Developer Tools

Useful tools for developers. All processing happens locally in your browser — no uploads, no signup.

SVG to PNG

Convert SVG vector graphics to PNG raster images.

Favicon Generator

Generate favicon icons in all sizes for your website.

Base64 Encoder / Decoder

Encode and decode text with Base64. Supports Unicode, all local.

Image to Base64

Convert images to Base64 or Data URIs online. All local, no upload.

JSON Formatter

Format, validate, and convert JSON to YAML, XML, TOML. All local, no upload.

Timestamp Converter

Convert Unix timestamps to dates and vice versa. Free, fast, private — all local.

Seconds Converter

Convert seconds to years, months, days, hours, and minutes. All local, instant.

Epoch Dates

Get Unix timestamps for the start and end of any month or day. All local, instant.

Cron Expression Parser

Parse, generate, and convert cron expressions for Linux, OpenClaw, Quartz, and more. Supports @-shorthand, 5-field cron, and 6-field Quartz. All local, instant.