Free Online Tools

Popular tools

• Compress ImageReduce image file size by re-encoding at a chosen quality level, fully offline.
• Edit PDFMerge, split, rotate and reorder PDF pages locally in your browser.
• Color PickerVisually pick colors and copy HEX, RGB and HSL values instantly.
• Word CounterLive word, character, sentence, paragraph and reading-time counts.
• Base64 EncodeEncode text to base64, with accurate Unicode handling and decoding.
• Currency ConverterConvert between 30+ currencies with live ECB rates and offline fallback.
• Unit ConverterConvert across 12 unit categories with precision and a swap button.
• Online CalculatorEveryday arithmetic calculator with keyboard support and history.
• BMI CalculatorBMI in metric/imperial with category and healthy weight range.
• Password GeneratorSecure random passwords with configurable character sets and strength meter.

Image Tools

Compress, convert and edit images entirely in your browser - your files never leave your device.

• Compress ImageReduce image file size by re-encoding at a chosen quality level, fully offline.
• Convert ImageChange an image between JPG, PNG, WebP and GIF formats, locally in your browser.
• Edit ImageResize, crop, rotate, flip and filter images locally - no upload required.

Document Tools

Work with PDFs on-device: merge, split and rotate without uploading anything.

• Edit PDFMerge, split, rotate and reorder PDF pages locally in your browser.

General Tools

Time utilities for everyday use - world clocks, a stopwatch and a countdown timer.

• World ClockLive current time for multiple cities and time zones, side by side.
• Online StopwatchPrecision count-up stopwatch with laps, splits and pause/resume.
• Countdown TimerSet durations from seconds to hours with pause, reset and an alert when time is up.

Design Tools

Color and gradient helpers for designers and developers.

• Color PickerVisually pick colors and copy HEX, RGB and HSL values instantly.
• Gradient GeneratorBuild linear/radial CSS gradients with presets and one-click CSS output.

Text Tools

Count, transform and clean up text with a full suite of quick utilities.

• Word CounterLive word, character, sentence, paragraph and reading-time counts.
• Character CounterInstant character counts (with and without spaces) plus letter/digit breakdown.
• Case ConverterSwitch text between upper, lower, title, sentence, camel, snake and kebab case.
• Title CapitalizationProper Title Case conversion following AP, Chicago and MLA editorial rules.
• Duplicate Lines RemoverDeduplicate lines from any text, with blank-line and sorting options.
• Line Break RemoverRemove line breaks and join text into single lines or clean paragraphs.
• Find and ReplaceFind and replace with regex, case matching and whole-word options.
• Slug GeneratorConvert text into SEO-friendly URL slugs with configurable separators.

Encoder / Decoder

Encode and decode text with Base64, HTML entities and URL encoding.

• Base64 EncodeEncode text to base64, with accurate Unicode handling and decoding.
• Base64 DecodeDecode base64 into readable Unicode text with clear validation errors.
• HTML EncodeEscape & < > " and ' into HTML entities for safe rendering.
• HTML DecodeUnescape HTML entities like &amp; and &lt; back into plain characters.
• URL EncodePercent-encode text for URLs, in component or full-URL mode.
• URL DecodeDecode percent-encoded text back into readable form, safely.

Code Tools

Minify HTML, CSS and JavaScript safely, with validation errors instead of silent corruption.

• HTML MinifierSafe HTML minification with comments/whitespace removal and validation.
• CSS MinifierStrip comments/whitespace from CSS with brace-balance validation.
• JavaScript MinifierSafe JS whitespace/comment removal with syntax-guard checks.

Converters

Convert currencies, units and time zones with real, useful options.

• Currency ConverterConvert between 30+ currencies with live ECB rates and offline fallback.
• Unit ConverterConvert across 12 unit categories with precision and a swap button.
• Time Zone ConverterConvert dates/times between any zones with a multi-zone comparison grid.

Calculators

Everyday mathematics, health and finance calculators.

• Online CalculatorEveryday arithmetic calculator with keyboard support and history.
• Percentage CalculatorCalculate percent of a number, ratios and percentage change instantly.
• Age CalculatorExact age in years/months/days plus days until next birthday.
• BMI CalculatorBMI in metric/imperial with category and healthy weight range.
• Interest CalculatorSimple and compound interest with a full year-by-year schedule.
• GPA CalculatorCredit-weighted GPA on 4.0/5.0 scales with per-course detail.
• PayPal Fee CalculatorCompute PayPal fees, net receipts and the charge needed to net a target.

Generators

Generate random numbers, passwords, names, config files and more.

• Random Number GeneratorRandom numbers with range, count, decimal, unique and sort controls.
• Random Username GeneratorUnique usernames from word combos with numbers and separators.
• Random Name GeneratorRandom full/first/last names for characters and test data.
• Lorem Ipsum GeneratorLorem ipsum filler text with paragraph, sentence and word modes.
• Password GeneratorSecure random passwords with configurable character sets and strength meter.
• UUID GeneratorUUID v4 generation with hyphen, case, braces and CSV formatting.
• robots.txt GeneratorGenerate robots.txt with rules, sitemap and crawl settings.
• .htaccess GeneratorBuild Apache .htaccess rules: redirects, caching, security headers.

Network Tools

Look up IP addresses, DNS records, WHOIS data and website status.

• IP Address LookupFind your public IP or any IP's geolocation, ISP and ASN details.
• User Agent LookupIdentify browser, OS, engine and device from any UA string.
• WHOIS LookupDomain registration details (registrar, dates, nameservers) via RDAP.
• HTTP Status CheckerReturned HTTP status, timing and redirects for any URL.
• DNS LookupResolve DNS records (A, AAAA, MX, NS, TXT, SOA…) via DNS-over-HTTPS.
• MX LookupMail server (MX) records for any domain, with priorities and TTLs.
• Ping TestBrowser-based latency test with min/avg/max times and loss rate.