Tool index

Next step: RobotsCreate crawl directives and a crawl policy report for a public site.Next step: Meta TagsGenerate SEO and social sharing tags with a crawler report

Robots.txt Generator

Generate robots.txt rules with sitemap controls and a copyable crawl report.

Create crawl directives and a crawl policy report for a public site.Robots.txt Generator for seo workflowsAllow all with sitemap

Next step: SitemapTurn a canonical URL list into sitemap XML plus a discovery submission report.Next step: Meta TagsGenerate SEO and social sharing tags with a crawler report

Meta Tag Generator

Create title, description, canonical, Open Graph, X card tags, and a copyable crawler report for web pages.

Generate SEO and social sharing tags with a crawler reportCreate canonical and robots tagsCompare user-declared canonical tags with duplicate indexing reason rows

Next step: OG PreviewPreview how a shared page card might read and copy a crawler QA report.Next step: RobotsCreate crawl directives and a crawl policy report for a public site.

Open Graph Preview

Preview Open Graph title, description, URL, image, robots policy, and a copyable crawler report.

Preview how a shared page card might read and copy a crawler QA report.Open Graph Preview for seo workflowsTitle, description, image URL

Next step: Meta TagsGenerate SEO and social sharing tags with a crawler report Next step: FaviconCreate a lightweight SVG favicon for prototypes.

URL Parser

Break URLs into protocol, host, pathname, query params, hash, origin, clean URL, and a canonical report.

Inspect redirects, callback URLs, query parameters, duplicate canonical reasons, and copy a canonical review report.URL Parser for web workflowshttps://example.com/tools?q=json#top

Next step: URLEncode values before nesting them inside query strings.Next step: HTTPInspect status codes and response headers

JWT Decoder

Decode JWT header and payload segments locally, compare expected claims, and copy an auth handoff report.

Decode JWT header and payload segments while debugging API authenticationCheck exp, iat, nbf, iss, aud, scope, and subject claims before sharing a tokenCompare expected issuer, audience, and scope values against a copied API token

Next step: Base64Decode copied Base64 payloads from logs Next step: TimestampPaste Unix seconds, milliseconds, or an ISO string.

HTTP

Check HTTP status, request-profile reachability, redirect diagnostics, final URL, response headers, pasted header blocks, CSP drafts, and a copyable public URL report.

Network

DNS

Look up public DNS records, inspect A/AAAA, CNAME, MX, TXT, SPF, DMARC, and NS signals, and copy a deployment report.

Network

Sitemap

Generate XML sitemap entries and a copyable search discovery report from public URLs.

Robots

Generate robots.txt rules with sitemap controls and a copyable crawl report.

Meta Tags

Create title, description, canonical, Open Graph, X card tags, and a copyable crawler report for web pages.

OG Preview

Preview Open Graph title, description, URL, image, robots policy, and a copyable crawler report.

URL Parse

Break URLs into protocol, host, pathname, query params, hash, origin, clean URL, and a canonical report.

Web

JWT

Decode JWT header and payload segments locally, compare expected claims, and copy an auth handoff report.

Security

JSON

Format, minify, validate, inspect, and copy a safe API response report for JSON payloads without sending them to a server.

Base64

Encode, decode, inspect, and copy a safe payload report for Base64, Base64URL, image data URLs, JSON payloads, and JWT segments locally in the browser.

Bobob is funlaunch daytiny tools

SQL

Format SQL queries for readable reviews and debugging.

Code

Hash

Generate MD5, SHA-1, SHA-256, SHA-512, HMAC signatures, and a safe signature report locally.

Security

Creative text

Copy-paste art studio

Build fancy text, kaomoji, emoji combos, bios, ASCII banners, and dot art without leaving the browser.

9 Tools

Start here

Fancy Text Generator

Convert plain words into fullwidth, bold Unicode, monospace, circled, and small-caps text for bios, captions, and profile names.

Bio BuilderDraft a cute profile bio from a name, tagline, and vibe.

Emoji ComboGenerate short emoji-symbol lines for captions and comments.

KaomojiCreate a quick kaomoji for chat, comments, or profile text.

Meme TextTurn a normal sentence into mocking case for a joke.

Upside DownCreate a playful upside-down caption or message.

