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🔒 Local processing — your files never leave your device

Private tools that never upload your files

168 browser tools for private files, code and text. Process locally with no uploads, no signup and no limits.

Private workflows

Start with a focused task, then continue through related tools built for the same kind of data.

Photo privacy

Inspect and clean metadata before sharing photos.

EXIF ViewerRemove EXIF DataHEIC to JPGAVIF to JPG

AI developer tools

Count tokens and estimate model costs without sending prompts away.

Token CounterLLM API Cost CalculatorJSON FormatterJSON to TypeScript

Developer privacy

Decode, test and transform sensitive development data locally.

JWT DecoderRegex TesterHash GeneratorCSV ⇄ JSON Converter

Web developer tools

Build schedules, metadata and share assets for web projects.

Cron Expression GeneratorSubnet CalculatorMIME Type LookupMeta Tag Generator

Private documents

Work with contracts, PDFs and invoices on your own device.

Sign PDFExtract PDF TextOrganize PDF PagesInvoice Generator

Explore focused toolkits

Start with a complete local workflow or browse every private browser tool.

PDF Privacy Toolkit

Merge, split, compress, convert and organize PDF files locally in your browser. No uploads or signup.

Image Privacy Toolkit

Compress, convert, resize and clean image metadata locally in your browser. No image uploads.

Unit Converters

Convert common length, weight, temperature, area, volume, speed, data, time, pressure, energy, power and angle units.

Everyday & Business Calculators

Calculate percentages, discounts, tips, margins, advertising metrics, salaries, ratios and weighted averages locally.

QR & Barcode Studio

Generate static QR codes and barcodes locally with PNG and SVG output. No redirects, accounts, tracking or uploads.

Why NotAtAll?

Truly private

Other sites upload your files to their servers. Here, every tool runs locally in your browser — your documents and photos never leave your device.

No limits, no signup

No accounts, no daily caps, no watermarks. Open a tool, use it, done. Works offline once loaded.

Free forever

Every tool is completely free. No hidden trials, no "pro" paywalls — just useful tools that respect you.

PDF Tools

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Merge, split, compress and convert PDF files — right in your browser. 12 tools

Merge PDF Combine multiple PDF files into one document, free and instantly. Files are merged in your browser — no uploads, no signup, no watermarks. Split PDF Split a PDF into separate files or extract specific pages. Free, no signup, and processing happens entirely in your browser. Compress PDF Shrink large PDF files without losing readability. Choose compression strength and download instantly — files never leave your browser. PDF to JPG Convert every page of a PDF to high-quality JPG or PNG images. Free, instant, and processed entirely in your browser — no uploads. PDF to Word Convert a PDF into an editable Word (DOCX) document. Text is extracted and rebuilt in your browser — no uploads, free and unlimited. JPG to PDF Convert JPG, PNG and WebP images into a single PDF. Set page size and margins, reorder images, download instantly — 100% in your browser.

Image Tools

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Compress, convert, resize and edit images without uploading them anywhere. 18 tools

Image Compressor Shrink JPG, PNG and WebP images up to 90% smaller with a target file size or quality slider. Free, no upload, batch supported. Image Converter Convert between PNG, JPG and WebP formats instantly. Batch conversion, quality control, and zero uploads — all in your browser. Image Resizer Resize images by pixels or percentage with aspect-ratio lock. Batch resize, format choice, and zero uploads — runs in your browser. Image Cropper Crop images with a visual editor: drag the frame, use aspect ratios like 1:1 or 16:9, and download. Free and fully browser-based. Image to Base64 Encode any image to a Base64 data URI for CSS or HTML. Instant preview, one-click copy, zero uploads — works entirely in your browser. Watermark Image Add a text watermark to photos in bulk: pick font size, opacity, color and position. Free, batch ready, and never uploaded.

