All WebToolsHUB tools

Image Watermark Remover

Brush over watermarks and repair images locally with fast fill or texture-based inpainting.

Image Compressor

Compress JPEG, PNG and WebP images with adjustable quality and size, batch process multiple files and download the optimized results.

Image Cropper

Crop images with preset ratios or free selection, preview export quality in real time, and download high-resolution results for avatars and covers.

SVG Editor

Draw rectangles, circles, lines and freehand paths, add text and edit SVG source live. Export as PNG or SVG.

Drawing Board

A full drawing board with brushes, eraser, shapes and fill, keyboard shortcuts and high-resolution PNG export — all drawn locally.

Grid Slicer

Split one image into a perfect 3×3 grid (or custom rows and columns) with borders and spacing — ideal for social media feed posts.

Image to Base64

Convert images to Base64 and back, with format selection and quality control. Perfect for embedding images in HTML, CSS and apps.

Batch Image Converter

Convert multiple images to JPEG, PNG or WebP in one go, with quality and size options. Export a ZIP — all local, no uploads.

Image Filter & Color

Adjust brightness, contrast, saturation and hue in real time, or apply retro, black-and-white and invert presets, then download.

Image Watermark

Add text or image watermarks with adjustable transparency, nine-position placement and tiling. Preview live and download — fully local.

Image Stitcher

Stitch multiple images horizontally or vertically into one long picture, with order, spacing, background color and alignment options.

ID Photo Background Changer

AI detects the subject and swaps the background to red, blue or white, with standard 1-inch and 2-inch output sizes. All inference runs locally.

Background Remover

AI removes image backgrounds with high-accuracy models and manual edge refinement. Export transparent PNGs for product shots and ID photos.

EXIF Cleaner

View camera, date and GPS metadata embedded in photos, then strip it in one click to protect your privacy. Fully local.

Color Picker

Pick colors from any image, generate a dominant-color palette automatically, and export as CSS or JSON. Fully local.

Image Mosaic

Brush pixelation over faces, license plates and other sensitive areas, with adjustable block size and undo support.

Grid Collage

Combine up to 9 images into one social grid with adjustable spacing, rounded corners and background. Fully local.

Photo Print Layout

Auto-arrange 1-inch and 2-inch ID photos onto 6-inch photo paper, ready to print. Fully local.

Compare Images

Drag a divider to compare two images side by side (before/after) — great for showing edits and compression results.

Image to ASCII Art

Map image brightness to text characters to generate ASCII art. Copy or download the result — fully local.

Video Compressor

A high-performance local video transcoder built on WebCodecs. Upload a video, choose resolution, bitrate and a preset, and compress it in your browser.

Video Watermark

Add text or logo watermarks to video with nine-position and tiling placement, live preview, and local MP4/WebM export. Nothing is uploaded.

M3U8 Player

Paste an .m3u8 link to play HLS streams online with fullscreen, playback speed and quality switching.

RTMP Player

Play RTMP, HTTP-FLV and WebSocket-FLV live streams with automatic HLS fallback, fullscreen and speed control.

GIF Maker

Turn multiple images or a video clip into an animated GIF with a built-in local encoder, adjustable frame delay and extraction count.

Video Frame Extractor

Capture single frames or burst-capture multiple frames from a video, export PNG/JPEG for covers and assets.

Voice Recorder

Record audio in your browser with a live waveform and export WAV. Recording data never leaves your device.

Audio Converter

Decode common audio formats, resample and export WAV, with 0.5–2× speed change that keeps the pitch. Fully local.

Video to Audio Extractor

Extract the audio track from a video and export it as WAV, with live progress. Processed locally in your browser.

Online Piano

Play a two-octave piano with your keyboard or touch screen, multiple voices, recording/playback and WAV export — sound generated locally.

Metronome

A metronome with 40–208 BPM, multiple time signatures and sounds, plus visual beat indicators. Sound is generated locally via Web Audio.

Noise Generator

Generate white, pink, brown, blue, violet and gray noise plus 11 ambient sounds (rain, fan, ocean, stream, campfire…), with volume, EQ and filter controls.

Tone Generator

Generate sine, square, triangle, sawtooth, pulse and white-noise waveforms with duty cycle and linear/log sweeps from 20–20000 Hz. Local audio.

Nature Sounds

49 nature sounds — rain, ocean, streams, wind, thunder, campfire, birds and more — with multi-track mixing, scene presets and a live spectrum visualizer. All synthesized locally.

Word Image Extractor

Upload a DOCX to extract all embedded images, compress them automatically and repackage the document — great for cleaning up bloated files.

Markdown to Image

Paste Markdown, preview it live and export as an image with syntax highlighting, multiple themes and custom sizes. Perfect for sharing.

PDF to Image

Convert each PDF page to PNG or JPG, with batch compression and packaged download for previews and archives.