SymbolsBuild copy-ready symbol sets for bios, docs, comments, and labels.

ASCII ArtGenerate short ASCII banners for comments, readme sections, release notes, and profile text.

Dot ArtDraw small heart, smile, arrow, and badge shapes for bios, comments, and lightweight docs.

Web operations workbench

Review deploy, search discovery, security-header, token, and API response signals without turning the site into a generic utility shelf.

Browser local

Format an API response

Clean a pasted JSON payload, inspect paths, then create types or schema checks.

Review a SQL query

Format a query, copy the SQL review report, then compare or inspect result payloads before handoff.

Review a JavaScript snippet

Format a snippet, copy the JavaScript review report, then minify or inspect API payloads before handoff.

Extract a JSON field

Format the payload, test a path with wildcards or recursive keys, then keep the shape for code.

Decode an API token

Inspect JWT claims, check time fields, and compare encoded segments safely.

Debug a redirect

Check status, final URL, DNS target, and social preview signals in one path.

Check search discovery readiness

Check final status, sitemap URLs, robots rules, canonical/meta signals, and URL shape before a Search Console or webmaster submission.

6 Tools

Diagnose a not-indexed URL

When Search Console says crawled or discovered but not indexed, check the final response, sitemap evidence, robots rules, metadata, and canonical shape before waiting for the next report refresh.

5 Tools

Inspect an image data URL

Preview Base64 image data, confirm the MIME type, then check presentation contrast before sharing.

Check color accessibility

Convert foreground/background colors, copy a WCAG contrast report, then review CSS tokens and visual assets before release.

Review a CSS snippet

Format a CSS snippet, copy the CSS review report, then check minification and color contrast before handoff.

Check a DNS deployment

Verify records, HTTP reachability, sitemap exposure, and robots rules after a domain change.

Create a Wi-Fi QR

Generate a compatible network password, build the Wi-Fi payload, copy a scan report, and check contrast before sharing.

Create a safe password handoff

Generate a password or passphrase, copy a report without the secret value, then choose tokens and hashes deliberately.

Generate a secure token

Create random session/API/CSRF values, copy a safe token report, compare hashes, and choose identifiers deliberately.

Verify a webhook signature

Generate the HMAC output, copy a safe signature report, and inspect payload shape or encoding before changing webhook code.

Review security headers

Check response headers, draft a CSP, then confirm the URL and DNS target are the site you meant to protect.

Review a cron schedule

Break down the five fields, copy a schedule report, compare time zones, and check job-log timestamps.

Validate deploy config

Validate YAML or Compose structure, inspect environment values, then format JSON config fragments before shipping.

Clean CSV for API use

Trim CSV rows, remove duplicates, convert to JSON, and make a quick Markdown table for review.

Create copy-paste text art

Pick symbols, generate a short ASCII banner, then draw compact dot art for bios, comments, and docs.

Next step: DNSInspect public A and AAAA records for deployment readiness Next step: SitemapTurn a canonical URL list into sitemap XML plus a discovery submission report.Next step: RobotsCreate crawl directives and a crawl policy report for a public site.

Decorate a social profile

Draft a compact bio, add fancy Unicode text, then finish with emoji and kaomoji accents that still fit mobile profile fields.

5 Tools

Make playful comment text

Turn plain text into alternating meme case, upside-down text, or compact symbol-wrapped comments that are easy to copy.

4 Tools

Related tools

Useful next steps

Tools

HTTP Status Checker

Check HTTP status, request-profile reachability, redirect diagnostics, final URL, response headers, pasted header blocks, CSP drafts, and a copyable public URL report.

Network

Meta Tag Generator

Create title, description, canonical, Open Graph, X card tags, and a copyable crawler report for web pages.

Next step: OG PreviewPreview how a shared page card might read and copy a crawler QA report.Next step: URL ParseInspect redirects, callback URLs, query parameters, duplicate canonical reasons, and copy a canonical review report.Next step: FaviconCreate a lightweight SVG favicon for prototypes.

JSON Formatter

Format, minify, validate, inspect, and copy a safe API response report for JSON payloads without sending them to a server.

Next step: JSON EscapeEscape text for JSON string values or unescape copied JSON string content.Next step: JSON TSGenerate starter interfaces from example API responses.Next step: SchemaCheck required fields and primitive types in test payloads.

