# toolsfree.app > Free, fast, private browser tools. No signup. No upload. 100% client-side web tools for PDFs, images, finance, and developers. Files never leave your device. No account required. ## How toolsfree.app works - 100% client-side: files are processed in the user's browser using JavaScript and WebAssembly. - No accounts, no uploads, no analytics on user files. - Free tools cover commodity utilities; one-time unlocks ($2.99–$9.99) cover power features. - Built for US-based users, with state-aware tax and form math where applicable. ## Wave 1 tools - [PDF Merger](https://toolsfree.app/tools/pdf-merger): Combine PDFs into one file, in your browser. - [PDF Splitter](https://toolsfree.app/tools/pdf-splitter): Split a PDF by page ranges or every N pages. - [HEIC to JPG Converter](https://toolsfree.app/tools/heic-to-jpg): Convert iPhone HEIC photos to JPG or PNG. - [Image Compressor](https://toolsfree.app/tools/image-compressor): Shrink JPG, PNG, and WebP images without losing quality. - [JSON Formatter](https://toolsfree.app/tools/json-formatter): Format, validate, and minify JSON instantly. - [BMI Calculator](https://toolsfree.app/tools/bmi-calculator): Body Mass Index in imperial or metric. - [GPA Calculator](https://toolsfree.app/tools/gpa-calculator): Weighted and unweighted GPA for US schools. - [Mortgage Calculator](https://toolsfree.app/tools/mortgage-calculator): P&I, taxes, insurance, PMI, and amortization. - [Paystub Preview](https://toolsfree.app/tools/paystub-preview): Preview a US paystub with federal and FICA estimates. - [Background Remover (Preview)](https://toolsfree.app/tools/background-remover): Remove image backgrounds with AI, in your browser. ## US cities covered in the blog - New York, NY — The Big Apple - Los Angeles, CA — The City of Angels - Chicago, IL — The Windy City - Houston, TX — Space City - Phoenix, AZ — The Valley of the Sun - Philadelphia, PA — The City of Brotherly Love - San Antonio, TX — Alamo City - San Diego, CA — America's Finest City - Dallas, TX — Big D - San Jose, CA — Capital of Silicon Valley - Austin, TX — The Live Music Capital of the World - Seattle, WA — The Emerald City - Denver, CO — The Mile High City - Boston, MA — The Hub - Miami, FL — The Magic City - Atlanta, GA — The ATL - Washington, DC — The District - Las Vegas, NV — Sin City - Portland, OR — The City of Roses - Nashville, TN — Music City ## Blog posts - [Free PDF and Paystub Tools for New York Freelancers](https://toolsfree.app/blog/new-york-ny-pdf-merger): New York freelancers can merge contracts, split invoices, and preview paystubs in the browser — no upload, no signup. - [Los Angeles Creators: Convert HEIC, Compress, and Cut Backgrounds in Browser](https://toolsfree.app/blog/los-angeles-ca-heic-to-jpg): Los Angeles content creators use toolsfree.app to fix iPhone HEIC files, compress images, and cut backgrounds without uploading anything. - [Chicago Small Business Stack: Mortgage Math, PDFs, and JSON Tools](https://toolsfree.app/blog/chicago-il-mortgage-calculator): Chicago owners and consultants use toolsfree.app for mortgage math, contract PDFs, and quick JSON validation — all client-side. - [Houston Energy Sector: Split PDFs and Run Paystub Checks Offline](https://toolsfree.app/blog/houston-tx-pdf-splitter): Houston contractors and engineers split rig reports, preview paystubs, and validate JSON — fully offline, in the browser. - [Phoenix Realtors: Mortgage Math, Listing Photos, and Disclosure PDFs](https://toolsfree.app/blog/phoenix-az-mortgage-calculator): Phoenix realtors use toolsfree.app to compute mortgages, compress listing photos, and merge disclosure PDFs. - [Philadelphia Students: GPA Calculator, PDF Tools, and Developer Utilities](https://toolsfree.app/blog/philadelphia-pa-gpa-calculator): Philadelphia