53 tools — 6 families
All 53 free online tools
Every tool on WebToolNook, in one place. Each one runs locally in your browser, so nothing you open here is uploaded and nothing waits on a server.
Image Tools 18 tools
Background Remover Remove the background from any photo instantly, right in your browser. Nothing is uploaded — your images never leave your device. Image Cropper & Resizer Crop and resize images visually with draggable boundaries, right in your browser. Lock to an aspect ratio or set an exact output size. Image Compressor Compress JPG, PNG, WebP, and HEIC images to an exact size — 100 KB, 200 KB, or smaller — right in your browser. No uploads, no signup. Compress Image to 20KB Compress a photo or signature to under 20 KB for online forms. Hits the limit automatically, works with JPG, PNG, and HEIC, all in your browser. Compress Image to 50KB Compress a passport or ID-style photo to under 50 KB without wrecking the face. Automatic target size, JPG or HEIC input, nothing uploaded. Compress Image to 100KB Compress a photo or document image to under 100 KB for email, job portals, and web forms, with sharp text and an exact size, all in your browser. Image Format Converter Convert HEIC, PNG, JPG, or WebP images entirely in your browser — including HEIC photos from iPhone. No uploads, no signup. WebP to PNG Converter Convert WebP to PNG in your browser — no upload, no signup, transparency preserved, and no quality loss. HEIC to JPG Converter Convert HEIC photos from iPhone to JPG in your browser — no app, no Windows codec, no upload. Works on Windows, Mac, and phones. PNG to JPG Converter Convert PNG to JPG in your browser to shrink file size — no upload, no signup, full resolution kept, with a chosen background behind transparency. JPG to PNG Converter Convert JPG to PNG free in your browser — lossless output with no upload and no signup. Convert several images at once and download them as a ZIP. WebP to JPG Converter Convert WebP to JPG in your browser — no upload, no signup. Set the quality, fill transparency with any colour, and keep the full resolution. JPG to WebP Converter Convert JPG to WebP in your browser — smaller files for the web with the same visual quality. No upload, no signup, full resolution kept. PNG to WebP Converter Convert PNG to WebP in your browser — much smaller files with transparency intact. No upload, no signup, and the full resolution is kept. HEIC to PNG Converter Convert HEIC photos from iPhone to PNG in your browser — no app, no upload, lossless output that opens on Windows, Mac, and Android. HEIC to WebP Converter Convert HEIC photos from iPhone to WebP free in your browser — no app, no codec, no upload. Adjust quality, keep full resolution, and batch-convert in one go. EXIF Viewer View the EXIF metadata hidden in a photo: GPS location, camera, lens, date, and settings. Reads JPG, HEIC, PNG, and WebP without uploading them. Remove EXIF Data Remove EXIF data and GPS location from photos before you share them. Lossless for JPG, PNG, and WebP, batch-friendly, and nothing is uploaded.
PDF & Documents 6 tools
JPG to PDF Converter Convert JPG and PNG photos into a single PDF in your browser — reorder pages, pick page size and margins, and keep every file on your device. Merge PDF Files Combine multiple PDF files into one document in your browser — drag to reorder, see the total page count, and merge without uploading or signing up. Split & Extract PDF Pages Split a PDF or extract specific pages free in your browser — enter page ranges like 1-3, 5 and download the results individually or as a ZIP. Rotate PDF Pages Rotate PDF pages 90°, 180°, or 270° free in your browser — fix a sideways scan and save the corrected file without uploading anything at all. PDF to JPG Converter Convert PDF pages to JPG or PNG images free in your browser — choose the resolution, download pages individually, or save every page as a ZIP. Compress PDF Files Shrink a PDF in your browser by flattening pages into optimised images — pick a quality preset and compress scans without uploading the file.