YAML Validator

Validate YAML syntax, format YAML, and inspect Docker Compose services for config, CI, and documentation files.

Next step: ENV CheckValidate .env snippets and copy a raw-value-free deployment report before moving values into hosting or CI settings.Next step: YAML JSONConvert configuration snippets between YAML and JSON.Next step: JSONFormat compact API responses before copying them into code or docs

JWT Decoder

Decode JWT header and payload segments locally, compare expected claims, and copy an auth handoff report.

Security

Next step: TimestampPaste Unix seconds, milliseconds, or an ISO string.Next step: Base64Decode copied Base64 payloads from logs Next step: HashGenerate repeatable hashes for checksums and debugging

Color Converter

Convert HEX, RGB, and HSL colors and inspect WCAG AA/AAA contrast diagnostics.

Color

Next step: CSSReview copied CSS snippets before sharing.Next step: CSS UnitConvert spacing and typography values between common CSS units.Next step: ClampGenerate fluid CSS values with min and max bounds.

UUID Generator

Generate UUID v4 values in bulk for fixtures, traces, and test data.

Code

Next step: PasswordCreate local test credentials or temporary account secrets Next step: QR CodeCreate QR PNGs for public URLs Next step: TokenGenerate local session or refresh tokens

Regex Tester

Test JavaScript regular expressions, inspect matches, and keep common patterns close by.

Code

Next step: JSFormat pasted JavaScript before reviewing it.Next step: SQLPretty-print compact SQL and copy a query review report before running it.Next step: DiffPaste two versions to see added and removed lines or words.

Code

11 Tools

regex testerregular expression testerjavascript regex

Regex Tester

Test JavaScript regular expressions, inspect matches, and keep common patterns close by.

uuid generatoruuid v4random uuid

UUID Generator

Generate UUID v4 values in bulk for fixtures, traces, and test data.

sql formatterformat sqlsql beautifier

SQL Formatter

Format SQL queries for readable reviews and debugging.

json to typescriptjson to interfacetypescript interface generator

JSON to TypeScript

Infer TypeScript interfaces from sample JSON objects.

css formattercss beautifierformat css

CSS Formatter

Format CSS rules and inspect selectors, at-rules, custom properties, color tokens, and minified size.

css minifierminify csscompress css

CSS Minifier

Minify CSS and review compression ratio, comment removal, selector risk, and token counts.

javascript formatterjs formatterformat javascript

JavaScript Formatter

Format JavaScript snippets and inspect functions, imports, exports, async usage, browser APIs, and copy risks.

javascript minifierjs minifierminify javascript

JavaScript Minifier

Minify JavaScript snippets and review compression ratio, comment removal, browser APIs, fetch calls, and console logs.

ulid generatorsortable id generatorunique id generator

ULID Generator

Generate sortable ULID identifiers for logs, fixtures, and test records.

css unit converterpx to remrem to px

CSS Unit Converter

Convert px, rem, em, and percent values for CSS layout calculations.

css clamp generatorfluid typographyresponsive font size

CSS Clamp Generator

Generate CSS clamp() expressions for responsive font sizes and spacing.

Time

3 Tools

TimeBrowser local

Cron Expression Generator

Build, explain, preview, and copy a safe schedule report for five-field cron expressions.

cron generatorcron expressioncrontab examples

TimeBrowser local

Timestamp Converter

Convert Unix timestamps, milliseconds, and ISO strings into readable dates.

timestamp converterunix timestampepoch converter

TimeBrowser local

Timezone Converter

Compare a date and time across common IANA time zones.

timezone convertertime zone converterutc converter

SEO

5 Tools

meta tag generatorseo meta tagsopen graph generator

Meta Tag Generator

Create title, description, canonical, Open Graph, X card tags, and a copyable crawler report for web pages.

robots.txt generatorrobots txtgenerate robots.txt

Robots.txt Generator

Generate robots.txt rules with sitemap controls and a copyable crawl report.

sitemap generatorxml sitemapgenerate sitemap

Sitemap Generator

Generate XML sitemap entries and a copyable search discovery report from public URLs.

open graph previewog previewsocial preview

Open Graph Preview

Preview Open Graph title, description, URL, image, robots policy, and a copyable crawler report.

favicon generatorsvg favicongenerate favicon

Favicon Generator

Generate a simple SVG favicon and HTML link tags from text and colors.

