Everything runs locally in your browser — nothing is ever uploaded to a server.
Convert text to speech online for free. Listen to any text with natural browser voices, adjustable speed, pitch, and voice selection.
Turn any link or text into a scannable QR code and download it as a PNG.
Switch between UPPERCASE, lowercase, Title Case, camelCase, snake_case and more in one click.
Percent-encode or decode URLs and query strings instantly.
Generate UUID v4, ULID, Nano ID or short IDs in bulk using cryptographically secure randomness.
Generate the full set of SEO, Open Graph and Twitter Card tags, with length gauges for title and description.
Compare two blocks of text and see exactly which lines were added, removed or left alone.
See the hidden data your photos carry — including GPS coordinates — and download a stripped copy.
Convert Markdown to clean, ready-to-use HTML with a live preview.
Generate placeholder paragraphs for mockups, wireframes and design layouts.
Beautify, minify and validate JSON instantly with clear error messages.
Build a valid robots.txt, including blocks for AI training crawlers, and download it ready to upload.
Write a regular expression and watch every match highlight live, with capture groups broken out per match.
Erase the background from a photo and download a transparent PNG — free, unlimited, and processed entirely on your device.
Shrink photo file size in seconds with an adjustable quality slider and optional resizing.
Stamp your name across a photo before you share it — corner, centre or tiled, with full control over size and opacity.
Strip comments and whitespace from CSS to shrink file size before shipping to production.
Generate cryptographically random passwords with full control over length and character sets.
Convert PNG, JPG, or WebP images in your browser — no upload, instant download, adjustable quality.
Work out X% of Y, what percent one number is of another, or the percentage change between two values.
See how your page will look in Google results, with real pixel-width measurement for desktop and mobile.
Calculate exact age in years, months and days, plus a countdown to your next birthday.
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes of any text instantly.
Turn CSV data into clean, structured JSON using your first row as field names.
Combine photos or scans into a single PDF — page order, page size and quality all under your control.
Pull the dominant colours out of any image and export them as ready-to-use CSS variables.
See which words and phrases dominate your content, and whether your target keyword is used at a sane rate.
Score how hard your writing is to read, and get the specific sentences that are slowing readers down.
Decode a JSON Web Token to read its header and payload, and check whether it has expired.
Turn one logo into every favicon size a modern site needs, with the HTML to paste into your head.
Resize and re-encode as many images as you like at once, with presets for every common social and web size.
Calculate Body Mass Index from height and weight with an instant category result.
Convert length, weight, volume and temperature units instantly.
Convert between HEX, RGB and HSL, and generate a matching 5-color palette.
Live word, character, sentence and paragraph counts with an estimated reading time.
Dictate straight into your browser and get live text back, in seven languages including Arabic.
Build linear, radial and conic CSS gradients visually and copy the code straight into your stylesheet.
Write a cron expression and get a plain-English description plus the next five times it will actually fire.
Turn a single-line query into properly indented, readable SQL with consistent keyword casing.
Convert between Unix timestamps and human-readable dates instantly, in both directions.
Encode text to Base64 or decode Base64 back to plain text, with full Unicode support.