Design & CSS 5 tools
CSS Box Shadow Generator Design layered CSS box shadows visually and copy the finished code — including neumorphism and soft-UI presets. CSS Gradient Generator Design linear, radial, and conic CSS gradients visually with multiple color stops, and copy the CSS or a Tailwind class. Color Palette Extractor Pull the dominant colors out of any photo and export them as hex, CSS variables, Tailwind config, or SCSS — right in your browser. Color Picker from Image Pick any color from an image and get its HEX, RGB, and HSL codes. Magnified loupe, averaged sampling for noisy photos, and nothing is uploaded. HEX to RGB Converter Convert HEX color codes to RGB and RGB back to HEX, with HSL and alpha support. Live swatch, copy-ready CSS values, instantly in your browser.
Everyday & Business 6 tools
Password Generator Generate strong, random passwords or memorable passphrases. Everything happens locally — nothing is sent anywhere. QR Code Generator Turn a link, WiFi network, contact card, or plain text into a downloadable QR code — as PNG or SVG, entirely in your browser. WiFi QR Code Generator Create a WiFi QR code from your network name and password so guests can join by scanning — free, no signup, generated in your browser. Percentage Calculator Calculate percentages, percentage increase or decrease, percentage change, and reverse percentages — instantly, entirely in your browser. GPA & Grade Calculator Calculate your weighted GPA from a list of courses, or find out exactly what score you need on a final exam. Salary Negotiation Calculator See exactly what a bigger raise or counter-offer is worth over your whole career — not just this year.
Developer Tools 9 tools
JSON Formatter & Validator Format, beautify, validate, and minify JSON online. Pinpoints syntax errors with line and column numbers — entirely in your browser, nothing uploaded. JSON to CSV Converter Convert JSON to CSV or CSV to JSON in your browser. Flattens nested objects, handles quoted fields, and downloads the result — no uploads, no signup. CSV to JSON Converter Convert CSV to JSON in your browser — auto-detects the delimiter, handles quoted fields, and keeps numbers and booleans intact. No uploads, no signup. Base64 Encode & Decode Encode text or files to Base64 and decode Base64 back to text in your browser. Full UTF-8 support, URL-safe mode, and instant copy — no uploads, no signup. JWT Decoder Decode a JWT to read its header and payload claims instantly in your browser. Shows expiry and issued-at as readable dates — nothing is uploaded, no secret needed. URL Encoder & Decoder URL-encode or decode text and query strings in your browser. Switch between component and full-URL encoding, with a live query-string breakdown. No uploads, no signup. UUID Generator Generate random UUID v4 values (GUIDs) instantly in your browser. Create one or generate hundreds in bulk, with hyphen, case, and brace formatting. No uploads, no signup. Hash Generator Generate SHA-256, SHA-1, SHA-384, or SHA-512 hashes from text or files in your browser — private, instant, and nothing is ever uploaded. Unix Timestamp Converter Convert Unix timestamps to readable dates and back — seconds or milliseconds, ISO 8601, UTC and local time, instantly in your browser.
Text Tools 9 tools
Word & Character Counter Count words, characters, sentences, and paragraphs live as you type, with limits for Twitter/X, SMS, and meta descriptions. Reverse Text & Backwards Text Reverse text and create backwards text instantly — flip characters, word order, each word, or line order. Free, no signup, and it all runs in your browser. Remove Duplicate Lines Remove duplicate lines from text online and keep only unique lines. Options to ignore case, trim spaces, and drop blank lines — instantly, in your browser. Compare Two Lists Compare two lists to find what is missing, what is extra, and what they share. Trim, ignore case, and copy each result, free and in your browser. Sort Text Lines Sort lines alphabetically, numerically, or by length, ascending or descending. Optionally remove duplicates and blank lines — free, no signup, in your browser. Text Repeater Repeat text as many times as you want, on new lines, with spaces, commas, or a custom separator. Copy the result instantly — free and entirely in your browser. Slug Generator Turn any title or text into a clean, SEO-friendly URL slug. Transliterates accents, lowercases, and joins with hyphens or underscores — instantly, in your browser. Case Converter Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, or kebab-case instantly — free, in your browser. Text Compare Compare two texts and highlight every difference, line by line and word by word. Side-by-side or inline diff, private, and nothing is uploaded.