PDF Toolkit

Compress, merge, split and reorganize PDFs locally — reorder whole files, pick pages visually, and download results instantly. Files never leave your device.

OCR Text

Extract text from images with the Tesseract engine running locally in your browser, with image enhancement and multi-language recognition. Export as TXT.

Text Diff

Paste two texts to highlight differences side by side, with support for JSON and structured comparison. Export the result.

HTML Entities

Browse 200+ common HTML entity encodings by category or search, and copy them with one click.

Document Link Checker

Upload Word, Excel, PDF or TXT documents to extract every hyperlink and URL, showing anchor text next to each target for export.

Privacy Masker

Paste text to auto-detect phone numbers, emails, IDs and bank cards and mask them. Copy the redacted result — fully local.

Word Counter

Count characters, word frequency, keyword density and reading time for Chinese and English text. Fully local.

CSV Converter

Convert between CSV, TSV and JSON with header detection, delimiter selection and a table preview. Copy or download in one click.

Signature Generator

Draw a handwritten signature with mouse or touch, or generate a text-based stamp, with custom strokes and colors. Export transparent PNG.

Editor Toolbox

Rich-text editing with formatting, tag stripping, paragraph indentation, image centering and full/half-width conversion. HTML import/export included.

QR Code Generator

Generate QR codes locally from URLs or text, with four error-correction levels, custom sizes and colors, plus logo support and PNG download.

JSON Formatter & Compare

Format, minify, validate and structurally compare JSON, with errors pinpointed to the exact line and column. Fully local.

Password Generator

Generate strong passwords locally from secure browser randomness, with custom length and character sets, strength scoring and history.

Timestamp Converter

Convert Unix seconds/milliseconds timestamps to dates and back, in local or UTC time, with a live clock.

Regex Tester

Test regular expressions with real-time match highlighting, capture groups and replacement preview, plus a cheat sheet of common patterns.

Color Converter

Convert between HEX, RGB and HSL, generate gradients and check accessibility contrast ratios. Fully local.

File Type Detector

Identify a file's real format from its magic bytes and verify whether the extension is disguised.

Cron Parser

Translate 5-field cron expressions into plain language and compute the next run times. Fully local.

JWT Decoder

Decode JWT header and payload locally, showing issue and expiry times. No network calls, no signature verification.

Batch Renamer

Preview new file names using prefix, sequence and replace rules, then download everything as a ZIP. Fully local.

Crypto Toolkit

A collection of Base64, MD5, SHA and AES tools — paste text for two-way conversion, all processed securely and locally.

Barcode Generator

Generate EAN-13, UPC-A and ITF barcodes locally with correct check digits, adjustable module width and quiet zones, plus PNG/SVG export.

Code Formatter

Format JavaScript, CSS, HTML and SQL with configurable indentation and clean output. Fully local, nothing uploaded.

Random Tools

Roll dice, generate random numbers, pick items and create UUIDs using secure browser randomness. Fully local.

ZIP Tool

Create and extract ZIP archives directly in your browser, with file preview and no uploads.

Favicon Generator

Upload an image and generate favicon.ico, favicon-16x16.png, favicon-32x32.png, apple-touch-icon.png and PWA icons (192/512) in one click. Fully local.

Text Extractor

Split text into columns by preset or custom delimiters, or extract emails, phone numbers, URLs, IP addresses, IDs and more with preset or custom regex. Optional deduplication — all local.

Line Tools

Clean up line-based text in one pass: trim, drop empty and duplicate lines, sort, reverse, number and merge, with live counts.

Tip Calculator

Calculate the tip and split the bill per person, with percentage presets, a round-up option and instant results.

Discount Calculator

Calculate sale prices three ways — single percentage off, stacked discounts, or spend-X-get-Y vouchers — with the true effective discount.

Salary to Hourly Converter

Convert between annual, monthly, weekly, daily and hourly pay with your own hours per week and unpaid time off.

Lorem Ipsum Generator

Generate lorem ipsum by paragraph, sentence or word, plus placeholder images with custom size, label and colors.

URL Parser

Split any URL into protocol, host, path and parameters, edit the values decoded, and rebuild the URL with or without encoding.

Aspect Ratio Calculator

Compute the missing width or height for any ratio, simplify real dimensions with the GCD, and preview the shape live.

Case Converter

Convert text between UPPERCASE, Title Case, camelCase, snake_case, kebab-case and more at once, with one-click copy. Handles camelCase and mixed separators on input.

Emoji Picker

Search emojis by keyword, browse eight categories and copy any emoji with one click. Recently used picks stay on your device.

Image Resizer

Resize images by percentage or exact side with the ratio locked — or stretch to fit — with presets, format options and multi-file support.

Audio Trimmer

Trim audio with a visual waveform — select a region, add fades, preview the cut and export WAV, all decoded and processed locally.

Screen Recorder

Record your screen, a window or a tab — with optional microphone — entirely in the browser. No upload, no watermark; the file is yours alone.

