Privacy-first tools for everyday taskspowered by local AI.

Pull text out of photos and screenshots with a WASM OCR engine that runs entirely in your browser.

Find grammar mistakes and explain why they're wrong.

Transcribe English audio privately in your browser.

Convert text into natural-sounding speech, ready to export.

Translate text between 67 languages right in your browser, with no upload.

Detect 80 object classes in images with bounding boxes.

Identify what's in any image with top-5 predictions.

Upscale low-resolution images 2x or 4x with AI detail recovery.

Analyze text tone and detect 28 emotions at a glance.

Score paragraphs for AI-generated vs human-written text.

Rewrite text in 7 different writing styles.

Pull out people, organizations and places from text.

Drag to reorder pages, extract pages. All local.

Combine JPG, PNG, WebP or GIF images into one PDF in your browser · reorder, page size, margins. Fully offline.

Shrink PDF files in your browser with three quality presets and before and after size readouts — no upload.

Convert iPhone HEIC photos to JPG or PNG in your browser · batch, quality slider, ZIP download. Nothing uploaded.

Create scannable CODE128, EAN, UPC, CODE39, ITF or Codabar barcodes as SVG or PNG, right in your browser.

Resize images by pixels or % · preserve aspect · PNG/JPG/WebP · in-browser.

Quality slider, before/after size. Avg 62% reduction.

PNG · JPG · DPI picker · ZIP download. All local.

Convert Word .docx to a printable PDF in your browser with mammoth: images and tables kept, no upload.

Add text watermarks or page numbers to PDFs right in your browser — size, opacity, rotation, tiling, no upload.

WebP · PNG · JPG · HEIC. Batch drag & drop, no upload.

HEX ↔ RGB ↔ HSL · picker + CSS copy · in-browser.

16+ currencies, live rates with offline cache, fee breakdown.

Equal Monthly Installment vs principal-only plan comparison.

Investment value over time · monthly contribution · in-browser.

Monthly · Quarterly · Yearly · Continuous compounding + APY.

Nest egg target with 4% rule and year-by-year projections.

Find out exactly how much to save each month to hit your goal by a target date, with interest growth factored in. 100% in-browser, no sign-up.

US APR · EU nominal · Brazil TAXA. Full amortization, CSV export.

Past and future purchasing power · custom rates · in-browser.

Hourly ↔ monthly ↔ yearly · work hours · in-browser.

Min vs full payoff · total interest · payoff time · in-browser.

Interest saved & term reduced · extra payments · in-browser.

Calculate your monthly car payment, total interest and payoff schedule from price, down payment, APR and term. Compare extra payments to save interest. 100% in-browser, no sign-up.

Exact age, days lived, next birthday, Chinese and Western zodiac.

WHO vs Asia standard — side by side comparison.

White, pink and brown noise generated in your browser, with volume, a low-pass filter, fades and a sleep timer.

Trig, log, powers, constants · degree/radian · in-browser.

Generate true random numbers in any range, with deduplication and multiple output formats. Uses your browser's crypto engine — no uploads, no tracking.

Weighted course grade calculator with editable rows, automatic weight normalization and US, UK or numeric letter scales.

Four percentage modes — X% of Y, reverse, margin, mark-up.

Cryptographically secure · length + charset options · in-browser.

Check your webcam and mic before a meeting: live preview, device picker, level meter and a 440 Hz speaker beep.

Take a 60-second or free-form WPM test against a built-in bank of English passages — scored in your browser.

Test every key on your keyboard in the browser: per-key hit counters, stuck-key alerts and a last-key readout.

4.0 scale · weighted by credits · in-browser.

Daily calorie estimate with the Mifflin-St Jeor equation: BMR, activity-adjusted TDEE, goal target and macros.

Find your Chinese zodiac animal and element by exact birth date, using real New Year boundary dates.

Turn daily steps into distance and calorie estimates from height, weight and pace. Runs fully in your browser.

Body fat percentage from tape measurements with the US Navy formula: fat and lean mass plus ACE categories.

Estimate your due date from your last period or conception date, with today's gestational age and trimester.

Work out the best bedtime from your alarm, or a wake time from your bedtime, with 90-minute sleep cycles.

Predict a child's adult height with the mid-parental method from the parents' heights, with an honest range.

Estimate your ovulation day and fertile window from your last period start and average cycle length, offline.

Estimate your 1RM with three published formulas plus a percentage table for training. Runs in your browser.

Ideal weight ranges from four published formulas plus a BMI screening band, in kg and lb. Runs fully in your browser.

Turn a goal time into pace per km or mile with a cumulative split table, or predict a finish time from pace.

Convert dog years to human years with the vets' size-curve model, not the old multiply-by-7 rule.

Size crypto and futures trades from your risk percent: position size, quantity, margin, liquidation.

Convert between market cap, token price and circulating supply: fill two fields and the missing value appears.

Estimate the isolated-margin liquidation price with fees, position size and the distance to liquidation offline.

Next halving · block reward · supply · in-browser.

Crypto profit · BRL 35k exemption · 15% IRPF · loss carry-forward.

Spot + futures taker/maker fees · multiple exchanges · in-browser.

Buy/sell history · average cost · realized + unrealized · in-browser.

Grid levels, per-grid profit & total · spot grid · in-browser.

Simple & compound staking rewards · lockup · in-browser.

LP position IL · price ratio · in-browser.

Estimate your Ethereum transaction gas fee from gas price (Gwei) and gas limit. See the cost in ETH and USD. Pure in-browser math, no RPC calls.

LTV, health factor & liquidation price · DeFi loan safety · in-browser.