Convert a Screenshot to PDF Without Installing Anything
Press Ctrl+V — your screenshot becomes an A4 PDF in seconds. Zero software, zero upload.
Convert images to PDF, format JSON, download YouTube thumbnails and more — all tools run 100% in your browser with zero data upload.
No signups. No paywalls. No nonsense. Built for developers and everyday users who just need the job done — privately and instantly.
Convert any image (JPG, PNG, WebP) into a downloadable PDF file — all in your browser.
Paste raw JSON and format it with proper indentation. Validates syntax and highlights errors.
Generate strong passwords, passphrases, and PINs. Includes bulk generate, strength analyzer with entropy & crack time, and platform presets. Cryptographically secure.
Count words, characters, sentences and more. Includes reading time, readability score, word frequency, case converter, text cleaner, and platform limits.
Convert length, weight, temperature, speed, area, volume, time, data, pressure and energy. 80+ units, instant results, nothing uploaded.
Upload two PDFs and instantly see every change highlighted word-by-word — additions, removals, and edits side-by-side.
Paste any YouTube URL and instantly download thumbnails in HD, HQ, MQ and SD quality.
Encode and decode URLs with percent-encoding, encodeURIComponent, and form encoding. Includes a query string inspector that breaks any URL into readable key-value pairs.
Encode text and files to Base64, decode Base64 strings, and decode JWT tokens with expiry status. Supports standard and URL-safe Base64.
Compress JPG, PNG, and WebP images by up to 90% — no upload, no server. Batch compress, convert formats, resize, and download instantly. 100% private.
Convert PDF pages to PNG, JPG, or WebP images — free, no upload, 100% in your browser. Select specific pages, choose resolution, download individually or as ZIP.
Pick colors, generate palettes, convert HEX/RGB/HSL/CMYK, check WCAG contrast, build CSS gradients, and extract colors from images. 17+ color formats including Tailwind, Swift, Flutter.
Write Markdown with live preview, export to HTML, GitHub Flavored Markdown support, tables, task lists, code blocks, templates, and fullscreen mode. Auto-saves in your browser.
Generate QR codes for URLs, WiFi, vCard, email, SMS, WhatsApp, location, and 16 other types. Custom colors, add a logo, download PNG/SVG/JPEG. Bulk generator and QR scanner included. Free, no watermark.
Convert text between 30+ formats: UPPER CASE, lower case, Title Case, camelCase, PascalCase, snake_case, kebab-case, SCREAMING_SNAKE, slug, and more. Batch mode, live previews, nothing uploaded.
Generate placeholder text in 8 themes (Classic, Hipster, Pirate, Cat, Tech & more) as plain text, HTML, Markdown, JSON, or JSX. Exact word/character/paragraph counts. Free, instant.
Cryptographically secure random numbers — dice roller, coin flip, Powerball/Mega Millions lottery, weighted picks, Gaussian distribution, UUID v4, random date & color, and list picker. Free, no ads.
Encode special characters to HTML entities (< & ©) and decode back. 5 modes: essential XSS-safe, named, decimal, hex, attribute-safe. Strip HTML tags. Entity reference included.
Minify CSS and JavaScript to reduce file size, or beautify minified code for readability. Remove comments, strip console.log, normalize colors, shorten zero values. Free, instant, no upload.
Compare two texts and highlight every difference. Line, word, or character diff. Side-by-side, inline, and unified patch views. Similarity score, change stats, download as .patch. Free, no upload.
Simple, private, and genuinely free — built for people who need results without the friction.
No waiting for server uploads. Everything runs locally in your browser — results in milliseconds.
Your files and data never leave your device. Zero server uploads, zero tracking.
Fully responsive on desktop, tablet, and mobile. No install, no extensions needed.
No subscriptions, no paywalls, no usage caps. Every tool is free and stays free.
Press Ctrl+V — your screenshot becomes an A4 PDF in seconds. Zero software, zero upload.
Exact error location + one-click repair for trailing commas, single quotes, and unquoted keys.
°F = (°C × 9/5) + 32 — with a reference table for body temp, boiling point, oven temps, and more.
ToolLance is a growing collection of free browser-based tools designed for speed, privacy, and zero friction. Whether you're a developer validating JSON, a student converting images to PDF for an assignment, or a content creator grabbing a YouTube thumbnail — every tool works instantly with no install, no account, and no cost.
Unlike most online tools that upload your files to remote servers, ToolLance processes everything locally inside your browser using modern JavaScript APIs. Your data stays on your device, and results appear in milliseconds — not seconds.
The JSON Formatter & Validator lets you beautify, minify, and validate JSON with syntax highlighting and clear error messages. The Image to PDF Converter supports drag-and-drop and clipboard paste — without a single server upload. The YouTube Thumbnail Downloader fetches every available resolution from any YouTube URL in one click.
The ToolLance Blog covers practical how-to guides for every tool — from converting screenshots to PDF using Ctrl+V, to validating and auto-repairing broken JSON, to temperature conversion formulas with reference tables. Every guide is written to be useful, not to fill a word count.
Every tool on ToolLance is architected to be fully client-side. No files, text, or images are ever sent to a server because there are no server-side operations. This also makes tools faster and means they work even on a slow connection.
Yes. Every tool on ToolLance is free forever — no subscriptions, no usage limits, no credit card. We're supported by non-intrusive ads, not paywalls.
Never. All tools open and work instantly in your browser. No registration, no email, no password.
No. All processing runs client-side inside your browser. Your files and data never leave your device — not even for a millisecond.
Yes. Every tool is fully responsive and tested on phones and tablets. Just open your browser and use it — no app required.
We're actively building new tools. If you need something specific, use the Contact page to suggest it.