olga.deeva.gritsenko

Markdown editor with live preview: type markdown, see rendered HTML instantly. Supports GitHub markdown. Copy, download, offline.

Instantly display your screen resolution, viewport size, pixel ratio and color depth.

Unit converter for length, weight, temperature, volume, area, speed and data. Instant results, swap, copy and local history.

Notepad for quick notes in a popup: autosave as you type, search, word count, download as .txt. All notes stay in your browser.

Save articles to a private read later reading list in one click. Tags, search, archive, unread badge and JSON export. No account.

Color contrast checker for WCAG AA and AAA. Check the contrast ratio of two colors, preview text, and apply an accessible fix.

Aspect ratio calculator for images and videos. Find ratio, decimal and scale table from width and height. Copy result in one click.

Veo prompt generator and AI video prompt builder for Google Veo 3 and Sora. Build cinematic prompts with presets, offline.

Password generator for strong random passwords and passphrases. Set length and symbols, check strength, copy with one click.

Recipe extractor turns any recipe page into a clean card: ingredients, steps, photo and a print view. No ads, fully local.

Convert epoch timestamps to readable dates and back. Seconds or milliseconds auto-detected, live clock, one-click copy.

Create and download PDF invoices in seconds. Offline invoice generator with live preview, taxes, discounts and 12 currencies.

Percentage calculator with 6 modes: percent of a number, percent change, discounts, tips. Live results, history. Offline.

Format and beautify SQL queries instantly. Supports indentation, keyword casing, and multi-dialect SQL.

Count sentences, words, characters, paragraphs and reading time in real time as you type.

Age calculator: exact age from a date of birth in years, months, days, weeks, plus zodiac sign and next birthday countdown.

Encode and decode URLs and URL components instantly in your browser with encodeURI support

Open any .xml page as a collapsible tree. Search tags, attributes and text, handle big files, view full screen. Free, offline.

Cold email templates for sales outreach: 38 proven emails with variables, live preview and one-click copy. Works fully offline.

CSS border radius generator with live preview. Set uniform or individual corners in px or %. Copy the CSS code in one click.