Free online stopwatch with millisecond precision, lap/split timing, lap statistics, CSV export, and fullscreen mode. No signup, no ads. Works offline.

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Study Planner - Exam Schedule Generator

Free study planner. Add subjects with priority, set exam date, get 7-day schedule with subject rotation, Pomodoro breaks, iCal export. No signup.

Subnet Calculator - IPv4 IPv6 CIDR VLSM Supernetting

Free subnet calculator for IPv4 and IPv6. Bit-exact CIDR, VLSM, supernetting, overlap detection. No signup. AI cannot reliably compute subnets - we do.

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Subtitle Editor - Free Online SRT & VTT Editor

Free online subtitle editor. Edit, fix and convert SRT and VTT files in your browser. Batch shift timing, validate overlaps, split long cues.

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Subtitle Generator - Free AI Audio/Video to SRT & VTT

Free AI subtitle generator. Convert audio or video to SRT or VTT with Whisper large-v3 timestamps. 18 languages, no signup, no watermark.

Sunrise Sunset Calculator - Find Sunrise & Sunset Times

Free sunrise and sunset calculator for any city. Today, tomorrow or any date, plus golden hour, twilight and day length. Works offline, no signup.

SVG Optimizer - Free Online SVG Minifier & Cleaner

Free online SVG optimizer. Clean, minify and compress SVG files. Remove metadata, comments, empty groups, editor data. No upload, 100% private browser.

SVG to JSX Converter - Free React Component Generator

Convert SVG to React JSX component online free. Paste SVG code, get clean React/TypeScript components with camelCase attributes, forwardRef, memo. 100%.

SVG to PNG Converter - Free Online SVG Rasterizer

Convert SVG to PNG free online. Rasterize vector graphics to PNG, JPG, WebP with custom dimensions, scale control, background color. 100% browser-based.

Table of Contents Generator - Free TOC Maker for MD HTML TXT

Free table of contents generator. Extract headings from Markdown, HTML, or plain text and export a structured TOC as Markdown, HTML, JSON, or YAML.

TDEE Calculator - BMR, Macro, Protein, Water, 1RM

Free TDEE calculator. 6 modes in one: BMR (3 formulas), macro split (5 diets), protein target, water intake, and 1 rep max. kg/lb toggle. No signup.

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Text Cleaner - Remove Line Breaks, Spaces & HTML Tags

Free online text cleaner. Remove line breaks, extra spaces, HTML tags, duplicate lines, and clean messy text with 20+ deterministic options. No signup.

Text Summarizer - Condense Articles & Papers

Free online text summarizer. Condense articles, papers, and long text into key points. Extractive mode (private, no upload) or AI abstractive mode.

Text to EPUB Converter - Free Online TXT MD HTML to eBook

Free text to EPUB converter. Turn text, Markdown, or HTML into EPUB 3.0 eBooks in your browser. Custom cover, TOC, 40+ languages. AI cannot make EPUB.

Text to Handwriting - Free Online Handwritten Text Generator

Free text to handwriting converter. Turn typed text into realistic handwritten notes on lined, grid or plain paper. 18 fonts, 7 ink colors, PNG/JPG/PDF.

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Text to Speech - Free Online Voice Generator

Free online text to speech with 8 AI voices. Convert text to natural-sounding audio in English and Chinese. No signup required. Browser TTS and AI-powered.

Time Calculator - Free Hours Minutes Duration & Add Time

Free time calculator. Calculate duration between two times, add or subtract hours and minutes, hours-to-decimal converter, multi-period sum.

Timestamp Converter - Unix Time Conversion

Convert Unix timestamps to dates and dates back to timestamps, in seconds, milliseconds or ISO 8601. The current time ticks live. No signup required.

Tone Generator - Play Audio Frequency Notes

Free online tone generator. Play any audio frequency from 1 Hz to 20,000 Hz as pure waves, see the note name, or download a WAV. No signup.

Unit Converter - Length, Weight, Temperature and More

Free online unit converter. Convert between length, weight, temperature, volume, speed, area, data, time, and pressure units instantly. No signup required.

URL Encoder/Decoder - Encode URLs Safely

Free URL encoder and decoder. Percent-encode special characters or decode them back, with a live character reference and one-click copy. No signup.

URL Metadata Extractor - Link Preview and Meta Tags

Free URL metadata extractor and link preview tool. Extract OG tags, Twitter cards, JSON-LD, SEO meta, and headings from any URL. See how your link looks.

User Agent Parser - Browser OS Device Detection Online

Free online User Agent parser. Identify browser, OS, device, and bot from any UA string. Detect Googlebot, GPTBot. 100% private, no upload.

