Tool directory
All free online tools
Browse 47 fast utilities for AI prompts, images, developer workflows, writing, and everyday calculations. Most tools run locally in your browser.
Featured tools
High-intent utilities with expanded guides and FAQs.
JSON FormatterFormat, validate, and prettify JSON. Error detection with line numbers.Base64 Encode/DecodeEncode text to Base64 or decode back. UTF-8 support.QR GeneratorGenerate QR codes from any text or URL. Download as PNG.Image CompressorCompress JPG, PNG, WebP images with browser-side processing.UUID GeneratorGenerate random UUIDs (v4). Batch generate multiple at once.Password GeneratorGenerate strong passwords. Custom length and characters.JWT DecoderDecode JSON Web Tokens to view header and payload.Crontab ParserParse cron expressions. See human-readable schedule.Regex TesterTest regular expressions with flags. See all matches.URL Encoder/DecoderEncode or decode URL components safely.
AI tools
Prompt, token, and model utilities for AI workflows. 8 utilityies.
AI Token CalculatorAIEstimate token count and cost for GPT-4, Claude, and more.Prompt GeneratorAIBuild optimized prompts for ChatGPT and Claude with style selectors.Prompt TemplatesAI24 curated ChatGPT & Claude prompt templates. Copy and customize.AI Output CleanerAIClean messy AI text: strip markdown, fix quotes, normalize formatting.Midjourney HelperAIBuild Midjourney prompts visually with style and lighting pickers.AI Model CompareAICompare GPT-4, Claude, Gemini side by side โ pricing and specs.ChatGPT AnalyzerAIUpload conversations.json to see stats. Private and browser-based.Prompt ToolboxAIChain of Thought, Few-Shot, Role Prompting โ advanced techniques.
Image tools
Browser-based image, QR, barcode, color, and metadata tools. 9 utilityies.
Image CompressorCompress JPG, PNG, WebP images with browser-side processing.Image CropperCrop images online. Select region, preview, and download result.Image to Base64Convert any image to a Base64 data URL. No server upload.QR GeneratorGenerate QR codes from any text or URL. Download as PNG.QR ReaderDecode QR codes from images. Upload a photo and extract content.Barcode GeneratorGenerate Code 128 barcodes. Download as SVG.Color Palette GeneratorGenerate tints, shades, and complementary color palettes.EXIF ViewerView hidden metadata from photos: camera, GPS, settings.SVG MinifierCompress SVG files by removing whitespace and unnecessary data.
Dev tools
Developer utilities for code, data formats, encoding, and debugging. 13 utilityies.
JSON FormatterFormat, validate, and prettify JSON. Error detection with line numbers.CSS FormatterFormat or minify CSS code. Beautify messy stylesheets instantly.HTML FormatterFormat and beautify HTML or minify to reduce file size.SQL FormatterFormat SQL queries with keyword highlighting.JS/TS FormatterFormat JavaScript & TypeScript code. Auto-indent and minify.Base64 Encode/DecodeEncode text to Base64 or decode back. UTF-8 support.HTML Entity EncodeEncode/decode HTML entities like < > & ".URL Encoder/DecoderEncode or decode URL components safely.UUID GeneratorGenerate random UUIDs (v4). Batch generate multiple at once.Regex TesterTest regular expressions with flags. See all matches.JWT DecoderDecode JSON Web Tokens to view header and payload.Crontab ParserParse cron expressions. See human-readable schedule.IP LookupFind your public IP, location, ISP, and browser info.
Text tools
Writing, Markdown, diff, cleanup, and text transformation tools. 7 utilityies.
Text Diff CheckerCompare two texts side by side. See what changed.Word CounterCount words, chars, sentences, paragraphs in real-time.Markdown PreviewWrite Markdown and see live preview. GitHub-flavored.Case ConverterConvert case: upper, lower, title, camelCase, snake_case.Lorem Ipsum GeneratorGenerate placeholder text. Custom paragraph count.Text Dedup & SortRemove duplicate lines, sort alphabetically, or shuffle.Text to SlugConvert text to URL-friendly slug. Custom separator.
Utility tools
Everyday calculators, converters, generators, and helper tools. 10 utilityies.
Color PickerPick colors, convert HEX, RGB, HSL. Copy codes instantly.Password GeneratorGenerate strong passwords. Custom length and characters.Hash GeneratorGenerate SHA-1, SHA-256, SHA-384, and SHA-512 hashes.Timestamp ConverterConvert Unix timestamps to dates and vice versa.Unit ConverterConvert length units: mm, cm, m, km, in, ft, yd, mi.Number Base ConverterConvert binary, octal, decimal, hex. Multi-base.JSON to CSVConvert JSON array to CSV format. Nested object support.Random Number GenGenerate random numbers in a range. Unique values.Percentage CalcCalculate percentage of, change, increase/decrease.Date CalculatorCalculate days between dates or add/subtract from a date.