DailyTool

IT utilities. Zero install. Your browser only.

Format, encode, hash, calculate, and convert—built for developers, SREs, and support engineers who need answers now.

Featured apps

Deeper workflows that live as full DailyTool products.

IT toolkit

0 browser-native utilities—no accounts, no uploads to a server.

Why DailyTool ranks with IT teams

A private, install-free toolkit for the jobs you repeat every day—debugging payloads, checking networks, and generating test data.

Private by design

Utilities run locally in your browser. Paste logs, tokens, and configs without shipping them to a random online tool server.

Built for search-to-solution speed

Land on JSON Formatter, JWT Decoder, Subnet Calculator, or Cron Explainer and get an answer in seconds—with sample data on every tool.

One catalog, fewer bookmarks

Replace a messy folder of one-off sites with 100+ formatters, encoders, generators, converters, and ops helpers in one brand.

Frequently asked questions

Quick answers for developers and IT teams evaluating DailyTool.

Is DailyTool free to use?

Yes. The in-browser toolkit is free—no account required to format, encode, convert, or generate.

Do you upload my data?

No. DailyTool utilities process input in your browser. We do not run a server-side processor for the text or files you paste into these tools.

What tools are included?

JSON/XML/SQL formatters, Base64/JWT/HMAC helpers, UUID/ULID generators, subnet and cron tools, regex tester, diff checker, and many more IT utilities.

Can I use DailyTool offline?

After the page loads, most tools continue to work without network access because processing is local to the browser.