UTM Builder - Free Campaign URL Generator with Presets

Free UTM builder. Generate campaign tracking URLs with platform presets for Google Ads, Facebook, LinkedIn, and more. Auto-format, parameter breakdown.

UUID Generator - UUID v1 v4 v7 Generator

Generate UUID v1, v4 and v7 identifiers, single or in bulk up to 100 at a time. Uppercase, hyphen and no-hyphen formats. Private, free, no signup.

Video Compressor - Hit Any Size Target

Free online video compressor. Hit an exact target size, 10 MB for Discord or 25 MB for email. No upload, no watermark. Runs fully in your browser.

Video Cutter - Trim & Cut Video Online Free

Free online video cutter. Trim, cut, and split MP4, WebM, MOV video files in your browser. No upload, 100% private. Powered by FFmpeg.wasm.

Video to Audio Converter - Extract MP3 from Video Free

Free online video to audio converter. Extract MP3 audio from MP4, WebM, MOV, AVI files. No upload, 100% private, in-browser processing.

Video to GIF Converter - Free Online MP4 to GIF Maker

Free online video to GIF converter. Convert MP4, WebM and MOV to animated GIFs with custom FPS, resolution and trim. No upload, 100% private.

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VIN Decoder - Free VIN Check Digit Validator & Lookup

Free VIN decoder and check digit validator. Verify ISO 3779 check digits, decode model year, and look up specs from the NHTSA database. 100% private.

Virtual Piano - Play Online Keyboard Free

Free virtual piano you can play right in your browser. Use your computer keyboard or mouse, record and download WAV, follow along with 6 songs.

Vocal Remover - Remove Vocals from Songs Free

Free online vocal remover. Strip vocals from any song to make karaoke or instrumental versions. MP3, WAV, M4A, OGG, FLAC. 100% private, no upload.

Voice Changer - Free Online Audio Voice Effects

Free voice changer with 10 presets (chipmunk, deep, robot, alien, female, male, old, telephone). Custom pitch and speed. 100% private, no upload.

Voice Recorder - Free Online Audio Recorder

Free online voice recorder. Record audio from your microphone in the browser. Live waveform, pause/resume, save as MP3 or WAV. No upload, 100% private.

Weather Forecast - Live 7-Day Forecast and Charts

Free weather forecast tool. See current weather, 7-day forecast, hourly details. AI cannot show real-time weather with visual charts.

Webcam Test - Free Online Camera & Mic Tester

Free online webcam test. Test your camera, microphone, speakers and screen in one place. Live preview, VU meter, FFT spectrum and channel tests.

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What Day Is It? - Today's Date & Day of Week

What day is it today? Free online date calculator. Today's date in 8 formats, day of year, week number, days between dates, add/subtract days. No signup.

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What Holiday Is Today? - Daily Holiday Checker

Free daily holiday checker. Find public, bank, optional, and observance holidays for any date in 100+ countries. No signup required.

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What Should I Watch Tonight? - Free Movie Night Picker

Free movie night picker with curated database of popular movies. Filter by genre, year, runtime, mood, streaming. Stop scrolling, start watching.

What Time Is It? - World Clock & Current Time

What time is it? Free online world clock shows current time anywhere. Live analog & digital clocks with multiple timezones. No signup, no ads.

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WHOIS Lookup - Free Domain Ownership Checker

Free WHOIS lookup. Registration dates, registrar, owner, name servers and expiry for any TLD, plus live DNS records. No account, no signup.

Word Cloud Generator - Free Tag Cloud Maker

Free word cloud generator. Turn any text into a weighted tag cloud with shapes, colors and fonts. PNG & SVG export. 100% private, no signup.

Word Counter - Count Words & Readability

Free word counter. Count words, characters, sentences and reading time, with keyword density and SEO readability. Private, handles large documents.

Word Search Maker - Free Printable Puzzle Generator

Free word search maker. Turn any word list into a printable puzzle in seconds with answer key and PNG/PDF export. 100% private, no signup, no ads.

Word to PDF Converter - Free Online DOCX to PDF

Free online Word to PDF converter. Convert DOCX files to PDF directly in your browser. Preserves formatting, fonts, tables, and images. No upload, 100%.

Wordle - Free Daily Word Puzzle Game Online

Play free daily Wordle. 6 tries to guess the 5-letter word. Daily word, stats tracking, streak counter, share as emoji grid. No signup, no ads.

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Wordle Helper - Free Wordle Solver & Hints

Free Wordle helper tool. Get optimal word suggestions, hints, and strategy. Track your game state to find the best guess. No AI, no signup.

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