All tools
23 free utilities, grouped by what they do. Nothing to install, no account needed.
JSON FormatterFormat, validate and minify JSON with precise error locations.DeveloperJSON ValidatorCheck whether JSON is valid, with the exact line and column of any error.DeveloperJWT DecoderDecode a JSON Web Token and inspect its header, payload and expiry.DeveloperBase64 Encoder / DecoderEncode text to Base64 or decode it back, with full Unicode support.DeveloperUUID GeneratorGenerate cryptographically random UUID v4 and time-sortable UUID v7 identifiers.DeveloperHash GeneratorGenerate MD5, SHA-1, SHA-256 and SHA-512 hashes from text or a file.DeveloperTimestamp ConverterConvert between Unix timestamps and human-readable dates, in either direction.DeveloperURL Encoder / DecoderPercent-encode or decode text and full URLs for safe use in links and queries.DeveloperRegex TesterTest a regular expression against sample text with live match highlighting.DeveloperMarkdown PreviewWrite Markdown and see the rendered HTML side by side, live.DeveloperSlug GeneratorTurn any text into a clean, URL-safe slug.Developer
Word CounterCount words, characters, sentences and paragraphs, with reading time.TextCharacter CounterCount characters with and without spaces, against common platform limits.TextCase ConverterConvert text between UPPERCASE, lowercase, Title Case, camelCase and more.TextRemove Duplicate LinesStrip duplicate lines from a list while keeping the order you choose.TextText CompareCompare two blocks of text and see exactly what was added, removed or changed.Text
PNG to JPGConvert a PNG image to JPG, right in your browser.ImageJPG to PNGConvert a JPG image to lossless PNG, right in your browser.ImagePNG to WebPConvert a PNG image to WebP for smaller files with transparency kept intact.ImageWebP to PNGConvert a WebP image to PNG for wider compatibility.ImageImage CompressorShrink an image's file size with a live quality preview.ImageImage ResizerResize an image to exact dimensions or a percentage, with aspect ratio locked.Image