Attnom ToolsAttnom Tools
Live

Small jobs, done in your browser.

117 tools for files, text, images, money and chains. 114 of them work in this tab and upload nothing. 112 hand you a receipt for every run, so you can check what they did.

Attnom Tools for Android: Closed test on Google Play

117 tools

Everyday

27

Text cleanup, unit conversion, passwords, and quick admin helpers people need often.

  • Text Cleaner

    Paste messy text and get it back clean.

    In this tab

  • Unit Converter

    Length, weight, temperature, volume, area, and data size.

    In this tab

  • Angle

    Convert degrees to radians and back.

    In this tab

  • Area and land

    Convert an area between metric and imperial units and the land units used in India.

    In this tab

  • Cooking measures

    Convert cups, spoons, millilitres and grams for flour, sugar, butter, rice, honey and more, and see the closest mix of real measuring cups and spoons.

    In this tab

  • Data size

    Convert a data size between bits, kilobits to gigabits, bytes and the 1000 based (kB, MB, GB) and 1024 based (KiB, MiB, GiB) units, shown in pairs.

    In this tab

  • Download time

    Give a file size and a speed in Mbps, MB/s or Gbps to get the time in hours, minutes and seconds, and the speed in the other units.

    In this tab

  • Energy

    Convert energy between joules, food Calories (kcal), kilowatt hours, BTU, electronvolts and therms.

    In this tab

  • Flow rate

    Convert a flow rate between litres per second, litres per minute, cubic metres per hour, and US and UK gallons per minute.

    In this tab

  • Force

    Convert a force between newtons and kilograms force, or into pounds force and dynes.

    In this tab

  • Fuel economy

    Convert fuel economy between km per litre, litres per 100 km, and US and UK miles per gallon.

    In this tab

  • Length

    Convert a length between metric and imperial units, and see it in every other unit at once.

    In this tab

  • Weight

    Convert a weight between metric and imperial units, including the Indian tola and the carat, and see it in every unit at once.

    In this tab

  • Number bases

    Convert a whole number of any length between bases 2 to 36.

    In this tab

  • Amount in words

    Write a number or a cheque amount in English words, in the Indian or the international system, in rupees, dollars, pounds or euros.

    In this tab

  • Power

    Convert power between watts, kilowatts, mechanical and metric horsepower, BTU per hour and tons of refrigeration, as used to size an air conditioner.

    In this tab

  • Pressure

    Convert pressure between pascals, kilopascals, bar, psi, atmospheres, millimetres and inches of mercury, and kgf per square centimetre.

    In this tab

  • Pixels and print size

    Find the print size of a photo, the DPI of a print, or the pixels a print needs, and see if 300 DPI is met.

    In this tab

  • Ring sizes

    Find a ring size from the inside diameter or circumference of a ring, or convert between US, UK, India, EU and Japan ring sizes.

    In this tab

  • Roman numerals

    Convert 1 to 3999 into a Roman numeral, or read a numeral back.

    In this tab

  • Shoe sizes

    Convert adult shoe sizes between UK, India, US men, US women, EU and Japan, or find the size for a foot length in cm.

    In this tab

  • Speed

    Convert a speed between km/h, mph, m/s, knots and feet per second, or to a running pace in minutes per kilometre or mile.

    In this tab

  • Temperature

    Convert a temperature from Celsius to Fahrenheit and back, or to Kelvin and Rankine.

    In this tab

  • Time

    Convert a length of time from nanoseconds to years.

    In this tab

  • Torque

    Convert torque between newton metres and pound force feet, as on wheel nuts and engine specs.

    In this tab

  • Volume

    Convert a volume between litres, US and UK gallons, quarts, pints, fluid ounces, cups, spoons, cubic inches and feet, and cubic metres.

    In this tab

PDF & Docs

12

Convert, clean up, merge, protect, and prep document files.

  • PDF Reorder & Trim

    Reorder the pages, cut the ones you do not need, rotate whatever came in sideways.

    In this tab

  • PDF Edge Redaction

    Take headers, footers, and edge marks out of a PDF, then cover where they were.

    In this tab

  • Secure PDF Bundle

    Wrap a PDF in an encrypted ZIP so you can send it as one protected bundle.

    In this tab

  • PDF Merge & Split

    Join several PDFs into one, or cut a long file into pieces small enough to send.

    In this tab

  • PDF Sign & Annotate

    Add a signature line, a date, a note, or an approval stamp, then download the marked copy.

    In this tab

  • Barcode maker

    Make a barcode as an SVG in one of four common formats.

    In this tab

  • Images to PDF

    Turn photos, scans and screenshots into one PDF, a page per image in the order chosen, on A4, Letter or each image's own size, upright.

    In this tab

  • Split a PDF

    Split one PDF into several: every page its own file, every few pages, or the ranges you type, such as 1-3, 4-5.

    In this tab

  • QR maker

    Make a QR code for a link or any text and save it as an SVG or a PNG for print.

    In this tab

  • Payment request QR

    For India's UPI: a QR code any UPI app scans to pay your UPI ID, with an amount if you like.