All DailyTool utilities

JSON Formatter — Pretty-print, minify, and validate JSON.
XML Formatter — Indent and tidy XML for faster reading.
SQL Formatter — Basic SQL keyword casing and indentation.
CSS Beautify / Minify — Expand or compress CSS in one click.
Base64 Encode / Decode — Convert text to Base64 and back.
URL Encode / Decode — Percent-encode query strings and paths.
HTML Entities — Escape and unescape HTML entities.
JWT Decoder — Inspect header and payload of a JWT.
Hash Generator — SHA-1 / SHA-256 / SHA-512 digests in-browser.
Password Generator — Create strong random passwords.
UUID Generator — Generate UUID v4 values in bulk.
Lorem Ipsum — Placeholder paragraphs for UI mocks.
Random String — Custom charset random token builder.
Slug Generator — Turn titles into URL-safe slugs.
Unix Timestamp — Epoch ↔ human date conversion.
Number Base Converter — Binary, octal, decimal, hex.
Color Converter — HEX ↔ RGB ↔ HSL with live swatch.
Case Converter — camelCase, snake_case, kebab-case, and more.
Text Statistics — Words, characters, lines, and reading time.
Line Sort / Dedupe — Sort, reverse, and unique lines.
Diff Checker — Compare two text blocks line by line.
Regex Tester — Test patterns with live match highlighting.
Markdown Preview — Lightweight Markdown → HTML preview.
Cron Explainer — Translate 5-field cron into plain English.
IP Subnet Calculator — CIDR network, broadcast, and host range.
Query String Parser — Parse and build URL query parameters.
User-Agent Parser — Break down browser UA strings.
Hex ↔ ASCII — Convert between hex dumps and text.
JS String Escape — Escape / unescape JavaScript string literals.
Image → Base64 — Convert an image file to a data URI.
MIME Type Lookup — Guess MIME type from a file extension.
JSON ↔ YAML — Convert between JSON and simple YAML.
HTTP Status Codes — Look up common HTTP status meanings.
Common Ports Reference — Quick reference for well-known TCP ports.
File Checksum — SHA-256 hash of a local file in-browser.
Whitespace Cleaner — Trim, collapse spaces, normalize newlines.
JSON Key Explorer — List all keys/paths in a JSON document.
Byte Size Converter — B / KB / MB / GB / TB conversion.
Timezone Converter — Convert a datetime across common zones.
Empty / Sample Data — Sample emails, IPs, MACs, and more.
JSON ↔ CSV — Convert JSON arrays to CSV and back.
HTML Beautify — Indent messy HTML for readability.
JS Beautify / Minify — Light JavaScript indent and minify.
GraphQL Formatter — Indent GraphQL queries and mutations.
JSON Sort Keys — Recursively sort object keys.
JSON Flatten — Flatten nested JSON into dotted paths.
CSV Column Picker — Extract selected columns from CSV.
Strip HTML Tags — Remove tags and keep plain text.
Remove Empty Lines — Drop blank lines from text.
Add Line Numbers — Prefix each line with a number.
Prefix / Suffix Lines — Wrap every line with custom text.
Word Frequency — Count word occurrences in text.
String Reverse — Reverse characters or lines.
UTF-8 Byte Length — Count bytes vs characters for UTF-8.
ROT13 / Caesar — Classic rotate-cipher transforms.
Morse Code — Encode and decode Morse code.
Binary ↔ Text — Convert text to binary bits and back.
Unicode Escape — \uXXXX escape and unescape text.
Base64URL — URL-safe Base64 encode/decode.
URL Parser — Split a URL into protocol, host, path, query.
Cookie Parser — Parse Cookie header name/value pairs.
HTTP Header Parser — Turn raw headers into a readable map.
Basic Auth Header — Build Authorization: Basic … headers.
HMAC Generator — HMAC-SHA256 signatures in-browser.
Password Strength — Score password complexity locally.
JWT Builder (unsigned) — Build an unsigned JWT for testing.
ULID Generator — Generate sortable ULIDs.
Nano ID Generator — Generate compact URL-friendly IDs.
MAC Address Tool — Generate or validate MAC addresses.
Fake Identity — Mock name, email, and address for QA.
Luhn Checker — Validate numbers with the Luhn algorithm.
Chmod Calculator — Convert rwx permissions ↔ octal.
IPv6 Expand / Compress — Expand or compress IPv6 addresses.
DNS Record Types — Quick reference for common DNS types.
HTTP Methods Ref — GET, POST, PUT, PATCH, DELETE meanings.
.env Parser — Parse KEY=VALUE env files to JSON.
Hosts File Parser — Parse /etc/hosts style entries.
INI Parser — Convert simple INI files to JSON.
Cron Builder — Build a cron expression from fields.
SemVer Compare — Compare two semantic versions.
Excel Column Converter — Convert A ↔ 1, AA ↔ 27, and more.
Temperature Converter — Celsius, Fahrenheit, and Kelvin.
Percentage Calculator — Percent of, increase, and difference.
Aspect Ratio — Compute ratio and missing side length.
Color Contrast (WCAG) — Check text contrast ratios.
Regex Cheatsheet — Common regex tokens at a glance.
gitignore Snippets — Common .gitignore blocks for stacks.
robots.txt Builder — Create a basic robots.txt file.
Meta Tags Generator — Build basic SEO / social meta tags.
Markdown Table — Turn CSV/rows into a Markdown table.
List → HTML — Convert lines into ul/ol HTML lists.
SQL String Escape — Escape quotes for SQL string literals.
Shell Escape — Escape text for single-quoted shells.
Relative Time — Show how long ago a date was.
Business Days — Count weekdays between two dates.
UUID Validator — Check UUID format and version bits.
JSON Key Diff — Compare key sets between two JSON objects.
Duplicate Finder — Find repeated lines with counts.
Extract Emails — Pull email addresses out of text.
Extract URLs — Pull http(s) links out of text.
Extract IPs — Find IPv4 addresses in logs/text.
Log Timestamp Fix — Normalize common log date formats to ISO.
JWT Expiry Check — Read exp/iat from a JWT payload.
Tint / Shade Palette — Generate lighter/darker shades of a color.
Box Shadow CSS — Build a CSS box-shadow declaration.
cURL Builder — Compose a basic cURL command.
Random API Key — Generate opaque API keys / tokens.
YAML Validator (lite) — Validate simple YAML via the lite parser.
JSON Merge — Shallow-merge two JSON objects.
Text Wrap — Hard-wrap text to a column width.
Path Normalizer — Normalize slashes in file paths.
Query String Builder — Build a query string from JSON.
CSS Unit Converter — px ↔ rem with a base font size.
Roman Numerals — Convert integers ↔ Roman numerals.
Hash Compare — Compare two digests safely.
Webhook Secret Gen — Generate webhook signing secrets.