All Tools
Free Online Utility Tools
Use fast, free online utility tools for Base64 conversion, regex testing, JSON formatting, public IP lookup, and word count on util.work.
Available Utility Tools
- base64Encoding
Base64 Encoder and Decoder
Encode plain text to Base64 or decode Base64 back to readable text in your browser.
Instant encode/decodeUseful examples and quick checks - regexText Parsing
Regex Tester and Match Inspector
Test regular expressions with flag controls and inspect match results against sample text.
Flags toggle supportLive match preview - jsonData Tools
JSON Formatter, Validator, and Converter
Format, validate, and convert JSON in one workspace for API payload debugging.
Pretty print and minifyValidation with conversion helpers - myipNetwork
Public IP and Latency Check
Check your public IP address, ISP and approximate location, plus browser-measured latency.
Public IP with provider detailsLatency checks to major services - wordcountText Parsing
Word Count and Text Analyzer
Count words, characters, sentences, and reading time, with platform limit checks for posts and metadata.
Word and character countsPlatform limit indicators - jwtEncoding
JWT Decoder and Inspector
Decode JSON Web Tokens to inspect the header, payload, and signature with human-readable timestamps and expiration status.
Header and payload decoded in your browserHuman-readable iat, nbf, and exp timestamps - timeDate and Time
Unix Timestamp and Date Converter
Convert between Unix timestamps and human-readable dates, with timezone support and live current time.
Unix epoch ↔ UTC, ISO 8601, and local timePer-timezone display with live updating now - urlEncoding
URL Encoder, Decoder, and Parser
Percent-encode and decode URLs and inspect the parts of a URL including query parameters in your browser.
encodeURIComponent and encodeURI behaviorQuery string broken down into a parameter table - hashSecurity
Hash Generator (SHA-1, SHA-256, SHA-384, SHA-512)
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text using the Web Crypto API in your browser.
SHA-1, SHA-256, SHA-384, and SHA-512 in one viewComputed locally with Web Crypto - uuidIdentifiers
UUID Generator (v4 and v7)
Generate UUID v4 (random) and UUID v7 (time-ordered) values in bulk and copy them in one click.
UUID v4 and v7 in your browserBulk generation with copy - yamlData Tools
YAML and JSON Converter
Convert between YAML and JSON in your browser for config files, Helm charts, and CI pipelines.
YAML ↔ JSON in one workspaceValidation with error messages - diffText Parsing
Text Diff Viewer
Compare two text snippets line by line and inspect added, removed, and unchanged lines side by side.
Line-by-line text comparisonInline added and removed markers - caseText Parsing
Case Converter
Convert text between camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, and more.
camelCase, snake_case, kebab-case, and moreAll variants generated at once - csvData Tools
CSV Viewer and CSV ↔ JSON Converter
Preview CSV as a table, convert CSV to JSON, and convert JSON back to CSV in your browser.
CSV table previewCSV ↔ JSON conversion - passwordSecurity
Password Generator with Entropy
Generate strong random passwords with configurable length and character sets and see the entropy in bits.
Configurable length and character setsEntropy estimate in bits - qrEncoding
QR Code Generator
Generate QR codes from text, URLs, and other content directly in your browser without uploading anything.
QR codes generated in your browserAdjustable size and error correction - colorDesign
Color Converter (HEX, RGB, HSL)
Convert colors between HEX, RGB, and HSL and check WCAG contrast ratios against a background color.
HEX ↔ RGB ↔ HSL conversionContrast ratio with WCAG levels - cronDate and Time
Cron Expression Explainer
Read a cron expression in plain English and preview the next upcoming run times in your timezone.
Plain-English descriptionNext 5 upcoming runs - htmlEncoding
HTML Entity Encoder and Decoder
Encode special characters as HTML entities and decode entities back to their original characters.
Encode reserved HTML charactersDecode named and numeric entities - html2textText Parsing
HTML to Plain Text Converter
Strip HTML tags from a snippet and convert it to readable plain text in your browser.
