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Free tools

Everyday tools that run in your browser — no sign-up, nothing uploaded. Grouped so each set works like one app.

Our tools run in your browser — nothing you paste or open is uploaded to us or stored by us.

Lao

  • Lao QR Tools

    Inspect, edit and regenerate Lao QR (EMVCo) payment codes in your browser: tag tree, CRC check and fix, image decode, and a self-checked QR export.

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  • Lao money in words

    Type an amount and get it written out in Lao and English — for invoices, receipts and cheques. LAK, USD and THB. 2,500,000 → ສອງລ້ານຫ້າແສນກີບ.

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  • Lao text fixer (Unicode)

    Clean Lao text that looks right but searches, sorts or prints wrong: ໍາ → ຳ, ຫນ ↔ ໜ, tone marks in the wrong order, hidden characters, Lao ↔ Arabic digits — and add word breaks so long Lao lines wrap on websites.

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AI

  • AI chat — ask anything, free daily

    A free AI assistant like ChatGPT or Gemini: ask anything in English or Lao, attach photos, PDFs or files, talk instead of typing, and keep your chat history on your own device. The best model is picked for you.

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  • AI token counter & cost calculator

    Paste a prompt to count its tokens and compare the cost on GPT, Claude and Gemini models — per call and per thousand calls. See exactly how your text is split, including Lao.

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  • AI prompt builder & beautifier

    Turn a messy idea into a clear AI prompt with Role, Context, Task, Rules and Output format — for ChatGPT, Claude or Gemini. Works offline, in English and Lao, with ready templates and quality tips.

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Text

  • Text editor & cleaner

    One editor for every text job: change case, clean messy spacing and symbols, remove duplicate lines, sort, find and replace — with live word, character and reading-time counts. Counts Lao words too.

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Developer

  • JSON formatter, validator & diff

    Format, minify and validate JSON with the exact line and column of any error, explore it as a tree, sort keys, and compare two documents.

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  • Diff checker — compare text & code

    Paste two versions and see exactly what changed: side-by-side or inline, word-level highlights, ignore spaces or case, and copy a unified patch. Files are read in your browser.

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  • Base64, URL & HTML encoder / decoder

    Encode and decode Base64, Base64URL, URL percent-encoding and HTML entities — UTF-8 safe, so Lao text works.

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  • URL parser & tracking cleaner

    Break any link into its parts, edit the query parameters in a table, remove tracking tags (utm, fbclid, gclid…) and copy a clean link. Reads Lao and other Unicode addresses.

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  • Password generator & strength checker

    Strong passwords and easy-to-remember passphrases, made with your browser's secure random generator — plus a strength check that estimates how long a password would take to crack. Nothing is sent or saved.

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  • Hash, HMAC, UUID & ULID generator

    SHA-1/256/384/512 of text or a local file, HMAC-SHA256 with your key, and bulk UUID v4, UUID v7 and ULID generation.

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  • JWT decoder

    Paste a JSON Web Token to read its header, payload and expiry. Decode only — the signature is not verified.

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  • Unix timestamp & time-zone converter

    Convert Unix seconds or milliseconds to and from ISO 8601 and local time in any time zone, including Laos (ICT, UTC+7).

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  • Webhook signature checker

    Check why a webhook "does not validate": verify Meta/WhatsApp, Stripe, GitHub and Telegram signatures with your secret and the raw body.

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  • API Tester

    Send HTTP requests straight from your browser, inspect the response, save requests and turn them into cURL, fetch, Dart, Kotlin or Swift code.

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Files & PDF

  • PDF workspace — merge, split, annotate, compress

    Merge PDFs, reorder and rotate pages, highlight, draw and add comments, delete or extract pages, split into files, turn photos into a PDF and make files smaller — in one workspace. Your files never leave your device.

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  • P2P Send — share files directly

    Send files or text from one device to another, browser to browser. Nothing is uploaded to a server: you share a code or QR, the other device opens it, and the files go straight across.

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Internet & network

  • Internet check: speed, IP & DNS

    Test your internet speed, see your IP address, IPv6 support and the Cloudflare data centre serving you, look up DNS records and copy a device report for IT support — all on one page, no app or account.

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Calculators

  • Loan & installment calculator

    Monthly payment, total interest and a full schedule — and see flat-rate and reducing-balance loans side by side, with the real yearly rate a flat rate costs you.

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  • Lao salary calculator (net pay)

    Take-home pay in Laos from your gross salary — or the gross you need for a target net. Social security and the 2026 income tax bands, shown band by band.

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  • VAT calculator (Laos 10%)

    Add VAT to a price or take it out of a total. Lao VAT is 10% (since 1 May 2024); change the rate for other countries. Quantity and kip, dollar or baht amounts supported.

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  • Discount calculator

    Sale price and savings in seconds — stack two discounts (20% + 10%), take off a fixed amount, or find the original price from a sale price. Kip, dollars or baht.

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Business