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All tools (13)
🖼️ Image
Generate an OG Image, Twitter Header, Facebook Cover, or YouTube Thumbnail all in one place.
Use it →Upload SVG code or a file, adjust the scale, and convert it to a PNG or JPEG image.
Use it →Convert images to JPG, PNG, or WebP and resize them in one place — no server upload.
Use it →🔤 Text
Type or paste Markdown, see a live preview, and copy the resulting HTML code instantly.
Use it →Trim extra spaces, remove duplicate lines, and convert text to UPPERCASE, camelCase, snake_case, and more.
Use it →Count characters, words, sentences, paragraphs, and estimated reading time in real time.
Use it →{ } Dev Tools / General
Generate QR codes for URLs, text, Wi-Fi, contact cards, social media, and more, with a logo and custom frame.
Use it →Generate secure random passwords with crypto.getRandomValues. Adjust length and character types, with a strength meter.
Use it →Generate version 4 (v4) UUIDs in bulk. Choose uppercase/lowercase and with or without hyphens.
Use it →Validate and format JSON for readability, with exact error locations.
Use it →Encode and decode Base64 with full Unicode support.
Use it →About SwiftyKit
SwiftyKit is a collection of free online tools that run entirely in your browser (client-side) — no files or data are ever uploaded to a server, no sign-up is required, and none of your data is stored anywhere. It's built so that both Thai and international users can access tools that are genuinely useful for everyday life and work, at no cost.