Online tools
Small tools that run right here in your browser. Nothing is uploaded.
JSON FormatterFormat, minify and validate JSON with error positions. Runs entirely in your browser.
Base64 Encoder / DecoderConvert text to and from Base64, with proper UTF-8 handling for CJK and emoji.
Hash GeneratorCompute SHA-1, SHA-256, SHA-384 and SHA-512 hashes locally.
Timestamp ConverterConvert between Unix timestamps and human-readable dates.
Image CompressorCompress images in the browser. Adjustable quality and size; files never leave your device.
Color ConverterConvert between HEX, RGB and HSL, and generate a shade scale.
Case ConverterConvert between camelCase, PascalCase, snake_case, kebab-case and more.
Password GeneratorGenerate strong passwords using the system CSPRNG. Batch mode included.
URL Encoder / DecoderEncode and decode URLs, with separate modes for full URLs and component values.
Text DiffCompare two blocks of text line by line, highlighting additions and removals.
Markdown PreviewWrite Markdown on the left, see it rendered on the right. Tables, code blocks and task lists included.
Regex TesterTest regular expressions live, with match highlighting and capture groups.
Word & Character CountCount characters, CJK characters, words and lines, with a reading-time estimate.
Text Batch ToolsDeduplicate, sort, drop empty lines, trim whitespace and shuffle lines.
JWT DecoderDecode a JWT header and payload, with expiry check.
Number Base ConverterConvert between binary, octal, decimal and hexadecimal.
Escape ToolsEscape and unescape HTML entities, Unicode sequences and JSON strings.
CSV to JSONConvert between CSV and JSON, handling quoted fields and embedded newlines.
Image ConverterConvert images to WebP, JPEG or PNG in your browser, with optional resizing.
Cron Expression ExplainerTurns a cron expression into plain language and lists the next run times.
๐ Everything runs locally in your browser. Files and content are never uploaded.