Free Tools
Tools I Built
Free browser-based tools — no signup, no watermarks, no server uploads. Built entirely with vibe coding to prove what AI-assisted development can do.
Image Tools9 tools
Background Remover
Remove the background from any image instantly using AI — free, no signup, browser-based.
Image Resizer
Resize by dimensions or compress to a target file size. Supports JPG, PNG, WebP.
Image Compressor
Compress images while maintaining quality. Reduce file sizes for faster web pages.
Image Format Converter
Convert images between JPG, PNG, WebP, and more formats instantly.
Color Palette Extractor
Extract the dominant color palette from any image.
OG Image Generator
Generate Open Graph images for social media sharing.
Watermark Adder
Add text or image watermarks to your photos.
Favicon Generator
Generate favicons in all required sizes from any image.
PDF to Word
Convert PDF files to editable Word documents (.docx) directly in your browser.
Text & Writing6 tools
Word & Character Counter
Count words, characters, sentences, paragraphs and estimate reading time.
Lorem Ipsum Generator
Generate placeholder text by paragraphs, sentences, or words in multiple styles.
Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case and more.
Markdown to HTML
Convert Markdown to HTML with live side-by-side preview and toolbar shortcuts.
Text Diff Checker
Compare two texts line by line and see exactly what changed with color highlights.
Readability Scorer
Analyze text readability with Flesch, Kincaid, and Gunning Fog scores.
SEO Tools6 tools
Meta Tag Generator
Generate all HTML meta tags including Open Graph and Twitter Card tags.
Keyword Density Analyzer
Analyze keyword frequency and density for 1, 2, and 3-word phrases.
Robots.txt Generator
Build a robots.txt file with custom user-agent rules and sitemap URL.
Sitemap Generator
Build an XML sitemap with URL priorities, change frequency, and last modified dates.
SERP Previewer
Preview how your page looks in Google search results on desktop and mobile.
Schema Markup Generator
Generate JSON-LD structured data for Article, Product, FAQ, Person and more.
Marketing & Ads4 tools
UTM Builder
Build UTM-tagged campaign URLs for Google Analytics tracking. Supports all 5 UTM parameters.
ROI Calculator
Calculate return on investment for any marketing campaign. Includes break-even and profit margin.
CPM Calculator
Calculate CPM, CPC, CTR and total impressions for your ad campaigns.
Hashtag Generator
Generate relevant hashtags for Instagram, Twitter, LinkedIn, and TikTok from any topic.
Developer / Code8 tools
JSON Formatter
Format, validate, and minify JSON. Syntax highlighting, error detection, and copy/download.
Base64 Encoder / Decoder
Encode or decode Base64 text and files. Supports plain text, URLs, and binary files.
URL Encoder / Decoder
Encode or decode URLs and query strings. Handles full URLs and individual components.
CSS Gradient Generator
Build linear and radial CSS gradients with a live preview and one-click copy.
HTML Entity Encoder
Encode special characters to HTML entities or decode entities back to plain text.
Color Converter
Convert colors between HEX, RGB, HSL, HSV, and OKLCH formats with live preview.
Password Generator
Generate cryptographically secure passwords with entropy calculation and strength meter.
QR Code Generator
Generate QR codes for any URL or text. Customize size and colors, download as PNG.
File & Document5 tools
CSV to JSON
Convert CSV files or pasted text to JSON. Supports custom delimiters and header detection.
JSON to CSV
Convert JSON arrays to CSV spreadsheet format with delimiter options and preview table.
Excel to JSON
Convert Excel (.xlsx/.xls) to JSON with sheet selector and table preview.
PDF Merger
Combine multiple PDF files into one. Reorder pages, merge up to 10 PDFs in-browser.
File Size Converter
Convert between bytes, KB, MB, GB, and TB. Includes download time estimates.
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