Design Tools

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Color converters, palette extraction and accessibility checks for designers. 7 tools

Color Converter Convert colors between HEX, RGB and HSL instantly. Pick or paste any format, copy all of them, and explore tints and shades — fully client-side. Color Palette from Image Extract dominant colors from any image into a palette you can copy as HEX or RGB. Click the image to pick exact pixels — all local, no upload. WCAG Contrast Checker Test text and background colors against WCAG 2.1 AA and AAA contrast thresholds. Live ratio, sample preview and clear pass/fail — client-side. YouTube Thumbnail Maker Create a 16:9 YouTube thumbnail with custom title, subtitle, colors and background image. Export a crisp 1280×720 PNG directly in your browser. Favicon Generator Generate favicon PNGs, an SVG favicon and a web app manifest from text, emoji or an image. Free, private and processed in your browser. OG Image Generator Create a 1200×630 Open Graph image for websites, blogs and social sharing. Add title, description, colors and a local background image, then download PNG.

Developer Tools

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Formatters, encoders and generators for everyday development work. 36 tools

JSON Formatter Format, validate and minify JSON with syntax highlighting and clear error messages. Free, instant, and fully client-side. QR Code Generator Create QR codes for URLs, text, WiFi, email or phone. Adjust size and colors, download as PNG or SVG — free, no watermark. Base64 Encoder / Decoder Encode text to Base64 or decode Base64 back to text. UTF-8 safe, instant, with one-click copy — fully client-side. URL Encoder / Decoder Encode or decode URLs and query strings with proper percent-encoding. Handles spaces, symbols and Unicode — instant and client-side. Hash Generator Generate SHA-256, SHA-384, SHA-512, SHA-1 and MD5 hashes from text instantly. Compare checksums and verify integrity — client-side only. UUID Generator Generate one or hundreds of cryptographically random UUID v4 identifiers instantly. Bulk mode, one-click copy — fully client-side.

Text Tools

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Counters, converters and utilities for working with plain text. 11 tools

Markdown to HTML Convert Markdown to readable HTML with headings, links, emphasis, lists, quotes and code blocks. Live preview, copy and download — local and free. Email Signature Generator Create a professional HTML email signature for Gmail, Outlook and other clients. Customize contact details and color, then copy the HTML locally. Word Counter Count words, characters, sentences, paragraphs and reading time in real time. Free, instant keyword density — fully client-side. Case Converter Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and more. One click, instant, client-side. Text Diff Compare two blocks of text and highlight every addition, deletion and change. Line-level diff with clear colors — fully client-side. Lorem Ipsum Generator Generate lorem ipsum placeholder text by paragraphs, sentences or words. Classic Latin filler for designs and mockups — client-side.

Calculators & Converters

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Everyday calculators and unit converters — instant answers, nothing tracked. 84 tools

Age Calculator Calculate your exact age in years, months, days — even hours, minutes and seconds. Next-birthday countdown included. Free, instant, private. Percentage Calculator Three percentage calculators in one: X% of a number, one number as a percent of another, and percentage increase or decrease. Instant, client-side. Unit Converter Convert length, weight, temperature, speed, area, volume, data storage, time, pressure, energy, power and angle units instantly in your browser. GPA Calculator Calculate your semester or cumulative GPA on the 4.0 scale. Letter or percentage grades, weighted by credits — instant and private. Reading Time Calculator Convert word counts into reading and speaking time. Adjustable speed, sentences and paragraphs included — instant and private. Invoice Generator Create a professional invoice with line items, tax and totals, then download it as a clean PDF. No signup, no watermark — built in your browser.

📖 From the blog

All guides →

Margin, ROAS and Break-Even: Read the Denominator First

Compare three business ratios with worked arithmetic: 20% margin, 3× ROAS and 100 break-even units, including zero-denominator limits.

Unit Conversion: Exact Definitions and Display Precision

Convert inches and pounds using their definitions, distinguish US gallons and binary data units, and keep rounding separate from measurement accuracy.

How to Create a QR Code That Still Scans

Create a reliable QR code for a URL, WiFi network, email or text. Learn how size, contrast, quiet space and testing affect scan success.