    In this tab

  • Contact QR

    Turn your contact details into a vCard 3.0 QR code that a phone camera saves to contacts.

    In this tab

  • Wi-Fi QR

    Make the QR code a phone camera scans to join a Wi-Fi network, and a card with the network name to print.

    In this tab

Images

13

Resize, crop, convert, and clean visual assets fast.

  • Image Cropper

    Crop to a preset aspect ratio, or drag your own frame.

    In this tab

  • Photo Watermark Cleaner

    Drag a box over the watermark in the preview, then clean it with a background blend, a blur, a pixelate, or a solid cover.

    In this tab

  • Image Format Convert

    Move between PNG, JPG, and WebP depending on where the file is going.

    In this tab

  • Image Compressor

    Make the file smaller without making it look worse than it has to.

    In this tab

  • Background Remover

    Cut the subject out of the background and export it on transparency.

    In this tab

  • Image Annotator

    Put a label, a callout, or an approval note on an image and export the marked copy.

    In this tab

  • Image Metadata Remover

    Re-render the image through the browser canvas so the camera metadata does not travel with it.

    In this tab

  • Social Safe Crop

    Crop into the frames each channel expects, with the subject kept in the middle.

    In this tab

  • HEIC / AVIF Converter

    Convert HEIC and AVIF uploads into PNG, JPG, or WebP when your browser can decode the source.

    In this tabPreview

  • Face & Detail Blur

    Drag over a face, a plate, or a line on a receipt, then export it blurred or pixelated.

    In this tab

  • Image resizer

    Resize up to fifty photos to a width, a height or both, keeping their shape.

    In this tab

Video

5

Tune clips for size, crop, formatting, and watermark cleanup.

  • Video Resizer

    Resize a clip to the shape the platform wants.

    In this tab

  • Video Cropper

    Crop out the dead space and reframe the subject for a vertical screen.

    In this tab

  • Video Watermark Cleaner

    Drag a box over the watermark in the clip preview, then export a cleaned MP4 with a blend, blur, pixelate, or cover.

    In this tab

  • Subtitle Extractor

    Pull the subtitle track out of a video, if the file has one embedded.

    In this tabPreview

OCR & Text

5

Extract text from screenshots, scans, and visual documents.

  • OCR Extract

    Pull readable text out of a scan, a photo, or a screenshot when copy and paste will not work.

    In this tab

  • Scan Cleanup

    Sharpen a photographed page so it reads properly before you upload it or run OCR.

    In this tab

  • Document Auto-Crop

    Find the page inside a photo, crop away the desk and the shadow, and export something scan-ready.

    In this tab

  • QR Scanner

    Upload a QR image and read what is inside it, if your browser supports QR detection.

    In this tab

ZIP & Files

5

Inspect, open, extract, and re-save archives.

  • ZIP Unlock & Re-save

    Open a ZIP with its current password and save a fresh copy without one.

    In this tab

  • CSV Cleaner

    Trim the cells, fix the headers, drop the blank rows, remove the duplicates, and export a CSV that will import.

    In this tab

  • Batch Rename Pack

    Rename a whole batch with a prefix and a counter, then download them zipped.

    In this tab

On-chain

5

Read a transaction or a signature request before you approve it. Nothing is uploaded and no node is called.

  • Signature Inspector

    Paste the signature request a site is asking you to approve and find out what it actually does.

    In this tab

  • Calldata Decoder

    Paste the data field of a transaction and read what it calls and with which arguments.

    In this tab

  • TRON Energy and Bandwidth

    What a USDT transfer on TRON really costs, and whether to burn TRX, stake it, or rent someone else's allowance.

    In this tab

  • Safe Transaction Hash

    Work out the hash a Safe will ask its owners to sign, from the fields, offline.

    In this tab

Trading Bots

5

Bot runners, P&L dashboards, backtesting, and control-center views for strategy operations.

  • Arbitrage Bot

    Watch spreads across Binance, Bitget and Bybit, before and after both taker fees.

    Uses our serverSign in

  • Futures Bot

    A futures desk on Binance, Bybit, or Bitget, with Demo and Live keys kept apart.

    Uses our serverSign in

  • Bot Control Center

    Split capital across preservation, systematic, and tactical profiles, with a daily loss lock and a health check on every runner.

    In this tab

  • Trading P&L Dashboard

    Net P&L, ROI, what the fees took, and how far the drawdown still has to recover.

    In this tab

  • Strategy Backtester

    Test the assumptions against a symbol and honest fee and slippage inputs before going live.

    Uses our server

Finance

19

Planning, backtesting, risk, and cash-flow tools for money decisions.

  • Position Size and Liquidation

    Work out how many units to buy from the risk you are willing to take, then find out where the exchange would close you.

    In this tab

  • Impermanent Loss

    How far a liquidity position has fallen behind simply holding the two assets, in money rather than percentages, and what fee income it would take to catch up.

    In this tab

  • Funding and Basis

    What a perpetual position costs to hold, in money per day and as a rate per year, and what the gap between the perpetual and spot is really worth.

    In this tab

  • Tax Lot CSV

    Turn an exchange trade export into realised gains, lot by lot, under FIFO, LIFO or HIFO.

