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ToolKitNexus
ToolKitNexus is a curated collection of free online tools for developers, designers and content creators. All tools run entirely in the browser (client-side JavaScript) — no sign-up required, and tool input never leaves the user's device. The site is available in English, Chinese and Japanese.
For agents: Curated free browser-based tools for developers and designers: JSON formatter, Base64, favicon generator, meta tags. No sign-up; input stays on the user's devic
online toolsjson formatterbase64 encoderfavicon generatormeta tag generatorbrowser-based
Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-27T18:40:37.828Z. Cached copy · Source on toolkitnexus.com
# ToolKitNexus
> ToolKitNexus is a curated collection of free online tools for developers, designers and content creators. All tools run entirely in the browser (client-side JavaScript) — no sign-up required, and tool input never leaves the user's device. The site is available in English, Chinese and Japanese.
## Tools
- [JSON Formatter](https://toolkitnexus.com/tools/json-formatter): Format, validate and beautify JSON data with syntax highlighting. Supports 2/4-space indent and minify.
- [Base64 Encoder / Decoder](https://toolkitnexus.com/tools/base64): Encode text to Base64 or decode Base64 back to plain text. Full UTF-8 support for all languages and emoji.
- [Favicon Generator](https://toolkitnexus.com/tools/favicon-generator): Generate a complete favicon package (ICO, PNG, SVG) from text, emoji or an uploaded image.
- [Random Name Generator](https://toolkitnexus.com/tools/random-name-generator): Generate realistic random English names from curated datasets — for characters, mockups and test data.
- [Meta Tag Generator](https://toolkitnexus.com/tools/meta-tag-generator): Generate SEO-friendly meta tags including title, description, Open Graph and Twitter Cards.
## Time & Date Tools
> A suite of time, date and calendar tools. All computed natively in the browser (Intl / Web Audio APIs); the lunar calendar tool additionally uses an astronomical engine. No sign-up. Available in English, Chinese and Japanese.
- [Discord Timestamp Generator](https://toolkitnexus.com/tools/discord-timestamp): Generate dynamic Discord timestamps (<t:…>) that render in each viewer's local timezone. All 7 formats with live preview.
- [Bulk Discord Timestamp Generator](https://toolkitnexus.com/tools/discord-timestamp-bulk): Generate many Discord timestamps at once, copy them all, and import or export as CSV.
- [Time Zone Converter](https://toolkitnexus.com/tools/timezone-converter): Convert a date and time between any two IANA time zones, with automatic daylight-saving handling.
- [World Clock](https://toolkitnexus.com/tools/world-clock): See the current local time in major cities worldwide, updating live every second.
- [Duration Calculator](https://toolkitnexus.com/tools/duration-calculator): Calculate the exact duration between two dates and times, broken into years, days, hours, minutes and seconds.
- [Countdown Timer](https://toolkitnexus.com/tools/countdown-timer): A free online countdown timer with presets, start/pause/reset controls and a completion sound.
- [Time Until Date](https://toolkitnexus.com/tools/time-until): Count down to any future date and time, with a live breakdown and a copyable Discord timestamp.
- [Time Ago Calculator](https://toolkitnexus.com/tools/time-ago): Find out exactly how much time has passed since any past date and time.
- [Online Calendar](https://toolkitnexus.com/tools/calendar): A perpetual monthly calendar; pick any date to see its ISO week number, day of year and Discord date code.
- [Era Year Converter](https://toolkitnexu
…
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