Category 02 of 05 · 94 tools
Developer Tools.
The daily toolkit, without leaving your tab. 94 tools across 19 groups — format and validate JSON, XML and HTML, encode with Base64, hash with SHA-256, test regex, decode JWTs, parse cron, convert colors and timestamps, and run a 35-tool SEO suite. Every byte is processed in your browser. Nothing is stored.
- Tools94
- Groups19
- Uploads0
- Backendnone
- Costfree
Nineteen groups. Ninety-four tools. Zero servers.
JSON
Formatter, validator with line-precise errors, beautifier with key sorting, minifier and a collapsible tree viewer.
Open group → 02XML
Format and pretty-print XML, validate structure, minify documents and convert between XML and JSON.
Open group → 03HTML
Format markup, preview rendered output, minify documents, encode entities and extract readable text.
Open group → 04CSS
Beautify messy stylesheets into readable rules and minify them down to the last byte for production.
Open group → 05JavaScript
Format minified scripts with clean indentation or compress readable code without changing behavior.
Open group → 06URL
Percent-encode query strings and paths, or decode any URL back into readable text.
Open group → 07Base64
Encode text and files to Base64 and decode Base64 strings back — fully in your browser.
Open group → 08JWT
Decode JSON Web Tokens into readable header and payload claims with expiry warnings.
Open group → 09Hash
Generate MD5, SHA-1 and SHA-256 digests for any input — checksums finished in milliseconds.
Open group → 10Character Encoding
ASCII, binary, hex, octal, HTML entities and Unicode conversion — text into anything and back.
Open group → 11Color
Color picker, contrast checker, mixer, palettes and conversions across HEX, RGB, HSL and CMYK.
Open group → 12Timestamp
Convert Unix timestamps to human dates and dates back to epoch seconds, with timezone awareness.
Open group → 13UUID
Generate v1 and v4 UUIDs, or bulk-produce any quantity with one click for seeds and fixtures.
Open group → 14Regex
Test regular expressions live with highlighting, or get a plain-English explanation of any pattern.
Open group → 15Cron
Parse cron expressions field by field and find the next scheduled runs instantly.
Open group → 16Escape & Unescape
Escape and unescape HTML, JavaScript and URL strings so code stays code and data stays data.
Open group → 17Data Conversion
Convert JSON to YAML, JSON to XML and CSV to JSON — structured data reshaped without a server.
Open group → 18CSV & TSV
Parse and inspect delimited data, convert between CSV and TSV, and preview as clean tables.
Open group → 19SEO
The full suite: meta tags, schema markup, sitemaps, robots.txt, UTM links, SERP and social previews, audits.
Open group →How it works · every tool runs on JavaScript inside your browser tab · no code or payload ever leaves your device · no backend, no database, no logs · safe for production data · every group page lists its tools with live examples
Paste anything. We couldn't read it even if we wanted to.
Every one of these 94 tools runs entirely in your browser — payloads, tokens, configs and search data included. There is no backend to receive your input, no database to store it and no logs to audit. The moment you close the tab, everything is gone.
- Databasenull
- Backendnone
- Data uploads0
- Session logs0
Asked often, answered plainly.
Which developer tools does IrisTool offer?
94 tools across 19 groups: JSON, XML, HTML, CSS, JavaScript, URL, Base64, JWT, hashing, character encoding, color, timestamps, UUID, regex, cron, escape and unescape, data conversion, CSV and TSV — plus a full 35-tool SEO suite. Each group has its own page listing every tool in it.
Can I use these tools on confidential or production data?
Yes. Because nothing is ever transmitted, logged or stored, confidential payloads, configs and access tokens never leave your device. That's the whole point of the architecture: the code comes to your browser, your data never goes the other way.
Are the developer tools really free?
Yes. Every tool is free with no signup, no usage limits and no premium tier. All computation happens on your device, so there are no server costs to pass on to you.
Why is there no server at all?
Because the tools don't need one. Parsing JSON, hashing strings, encoding Base64 and testing regex are all things JavaScript can do in your tab faster than any round-trip to a server — and with no privacy risk.
Can I use these tools offline?
Once the page has loaded, every tool keeps working offline, because all the logic runs locally in your browser.