LOCAL-FIRST · NO UPLOADS · NO SIGN-UP
TOOLS SHOULD
WORK LIKE PRESSWORK
20 hand-finished, pure front-end tools. Everything runs inside your browser — files never leave your device, privacy is guaranteed, and it works offline.
Browse all tools ↓Why INKTOOLS
Three presswork principles
- 01
Local-first
No server takes part in computation. Your JSON, images and passwords stay in local memory from paste to result.
- 02
Fast as drying ink
Static pages, on-demand interactive modules. Open and use — no spinners, no sign-up walls.
- 03
Fluent in two languages
Every tool page ships bilingual docs, FAQ and structured data that search engines can parse directly.
Tool Index
Filed and numbered by category — a yearbook of tools. Open one and go.
Developer Tools
Encode, decode, parse, generate — the daily chores of development, handled in one pass.
10- 01 dev
JSON Formatter & Validator
Paste any JSON — instantly format, minify, validate and pinpoint syntax errors.
OPEN → - 02 dev
Base64 Encoder / Decoder
Convert text to and from Base64 with full UTF-8 (emoji, CJK) support.
OPEN → - 03 dev
URL Encoder / Decoder
Tame %20-style escapes with component and full-URI encoding modes.
OPEN → - 04 dev
Regex Tester
Live match highlighting, capture-group panel and a cheat sheet of common patterns.
OPEN → - 05 dev
Timestamp Converter
Two-way Unix timestamp ⇄ human time with s/ms detection and local-timezone preview.
OPEN → - 06 dev
Hash Calculator
MD5, SHA-1, SHA-256 and SHA-512 checksums for text and files — computed in seconds.
OPEN → - 07 dev
JWT Decoder
Decode JWT header and payload, inspect expiry. Signature is not verified — nothing leaves your browser.
OPEN → - 08 dev
Cron Expression Parser
Explains 5-field cron expressions in plain language and predicts the next 5 runs.
OPEN → - 09 dev
UUID Generator
Bulk-generate UUID v4 from cryptographic randomness, one-click copy.
OPEN → - 10 dev
Color Converter
Convert HEX / RGB / HSL / OKLCH with a built-in contrast checker.
OPEN →
Image & Media
Compress, convert, generate, cut out. Images flow through local canvases and WASM engines — never the network.
05- 11 media
Image Compressor
Compress images to JPEG/WebP locally, pick your quality — files never leave your device.
OPEN → - 12 media
Image Format Converter
Convert between JPG, PNG, WebP and AVIF locally — instant download.
OPEN → - 13 media
QR Code Generator
Turn any URL or text into a crisp QR code with size, error-correction and color control. PNG/SVG download.
OPEN → - 14 media
AI Background Remover
AI cutouts in your browser — the model runs locally, photos never upload. Transparent PNG in seconds.
OPEN → - 15 media
Favicon Generator
From one image or a letter to a full favicon set (ICO/PNG/apple-touch), zipped.
OPEN →
Text & Office
Counts, diffs, conversions, previews — the desk rules for people who work with words.
05- 16 text
Word Counter
Live counts of words, characters (with/without spaces), sentences and reading time.
OPEN → - 17 text
Markdown Preview
Split-pane live Markdown rendering with tables, code blocks and task lists.
OPEN → - 18 text
Text Diff Checker
Compare two texts line by line — additions and deletions at a glance.
OPEN → - 19 text
Unit Converter
Convert length, weight, temperature, area, volume, speed and data size instantly.
OPEN → - 20 text
Password & Test-Data Generator
Bulk cryptographically-secure passwords, plus fake names/emails/phones for testing.
OPEN →