Video Trimmer

Cut a clip from your own video files with a live preview and real-time local re-encode — the footage never leaves your device.

Time Calculator

Convert timestamps, compute date intervals, time zones and working days — built for cross-timezone work and timestamp needs.

Unit Converter

Convert length, area, volume, temperature and currency in real time, with favorites for common units.

Currency Converter

Convert between currencies using built-in reference rates, with local history. Reference rates only — not live bank quotes.

Tax Calculator (China)

Calculate China income tax, VAT and special additional deductions, with a detailed breakdown you can export.

BMI Calculator

Calculate your BMI from height and weight with health advice, in metric or imperial units. Great for everyday health tracking.

CIDR Calculator

Compute network and broadcast addresses, usable IP ranges and binary views from any CIDR block — for network planning.

Percentage Calculator

Solve the four everyday percentage questions — percent of a number, what percent X is of Y, percentage change, and add or subtract a percent — with live results.

Compound Interest Calculator

Project savings growth from an initial deposit and monthly contributions, with a growth chart, yearly breakdown and inflation adjustment.

Loan Calculator

Compare equal installment and equal principal repayment with monthly payment, total interest and a full amortization schedule.

CSS Generators

Generate box shadow, gradients, border radius and flexbox layouts visually with live preview and one-click copy of the CSS.

JSON to TypeScript

Generate TypeScript interfaces from any JSON: nested objects, array unions, null handling and an optional-properties mode.

To-Do List

Manage tasks by category, priority and progress with local storage, search/filter and import/export. Great for personal scheduling.

Quick Notes

Multi-page notes with local auto-save, Markdown preview and TXT/HTML export. Your data stays in the browser.

Pomodoro Timer

Customize work and break lengths, start a focus session with one click and track your daily focus time.

Stopwatch & Timer

A precise stopwatch with lap and split times plus a countdown with presets and an audible alert, controlled from the keyboard.

Speech to Text

Click record to transcribe speech into text in real time with multi-language support. Recognition depends on your browser and language. Great for meeting notes.

Text to Speech

Turn text into spoken audio with multiple voices and speed/pitch control. Save frequently used text for quick access.

Web Archiver

Enter a URL to save accessible HTML/CSS/JS resources and package them as a ZIP. Cross-origin and dynamic content may not archive fully offline.

Lottery Wheel

Enter candidates and spin for a fair random pick, with themes, custom wheels and exportable history. Ideal for event giveaways.

Age Calculator

Enter your birthday to see your precise age, zodiac sign, Chinese zodiac, days lived and birthday countdown in one place.

Sleep Cycle Calculator

Plan sleep around 90-minute cycles: six bedtime or wake-up options with a 15-minute fall-asleep buffer, in three convenient modes.

Calorie Calculator

Calculate BMR and daily calorie needs (TDEE) with the Mifflin-St Jeor equation, plus goal targets and a macro breakdown.

Due Date Calculator

Estimate a due date from the last menstrual period with Naegele's rule, cycle-length adjustment, gestational age and trimester milestones.

Life Countdown

Visualize your life progress by birth date with a weekly calendar and motivational quotes — a gentle reminder to make every day count.

Typing Speed Test

Type Chinese or English passages to measure your WPM and accuracy in real time, with history to track progress.

Click Speed Test

Click as fast as you can within a chosen time, with live CPS feedback and your best score saved.

Stroop Test

Identify the ink color of conflicting words to measure reaction time and accuracy — test your attention.

Memory Span Test

Memorize number sequences that grow longer each round, tracking your maximum span. Train short-term memory.

Anniversary Calculator

Find the Nth day, anniversaries and upcoming milestones from any start date. Fully local.

Phone Number Lookup (China)

Identify the carrier and province of Chinese mobile numbers from a built-in local prefix table. Numbers never leave your device.

Snake Game

The classic Snake game with keyboard and touch controls, multiple difficulties and high-score tracking.

2048

The smooth 2048 number puzzle with keyboard arrows and touch swipe, auto-saving your best score.

Minesweeper

Classic Minesweeper with beginner, intermediate and expert difficulties, auto-reveal and a timed leaderboard.

Whack-a-Mole

A 30-second whack-a-mole challenge with multiple difficulties, live scoring and best-record tracking. Train your reflexes.

Puzzle Game

Slide puzzles from 3×3 to 5×5 with move counting and optimal-path stats. Train spatial thinking.

Tic-Tac-Toe

Play against the computer or a friend on the same screen, with win/loss history and replay.

Memory Match

Classic memory pair-matching with multiple icon sets and timed modes, increasing difficulty and best records.

Color Memory

A progressive color-memory game that gets harder each level — test your color perception and memory.

Guess the Number

Guess a hidden number in a chosen range with smart hints, tracking your attempts and best score.

ATS Resume Checker

Check resume parsing, standard sections, measurable achievements and job-description keyword coverage locally in your browser.