Tags removed locallyWhitespace normalized - mdText Parsing
Markdown ↔ HTML Converter
Convert Markdown to HTML with a live preview, or convert HTML back to Markdown.
Live previewTwo-way conversion - numberDeveloper
Number Base and Bit Inspector
Convert between binary, octal, decimal, and hex, and view the IEEE 754 representation of a float.
Bin / Oct / Dec / HexFloat bit representation - escapeEncoding
String Escape for JSON, JS, Java, C, Python, SQL, Shell
Escape and unescape strings for safe embedding in code across many languages.
Multiple language targetsTwo-way escape/unescape - emojiReference
Emoji Search and Codepoint Reference
Search emoji by keyword and copy the symbol, codepoint, or HTML/Slack code.
Keyword searchCodepoints and platform codes - pdfMedia
PDF Split, Merge, and Inspector
Split, merge, and extract pages from PDFs in your browser without uploading.
Split and merge locallyPer-page extraction - mimeReference
MIME Type and Extension Reference
Look up MIME types for file extensions and the other way around.
Extension ↔ MIMECommon categories - asciiartText Parsing
ASCII Art Banner Generator
Generate ASCII art banners from text in a variety of FIGlet fonts.
Multiple fontsPlain monospace output - spellingText Parsing
Spelling and Text Statistics
Inspect detailed text statistics, sentence length, and spacing for clean writing.
Sentence and word statsWhitespace and case checks - unitReference
Unit Converter
Convert between units of length, weight, temperature, speed, time, and data size.
Many unit familiesSingle input field - httpReference
HTTP Status Code and Header Reference
Look up HTTP status codes and common response headers with short explanations.
All standard status codesCommon header meanings - useragentNetwork
User-Agent Parser
Parse a User-Agent string into browser, engine, OS, and device fields.
Browser/OS/device fieldsYour current UA pre-filled - ulidIdentifiers
ULID and NanoID Generator
Generate ULIDs and NanoIDs in your browser for time-sortable and short identifiers.
ULID and NanoIDBulk generation - mjsonData Tools
NDJSON / JSON Lines Viewer
Inspect newline-delimited JSON, validate each line, and preview as a table.
Per-line validationTable preview - jsonpathData Tools
JSONPath Query Tester
Run JSONPath queries against JSON in your browser and inspect the matches.
Live query evaluationMatch list view - html-tableData Tools
HTML Table ↔ CSV ↔ Markdown
Convert tables between HTML, CSV, and Markdown formats in your browser.
Three-way table conversionCell-level editing - tzDate and Time
Timezone Compare
Compare the current time across multiple timezones at a glance.
Multiple zones at onceLive updating - crontabDate and Time
Crontab File Validator
Validate every line of a crontab file and explain each schedule in plain English.
Per-line validationPlain-English schedules - base32Encoding
Base32 and Hex Encoder
Encode and decode text using Base32 and hex representations in your browser.
Base32 and hexTwo-way conversion - diffjsonData Tools
JSON Structural Diff
Compare two JSON values structurally and highlight added, removed, and changed keys.
Structural comparePer-key change highlighting - faviconMedia
Favicon Set Generator
Turn a square image into a complete favicon set including standard PNG sizes.
Multiple PNG sizesGenerated locally - httpheadersNetwork
Response Header Inspector
Fetch and inspect HTTP response headers for any URL through a server-side proxy.
CORS, CSP, HSTS at a glanceServer-side fetch - dnsNetwork
DNS Lookup
Look up A, AAAA, MX, TXT, NS, and CNAME records using DNS-over-HTTPS.
Multiple record typesDoH-based, no CLI required - whoisNetwork
Domain Whois Lookup
Look up registration details for a domain through a server-side whois proxy.
Registrar, dates, name serversServer-side query - ipNetwork
Any IP Lookup
Look up the geolocation, ASN, and ISP of any IPv4 or IPv6 address.
Any IPv4 or IPv6ASN and ISP details - sslNetwork
TLS Certificate Inspector
Inspect a website's TLS certificate, expiry, issuer, and SAN list.
Expiry and issuerSAN list and chain