Web

8 Tools

iframe viewerresponsive previewiframe generator

Iframe Viewer

Preview URLs inside common viewport frames and copy basic iframe markup.

url encoderurl decoderencodeURIComponent

URL Encoder

Encode and decode URL components for query strings, redirects, and callbacks.

html entity encoderhtml entity decoderescape html

HTML Entity Converter

Encode and decode HTML entities for snippets, docs, and templates.

qr code generatorqr generatorwifi qr code

QR Code Generator

Generate downloadable QR codes with URL, Wi-Fi, email, and vCard payload builders plus scan diagnostics and a safe scan report.

html formatterhtml beautifierformat html

HTML Formatter

Beautify compact HTML snippets for templates and documentation.

url parserparse urlquery string parser

URL Parser

Break URLs into protocol, host, pathname, query params, hash, origin, clean URL, and a canonical report.

mime type lookupcontent type lookupfile mime type

MIME Type Lookup

Look up common MIME types by file extension or content type.

user agent parserparse user agentbrowser detector

User-Agent Parser

Parse browser, OS, engine, and device hints from a user-agent string.

Text

7 Tools

lorem ipsum generatorplaceholder textdummy text generator

Lorem Ipsum Generator

Generate placeholder copy for product mocks, forms, cards, and content layouts.

text diffdiff checkercompare text

Text Diff

Compare two text blocks with line or word level differences.

case convertercamel case convertersnake case converter

Case Converter

Convert text between lower, upper, title, camel, pascal, snake, and kebab case.

slug generatorurl slugslugify

Slug Generator

Create URL-safe slugs from titles, labels, and filenames.

markdown previewermarkdown editorpreview markdown

Markdown Previewer

Preview Markdown text and generate Markdown tables from CSV, TSV, or pipe-separated rows.

sort linesremove duplicate linesdedupe text

Text Sort and Dedupe

Sort lines, remove duplicates, trim blanks, and normalize pasted lists.

word countercharacter counterline counter

Word Character Counter

Count characters, words, lines, bytes, and estimated reading time.

Data

10 Tools

json formatterjson validatorjson beautifier

JSON Formatter

Format, minify, validate, inspect, and copy a safe API response report for JSON payloads without sending them to a server.

json escapejson unescapeescape json string

JSON Escape Unescape

Escape and unescape JSON string content for logs, fixtures, and embedded payloads.

base64 encoderbase64 decoderdecode base64

Base64 Encoder Decoder

Encode, decode, inspect, and copy a safe payload report for Base64, Base64URL, image data URLs, JSON payloads, and JWT segments locally in the browser.

yaml to jsonjson to yamlyaml json converter

YAML JSON Converter

Convert YAML to JSON and JSON to YAML for config and API workflows.

yaml validatorvalidate yamlyaml checker

YAML Validator

Validate YAML syntax, format YAML, and inspect Docker Compose services for config, CI, and documentation files.

env parserdotenv validator.env validator

ENV Parser Validator

Parse .env files, detect duplicate or invalid variables, and copy a deployment ENV report without raw values.

xml formatterxml beautifierxml minifier

XML Formatter

Format and minify XML strings in the browser.

csv to jsonjson to csvcsv json converter

CSV JSON Converter

Convert CSV rows to JSON arrays, JSON arrays back to CSV, and clean messy spreadsheet exports.

json schema validatorvalidate json schemajson schema online

JSON Schema Validator

Validate JSON values against simple JSON Schema object rules.

jsonpath testerjson path evaluatorjson path extractor

JSONPath Tester

Evaluate JSONPath selectors, wildcards, and recursive key searches against JSON payloads.

Security

4 Tools

jwt decoderjwt token decoderdecode jwt

JWT Decoder

Decode JWT header and payload segments locally, compare expected claims, and copy an auth handoff report.

hash generatorsha256 generatorsha256 checksum report

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512, HMAC signatures, and a safe signature report locally.

password generatorstrong passwordrandom password

Password Generator

Generate strong random passwords or memorable passphrases with a safe handoff report.