Web tools

Create customizable QR codes and keep a local history.

Style code snippets and save reusable presentation settings.

Merge, split, or rotate PDF files and download the result locally.

Compose invoice details, calculate totals, and export a portable document.

Compress, resize, and convert images locally to WebP, JPEG, or PNG.

Format and export JSON, YAML, or CSV without uploading source data.

Compare two texts line by line and copy a compact diff locally.

Count characters, bytes, words, and lines of any text instantly.

Encode and decode Base64 text with URL-safe and Unicode support.

Generate cryptographically secure random passwords in your browser.

Compute SHA-1, SHA-256, SHA-384, and SHA-512 digests of any text locally.

Convert Unix timestamps to dates and back, with a live current-time readout.

Convert text between uppercase, lowercase, title, camel, snake, and kebab cases.

Decode JWT headers and payloads locally with expiry and validity checks.

Convert length, weight, data size, and temperature units instantly.

Write Markdown and preview the rendered HTML in real time.