students at Penn, Temple, and Drexel use toolsfree.app for GPA math, study PDFs, and JSON formatting. - [San Antonio Military Families: Quick PDF and Paystub Tools](https://toolsfree.app/blog/san-antonio-tx-pdf-merger): San Antonio military families use toolsfree.app for PCS paperwork, LES previews, and image compression for housing apps. - [San Diego Biotech and Navy: Browser Tools for Compliance and Fitness](https://toolsfree.app/blog/san-diego-ca-pdf-merger): San Diego biotech founders and active-duty users rely on toolsfree.app for PDF compliance, BMI checks, and JSON inspection. - [Dallas E-Commerce Sellers: Compress, Cut, and Combine](https://toolsfree.app/blog/dallas-tx-image-compressor): Dallas Shopify and Amazon sellers compress product photos, remove backgrounds, and merge PDFs — all in the browser. - [San Jose Engineers: JSON, PDFs, and AI Tools That Run Locally](https://toolsfree.app/blog/san-jose-ca-json-formatter): San Jose engineers use toolsfree.app for JSON formatting, PDF management, and local AI background removal. - [Austin Startup Workers and Musicians: Paystubs, JSON, and PDFs](https://toolsfree.app/blog/austin-tx-paystub-preview): Austin startup employees and indie musicians use toolsfree.app for paystub previews, JSON formatting, and PDF merging. - [Seattle Cloud Engineers and Cafe Owners: Tools That Just Work](https://toolsfree.app/blog/seattle-wa-json-formatter): Seattle engineers and small business owners use toolsfree.app for JSON, image compression, and PDF tools — all offline-capable. - [Denver Mountain Living: Mortgage, BMI, and PDF Tools](https://toolsfree.app/blog/denver-co-mortgage-calculator): Denver buyers and outdoor brands use toolsfree.app for mortgage math, fitness tracking, and PDF management. - [Boston Students and Lab Managers: PDF, GPA, and JSON Tools](https://toolsfree.app/blog/boston-ma-pdf-splitter): Boston students and biotech professionals use toolsfree.app for splitting PDFs, calculating GPA, and validating JSON. - [Miami Short-Term Rentals and Crypto: Browser Tools for Operators](https://toolsfree.app/blog/miami-fl-mortgage-calculator): Miami Airbnb hosts and crypto investors use toolsfree.app for mortgage math, PDF management, and JSON inspection. - [Atlanta Film Crews and Logistics Operators: Fast Browser Tools](https://toolsfree.app/blog/atlanta-ga-pdf-merger): Atlanta film production crews and logistics teams use toolsfree.app for PDFs, image compression, and paystub previews. - [Washington Federal Contractors: PDF and JSON Tools That Stay Local](https://toolsfree.app/blog/washington-dc-pdf-splitter): Washington federal contractors and policy analysts use toolsfree.app for splitting and merging PDFs, plus JSON validation. - [Las Vegas Hospitality and Events: Image, PDF, and AI Tools](https://toolsfree.app/blog/las-vegas-nv-image-compressor): Las Vegas event planners and hotel operators use toolsfree.app for image compression, PDF management, and AI background removal. - [Portland Etsy Sellers and Small Brands: Browser-First Tools](https://toolsfree.app/blog/portland-or-image-compressor): Portland Etsy sellers and craft-food brands use toolsfree.app for image compression, background removal, and PDF tools. - [Nashville Songwriters and Producers: Paystub, PDF, and Image Tools](https://toolsfree.app/blog/nashville-tn-paystub-preview): Nashville songwriters and indie producers use toolsfree.app for paystub previews, PDF management, and image compression. ## Pages - [Home](https://toolsfree.app/) - [All tools](https://toolsfree.app/tools) - [Blog](https://toolsfree.app/blog) - [About](https://toolsfree.app/about) - [Privacy policy](https://toolsfree.app/privacy) - [Terms and conditions](https://toolsfree.app/terms) - [Sitemap](https://toolsfree.app/sitemap.xml)