    In this tab

  • Finance Planner

    Build a monthly plan: what comes in, what goes out, what is left, and how long it lasts.

    In this tab

  • Portfolio Risk Radar

    See where the portfolio is concentrated, how volatile it is, and what a bad week does to it.

    In this tab

  • Cashflow Forecast Studio

    Forecast the cash: revenue in, recurring costs out, invoices landing late, and how many months that leaves.

    In this tab

  • Interest

    Work out the final balance, the interest and what was paid in, with yearly to daily compounding, a monthly addition and a year by year table.

    In this tab

  • Deposits and SIP

    Work out what a fixed deposit, a recurring deposit, a SIP or a step-up SIP is worth at the end, with a year by year table.

    In this tab

  • Discount

    Work out the sale price, what you save, and the single discount that equals two stacked ones.

    In this tab

  • Loan and EMI

    Work out the monthly payment, or EMI, on a fixed rate loan from the amount, the yearly rate and the term, with the total interest.

    In this tab

  • Margin and markup

    Margin is profit over the price and markup is profit over the cost, so the two never match.

    In this tab

  • Percent

    Five percent questions in one place: X% of Y, what percent X is of Y, percent change, the whole from a part, and adding or taking off a percent.

    In this tab

  • Salary converter

    Type what you are paid for one period and see it as an hourly, daily, weekly, monthly and yearly figure.

    In this tab

  • GST, VAT and sales tax

    Work out the amount before tax, the tax and the amount with tax for GST, VAT or sales tax, and split GST into CGST and SGST.

    In this tab

  • Tip and split

    Add a tip to a bill and split it between people.

    In this tab

  • Currency with your rate

    Convert an amount between 30 currencies at the European Central Bank's dated reference rate, or at today's rate from your bank or card.

    In this tab

  • Unit price compare

    Enter the price and the size of two to four packs to see the price of one unit, which is cheapest and how much more the others cost, in percent.

    In this tab

Date and time

12

Dates, durations, time zones and timestamps, worked out in this tab.

  • Age

    Work out an age from a date of birth, today or on any date: years, months and days, total months, weeks and days, and when the next birthday falls.

    In this tab

  • Add or take away days

    Add days, weeks, months, years or working days to a date, or take them away.

    In this tab

  • Days between dates

    Count the days between two dates, and see the same span as weeks, months and years.

    In this tab

  • Meeting planner

    Every hour of one city's day beside the time in up to three more, with the hours inside everyone's working day marked and the best window in one line.

    In this tab

  • Prayer times

    The five daily prayer times and sunrise by the PrayTimes.org equations, for five methods and both Asr schools, with the Qibla bearing from true north.

    In this tab

  • Sun and moon

    Sunrise, sunset, solar noon, day length and three twilights by NOAA's equations, with the moon's phase, how much is lit, and the next full and new moon.

    In this tab

  • Hours worked and time adder

    Type shifts like 9:00-17:30 or spans like 2h 30m, one to a line, with a minus sign to take time away.

    In this tab

  • Time zone converter

    Pick a date, a time and a city, and see the same moment in up to four other cities, with the day when it differs and each UTC offset.

    In this tab

  • Unix time

    Turn Unix seconds or milliseconds into a date and time in UTC and a fixed offset, as ISO 8601 and RFC 2822, or turn a date and time into a timestamp.

    In this tab

  • Week number

    Find the ISO week number of any date, with its day of the year, quarter and Monday to Sunday dates, or turn an ISO year and week into its Monday.

    In this tab

  • Working days

    Count the working days from one date to another, both included.

    In this tab

  • World clock

    The local time and day in up to five cities, how far each is ahead of or behind you, and whether the sun is up there.

    In this tab

Maths and science

1

Percentages, equations and science figures, with every answer ready to copy.

  • Calculator

    Type sums one a line and see each answer on a tape.

    In this tab

Developer

1

Encoders and decoders for text you would rather not paste into a stranger's site.

  • Base64

    Encode text to Base64 or decode it back, in the standard or the URL safe alphabet.

    In this tab

Colour

2

One colour in every format, with its contrast, tints and shades.

  • Colour converter

    Type a colour in HEX, RGB or HSL and get it in every other format, ready to paste, with a row of tints and shades.

    In this tab

  • Contrast checker

    Check text and background colours against WCAG 2.2 AA and AAA, and get the nearest darker or lighter text colour that passes AA.

    In this tab

Security

5

Hashes, passwords and checks, done in this tab.

  • Link check

    Paste a link to see the site it really goes to and any trick that hides it.

    In this tab

  • Passphrase

    Pick words at random from the EFF large wordlist and see how long they would take to guess.

    In this tab

  • Password and PIN

    Make random passwords or PINs from the characters you choose.

    In this tab

  • Password strength

    Check a password against common passwords, words and patterns such as dates.

    In this tab

  • Encrypt text

    Encrypt a message with a passphrase and AES-256-GCM, then send the text any way you like.

    In this tab

Check a receiptPaste the receipt a run gave you, and see whether the files and hashes still match.Need one inside your product?Attnom Solutions builds a tool like these into your own site or workflow.