Compress WebP/AVIF photos, craft CSS/SVG mesh backgrounds, format & diff JSON, preview OpenGraph cards, and calculate freelance fees — instantly in local RAM. Easy peasy.
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Select a tool below — every utility executes locally in browser memory with zero server uploads.
Combine multiple PDF files, extract page ranges, and rotate pages with zero server uploads. 100% private, client-side browser processing.
Convert JPEG, PNG, WebP, and AVIF images into professional A4 or Letter PDF documents with customizable margins, auto-orientation, and compression.
Create and download print-ready vector PDF invoices, receipts, and quotes with customizable line items, tax, discounts, and payment terms in local memory.
Add custom text watermarks, legal Bates numbering, and sequential page stamps to multi-page PDF documents entirely in browser RAM.
Transform spreadsheet data across CSV, Excel UTF-8, JSON arrays, SQL INSERT scripts, Markdown, and HTML tables with real-time sorting, search filtering, and cell editing.
Scrub duplicates, eliminate ghost blank rows, trim erratic whitespace, lowercase email identifiers, and normalize customer names from messy spreadsheet lists.
Real-time split-screen GitHub-Flavored Markdown workspace with live preview, automated Table of Contents generation, sanitized semantic HTML exports, and instant document downloads.
Calculate responsive CSS clamp() typography scales with linear viewport formulas, and design modern backdrop-filter glassmorphism cards with real-time Tailwind CSS v4 and pure CSS export.
Convert and compress images directly inside your browser. Support for WebP, JPEG, PNG, and AVIF with zero file uploads.
Optimize vector graphics, strip XML bloat, round floating path coordinates, and export high-resolution PNG previews entirely in your browser.
Inspect binary image headers for camera serials, timestamps, and GPS geolocation markers, then scrub 100% of metadata locally.
Sanitize sensitive documents, contracts, bank wire scans, and screenshots with irreversible pixel destruction, classified blackout stamps, heavy mosaic blur, and zero-EXIF export.
Generate responsive mesh gradients, layered SVG waves, and frosted glassmorphism backdrops with instant CSS and SVG exports.
Calculate relative luminance, test WCAG 2.2 text and UI contrast ratios, simulate color vision deficiencies, and auto-tune palette accessibility.
Craft ultra-realistic multi-layered elevation shadows, crisp brutalist borders, vibrant neon glows, and neumorphic insets with 1-click CSS export.
Design responsive CSS Grid layouts, popular Bento box card dashboards, and flexible CSS Flexbox containers with interactive visual spanning and live Tailwind v4 code generation.
Format, beautify, minify, sort, and auto-repair broken JSON. Compare two JSON or text payloads side-by-side with line diffing.
Decode, inspect, and verify JSON Web Tokens (JWT). Validate claims and HS256 signatures client-side, plus encode Base64 and compute SHA hashes.
Test, debug, and optimize regular expressions in real time. Inspect match offsets, numbered capture groups, and common pattern presets.
Generate cryptographically secure passwords and passphrases. Calculate information-theoretic Shannon entropy and encrypt private notes locally with AES-GCM.
Generate customizable, high-resolution QR codes for websites, Wi-Fi credentials, vCard contacts, and plain text. Export pixel-perfect SVG and HD PNG entirely in browser RAM.
Visual cron expression editor, plain-English translator, and deterministic multi-timezone next-run simulator. Copy production-ready GitHub Actions, Cloudflare, Crontab, and Vercel configs.
Hardware-accelerated SHA-256/384/512 file checksum verifier, HMAC-SHA256 signer, bulk RFC 9562 UUID v7 generator, and UTF-8 safe Base64/Hex codec.
Zero-server natural language processing engine featuring multi-LLM token estimation, Flesch-Kincaid readability scoring, automated PII redaction, keyword extraction, and in-browser Hugging Face neural inference.
Gamified high-velocity developer typing speed benchmark featuring realistic code syntax across TypeScript, Python, Rust, SQL, and Go with microsecond keystroke latency telemetry and AI pace car racing.
Preview exact social cards across Google Search, X (Twitter), Facebook, LinkedIn, and Discord before publishing. Copy meta tags in 1 click.
Generate production-ready robots.txt rules, configure AI & LLM bot scraper permissions, and compile valid W3C XML sitemaps client-side.
Build validated Google Analytics UTM campaign tracking links, apply lowercase normalization, and generate crisp downloadable PNG share cards with visual QR matrices.
Calculate payment processor fees and discover exactly how much to invoice clients to receive your desired take-home payout across Stripe, PayPal, Wise, and custom gateways.
Calculate subscription metrics including MRR, ARR, Gross Margin %, Customer Lifetime Value (LTV), LTV:CAC efficiency, CAC payback period, and net cash runway.
Calculate your minimum billable hourly rate, day rate, weekly sprint pricing, and monthly retainers based on desired take-home net income, tax rate, and realistic billable utilization.
Calculate fixed-rate mortgage payments, extra principal savings, multi-currency schedules, interactive payoff curves, and export vector PDF amortization reports in local browser memory.
Model token consumption, compare multi-provider frontier and flash API pricing, calculate context caching savings, and export executive cloud AI FinOps reports in browser RAM.
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Files are processed in local volatile RAM via HTML5 Canvas and WebAssembly. No server ever sees your data.
Skip upload and download queues. Convert dozens of high-res photos in seconds right on your CPU/GPU.
Save and restore your last tool output directly from browser storage — zero accounts or cloud lock-in.
Use every utility free forever, or unlock a distraction-free workspace with a one-time lifetime license.
