Useful Tools Suite

Cut video to exact start and end times with a visual timeline, preview, and local WebM export. No upload, no server processing.

Scale video to 1080p, 720p, 480p, square, vertical, or custom dimensions with aspect-ratio lock and local WebM export.

Drag a crop box directly on the video frame, adjust exact X/Y/width/height, use aspect presets, and export the cropped area locally.

Convert a selected video segment into an animated GIF in the browser with adjustable FPS, width, and built-in 256-color GIF89a encoding.

Open, parse, edit, add rows, and export CSV files in an interactive, responsive spreadsheet grid locally in your browser.

Convert structured tabular CSV files to JSON objects or turn JSON array data back into formatted CSV format with one click.

Compare two text files or code snippets side by side with color-coded additions, removals, and unified line-number mapping.

Validate, format, minify, and explore complex JSON objects in an interactive collapsible tree view with instant keyword searching.

Two-way converter between JSON and YAML syntax. Cleanly parses nested maps, lists, and scalar types with real-time output.

Decode and inspect JSON Web Tokens locally. View decrypted headers, payload claims, expiration timestamps, and signature sections without transmitting tokens.

Convert Markdown documents into semantic, ready-to-copy HTML code with 1-click clipboard copy and HTML file download.

Dual-pane live Markdown editor with instantaneous HTML rendering, code highlighting, drag-and-drop file loading, and clean typography.

Format, indent, validate XML code, and explore structured XML elements in an expandable document node tree.