aspect Ratio Calculator

Calculate width, height, or ratio — perfect for responsive design & video.

Image

常见 问题解答

Are these tools completely free?

Yes — every tool on this page is 100% free forever. No sign-up, no credit card, no hidden fees.

Is my data safe and private?

All tools run entirely in your browser (client-side). No files or text are ever uploaded to our servers. AI tools use the Anthropic API over HTTPS.

Do these tools work on mobile?

Yes, every tool is fully responsive and tested on iOS and Android devices.

How accurate are the calculators?

Our GST, EMI, age, and percentage calculators use precise formulas aligned with Indian standards.

Can I use the AI tools for free?

Yes — the AI Caption Generator, Blog Post Generator, and Text Rewriter are powered by Hooman Info Tech's Claude API integration.

How often are new tools added?

We regularly add new tools and improve existing ones. Bookmark this page to stay updated.

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