All Free Online Tools
Browse every free online tool from KitSlick, including text, code, image, media and web utilities. All tools run directly in your browser with no downloads, uploads or sign-up required.
Code Tools
Code Minifier
Minify JavaScript, CSS and HTML instantly in your browser. Remove comments, compress whitespace and reduce file size with no uploads or sign-up required.
Comment Remover
Remove comments from HTML, CSS and JavaScript instantly. Clean source code, prepare files for production, and simplify code sharing. Everything runs securely in your browser with no uploads.
HTML Viewer & Sharer
Paste HTML, CSS and JavaScript to preview webpages instantly. Edit, test and share code directly in your browser with no uploads or account required.
Media Tools
Image Compressor
Shrink image file size with quality and target-size controls. Optimise for web, email, and Core Web Vitals.
Image Format Converter
Change image file type between PNG, JPEG, and WebP while keeping dimensions. For maximum size reduction with quality controls, use the Image Compressor. In-browser, no uploads.
Video Compressor
Make video files smaller with compression level, resolution, and target file size. Typically MP4 output. For MOV→MP4, GIF, or MKV format changes, use Video Format Converter. FFmpeg in your browser; no upload.
Video Format Converter
Change video format for compatibility (MP4, WebM, MOV, MKV, GIF). To only reduce size of an existing MP4, use Video Compressor. Private FFmpeg WebAssembly in the browser.
Text Tools
Case Converter
Convert text to uppercase, lowercase, title case, sentence case and more instantly. Format text directly in your browser with no limits or sign-up required.
Difference Checker
Compare two versions of text side by side and instantly highlight additions, deletions and changes directly in your browser. Fast, private and free.
Line Break Remover
Fix text broken by hard line wraps from PDFs, emails, and websites. Remove stray newlines, preserve paragraphs, or join lines—not a strict one-line flatten for JSON or CSV.
Paragraph to Single Line
Flatten any text into one single line—remove all line breaks and collapse spaces. Built for JSON strings, CSV cells, SQL literals, and config—not general copy editing.
Text Cleaner
Clean messy text by removing HTML, fixing spacing, decoding entities and stripping unwanted formatting instantly in your browser. No uploads required.
Word & Character Counter
Free online word counter tool. Count words, characters, sentences, paragraphs, and reading time in real-time. Private and instant.
Web Tools
Website Favicon Generator
Generate favicon and web icon PNGs from your logo or image, including 16×16, 32×32, 48×48, 180×180, 192×192 and 512×512 sizes. Runs entirely in your browser.
llms.txt Generator
Generate structured LLMs.txt files for your website, blog or documentation. Improve AI discoverability with a clean, machine-readable format in seconds.
Open Graph Preview Tool
Preview how your website appears when shared on social media. Analyse Open Graph, Twitter Card, LinkedIn and Slack metadata from any public webpage with no sign-up required.
PNG to ICO Converter
Convert PNG, JPG, or WebP into a .ico file (favicon.ico, Windows icons). For a simple website PNG favicon only, use the Website Favicon Maker instead. Private, in-browser conversion.
robots.txt generator
Generate modern Robots.txt files with SEO best practices, AI crawler controls and search engine directives. Create valid files instantly in your browser.
Sitemap Generator
Generate XML sitemaps for search engines in seconds. Supports bulk URLs, priorities and change frequency settings directly in your browser for faster indexing.