TripleW Tools

Free Online Tools

Fast browser tools for everyday web tasks

Free image converters, YouTube tools, developer formatters, text utilities, calculators and CSS generators — no signup, and your files stay in your browser.

YouTube Tools

YouTube Thumbnail Downloader Preview and download YouTube thumbnails in common sizes. YouTube Tag Extractor See the tags a YouTube creator added to a video for search and discovery. YouTube Keyword Extractor Pull a video's keyword tags for your own YouTube keyword research. YouTube Embed Code Generator Get responsive YouTube embed code with start time, autoplay and privacy mode. YouTube Timestamp Link Generator Create links that start a video at an exact time, or chapter links in bulk. YouTube Video ID Extractor Get the 11-character video IDs from one or many YouTube links.

Developer Tools

JSON Viewer Online Format, validate, minify and explore JSON instantly. JWT Decoder Decode JWT tokens to view header and payload. Validates format. SHA256 / MD5 Hash Generator Generate SHA-256 or MD5 hashes for any text and copy the result. Base64 Encoder / Decoder Encode text to Base64, decode Base64 to text, and use URL-safe mode. URL Encoder / Decoder URL-encode or decode text and copy the result. HTML Formatter & Beautifier Format, beautify, validate and minify HTML with syntax highlighting. UUID Generator Generate UUID v4 values, multiple UUIDs, copy and download. Regex Tester Test JavaScript regular expressions, view matches and groups, preview replacements. CSV to JSON Converter Convert CSV to JSON instantly in your browser. JSON to CSV Converter Convert JSON to CSV instantly in your browser. Cron Expression Generator & Parser Build or parse cron expressions with a human-readable schedule and next run times. CSS / JS / HTML Minifier & Beautifier Minify or beautify CSS, JavaScript and HTML instantly in your browser. Unix Timestamp / Epoch Converter Convert timestamps to dates and dates to timestamps, plus a live epoch clock. JSON to YAML Converter Convert JSON to YAML instantly in your browser. YAML to JSON Converter Convert YAML to JSON instantly in your browser. XML Formatter & Minifier Beautify or minify XML with well-formedness validation. Meta Tag & Open Graph Generator Preview how a page looks on Google, Twitter/X and Facebook, and copy the meta tags. CSS Beautifier Format messy or minified CSS into clean, readable code — or minify it. JavaScript Beautifier Format messy or minified JavaScript into clean, readable code — or minify it.

Image Tools

JPG to WEBP Converter Shrink JPEG photos into smaller, high-quality WebP files. PNG to WEBP Converter Convert PNG to WebP while keeping transparency intact. GIF to WEBP Converter Turn GIF images into much smaller WebP files. Image to WEBP Converter Convert JPG, PNG, GIF, or any browser-supported format to WebP. Image Compressor Compress JPG, PNG, and WEBP with quality control and download. Image Resizer Resize images to exact pixel dimensions and export as PNG, JPEG or WebP. Image to PDF Converter Combine one or more images into a single downloadable PDF. HEIC to JPG / PNG Converter Convert iPhone HEIC photos to JPG or PNG in your browser. Image to Text (OCR) Extract text from a photo or screenshot using in-browser OCR. WebP to JPG Converter Convert WebP images to universally supported JPG files. WebP to PNG Converter Convert WebP images to PNG while keeping transparency. PNG to JPG Converter Convert PNG images to JPG instantly in your browser. JPG to PNG Converter Convert JPG images to PNG instantly in your browser. Image Cropper Drag to position and resize a crop box, then export the cropped image. Compress Image to Size (KB) Compress an image to any target size in KB, keeping the best quality that fits. Compress Image to 100KB Reduce any photo to under 100KB for online forms and applications. Compress Image to 50KB Shrink a photo or signature to under 50KB for upload limits. Compress Image to 20KB Get a photo or signature under 20KB for exam and job applications. PNG to PDF Converter Combine one or more PNG images into a single PDF. JPG to PDF Converter Combine one or more JPG photos into a single PDF.

Text Tools

Text Case Converter Convert text between Upper, Lower, Title, camelCase, snake_case and more. Uppercase Converter Convert text to UPPERCASE. camelCase Converter Convert text to camelCase. snake_case Converter Convert text to snake_case. Markdown Previewer Live Markdown editor with preview, copy HTML and download Markdown. Word Counter Count words, characters, sentences and paragraphs, with estimated reading time. Lorem Ipsum Generator Generate placeholder Lorem Ipsum text by paragraphs, sentences or words. Diff Checker / Text Compare Compare two blocks of text and see additions and removals side by side. Text Sorter & Duplicate Remover Sort lines alphabetically or by length, remove duplicates and blank lines. Prompt Generator Build a well-structured AI prompt from role, task, context and tone — no API calls. URL Slug Generator Convert any title or text into a clean, SEO-friendly URL slug. Text to Speech Paste text and have your browser read it aloud, with adjustable voice, rate and pitch.

Design Tools

QR Code Generator Create QR codes for URLs, text, email, phone, and WiFi. Download PNG or SVG. Color Picker & Palette Generator Pick colors, generate palettes, copy HEX values and download palettes. Favicon Generator Generate favicon PNGs in every standard size and download them as a zip. CSS Gradient Generator Build linear or radial CSS gradients with multiple stops and copy the code. Color Palette Generator Extract a color palette from any image, right in your browser. CSS Box Shadow Generator Build single or layered CSS box shadows with a live preview. CSS Border Radius Generator Adjust each corner's border-radius with a live preview. Color Contrast Checker (WCAG) Check the WCAG contrast ratio between two colors with AA/AAA results. HEX to RGB Converter Convert a HEX color code to RGB and HSL instantly. RGB to HEX Converter Convert RGB values to a HEX color code instantly. CSS Flexbox Generator Build a flex container visually with a live preview and copy the CSS. Gradient Text Generator Create gradient-colored CSS text with a live preview and copy the code.

Calculators & Everyday Tools

Age Calculator Calculate exact age in years, months and days, plus your next birthday countdown. Percentage Calculator Find percentages, percentage change, and increase or decrease a number by %. Password Generator Generate strong, random passwords with custom length and character sets. Random Number / String Generator Generate random numbers in a range or random strings with custom character sets. Unit Converter Convert length, weight and temperature units instantly in your browser. BMI Calculator Calculate your Body Mass Index, category, and healthy weight range. Date Calculator Find the days between two dates, or add/subtract days from a date. Discount Calculator Find the sale price and amount saved for any percentage-off discount. Tip Calculator Calculate the tip amount, total bill, and per-person split.

Free online tools that run in your browser

TripleW Tools is a collection of free, single-purpose web tools for everyday jobs: converting images between WebP, JPG, PNG and PDF, compressing and cropping photos, downloading YouTube thumbnails, formatting JSON, HTML and XML, encoding Base64 and URLs, counting words, generating passwords and QR codes, and building CSS gradients, shadows and flexbox layouts.

Almost every tool processes your files and text directly in your browser, so nothing is uploaded to a server. That makes them fast, private, and usable on slow connections or mobile data. There's no signup, no install, and no usage limit — open a tool, use it, and download the result.

Tools are grouped by category above. If you need something specific — a WebP to JPG converter, a Unix timestamp converter, a BMI or tip calculator, or a color contrast checker for accessibility — pick it from its section and get started in seconds. See About and the Privacy Policy for exactly how your data is handled.