2,000+ free tools — most run entirely in your browser, and cloud-based tools say so on their page.
Convert, merge, split, sign, and edit PDFs without uploading files.
Finance, health, math, and science calculators — all free, all in your browser.
Mortgage, loan, investment, retirement, and tax calculators.
BMI, calories, macros, pregnancy, and fitness calculators.
Convert length, weight, temperature, volume, and more.
A free browser tool that reads your bank CSV locally, detects recurring charges by frequency analysis, and totals what every subscription costs you per year, no Plaid, no upload, no account.
A practical teardown of the edits that make any screenshot look designed, backdrop, padding, frame, caption, with a free browser beautifier that exports watermark-free PNGs.
Run year-by-year FIRE projections and seeded Monte Carlo success rates free in your browser, what each input means, how to read percentile bands, and the model's honest limits.
Drop your ~/.claude JSONL session logs into a free browser analyzer and see real token totals, cost estimates, model mix and session-length charts, nothing leaves your machine.
Every current App Store and Google Play screenshot size in one table, plus a free browser maker that exports exact store dimensions in batch, ZIP and PDF, watermark-free.
Design one certificate template with merge fields, upload a CSV of names, and download every personalized copy as PNGs in a ZIP plus one combined PDF, free, no watermark, no sign-up.
Search more than 100,000 open-source icons live, recolor and resize them, adjust stroke width, and bulk-export SVG, PNG, and ICO files, a free browser icon editor with per-icon license links.
A free browser expense splitter handles weighted shares, multi-currency trips, and a minimum-transfers settle-up plan, no account, and nothing you type leaves your device.
Free in-browser transcription runs OpenAI's Whisper model on your own device via WebGPU, timestamped SRT/VTT exports, no upload, no sign-up, and the only download is the model itself.
A free browser object remover runs the real LaMa inpainting model on your device, brush over a photobomber, get the background rebuilt, plus an unlimited 4x upscaler and product-photo presets.
Build swipeable LinkedIn and Instagram carousels in your browser with platform ratio presets, brand colors, and export as a PNG sequence or a PDF document post, free, no watermark, no sign-up.
Translate text and subtitle files entirely on your device with open opus-mt models, SRT and VTT files keep their timestamps, languages are auto-detected, and nothing you paste gets uploaded.
A free browser grammar checker that underlines every issue with one-click fixes and a readability report, no upload, no sign-up, nothing you paste ever leaves your device.
A free browser tool that turns lecture PDFs and notes into cloze and question-answer cards with SM-2 spaced repetition, plus a Kindle highlights-to-Anki export, no account, no upload.
Scan documents with your phone camera straight into a browser tab, automatic edge detection, perspective correction, and a multi-page PDF with no watermark and no app to install.
A free generator that outputs the inline-CSS table HTML Gmail and Outlook actually accept, with explicit colors that survive dark mode and a copy-into-Gmail preview, no badge, no paywall.
Build your link-in-bio page in a free browser editor, export it as one self-contained HTML file plus a QR code, and host it anywhere for $0, no subscription, no platform risk.
A four-tool SEO workflow that runs entirely in your browser, visual sitemap tree, on-page E-E-A-T grading, llms.txt and JSON-LD generation, and clean LLM-ready Markdown copies of your pages.
Request your ChatGPT or Claude data export, drop the ZIP into a free browser converter, and get one clean Markdown file per conversation for Obsidian or Notion, nothing uploads.
Run the open Kokoro-82M voice model in your browser, 54 natural voices, on-device synthesis, WAV downloads, and an instant no-download fallback, free and without an account.
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Practical Web Tools.