Tembrica Online Tools — Page 9

Compare two texts side by side. Line, word and character-level diff with insertion/deletion highlighting. Free, in your browser.

Decode and inspect JSON Web Tokens in the browser. Header, payload, expiry, claims explained. No signing. Free.

Generate UUID v4 (random), v7 (time-ordered), v1 (timestamp) or Nil UUIDs in your browser. Bulk, formatted, validated. Free.

Calculate MD5, SHA-1, SHA-256, SHA-384, SHA-512 and CRC32 hashes for text or files in your browser. HMAC, hex or base64.

Generate URL-friendly slugs from text. Transliterate Cyrillic and Latin diacritics, choose separator, strip stop words, set max length.

Encode and decode URL strings in the browser. Component vs full-URL mode, + for space, auto-detect. Free.

Convert between JSON arrays and CSV files. Auto-detect direction, configurable delimiter, type coercion, header row toggle. Free, in browser.

Parse and explain cron expressions. See the next 10 run times in your timezone, with human-readable description and field breakdown.

Format, validate, and convert YAML in your browser. YAML ↔ JSON bidirectional, indent options, multi-document support.

Encode and decode Base64 in the browser. UTF-8 safe, URL-safe variant, file uploads. Auto-detect direction. Free.

Live Markdown editor with GitHub-flavored preview. Side-by-side, sync scroll, export HTML, all in your browser.

Beautify or minify HTML in your browser. Indent options, comment removal, void-element handling, preserves <pre>/<script>/<style> content.

Parse, edit and build URL query strings. Visual table editor, automatic encode/decode, array notation, JSON export.

Test JavaScript regular expressions in the browser. Highlight matches, see groups, preview replacement. Free.

Beautify, minify, and validate JSON in the browser. Live error line/column, 2/4/Tab indent. Free, no signup.

Identify the algorithm behind any hash: MD5, SHA-256, bcrypt, Argon2, NTLM and 50+ more. Ranked matches with hashcat & John modes. Free.

Check Russian and English punctuation, commas and spelling online. Explains the rule behind every error and fixes it in one click.

Free text formatter with 60+ operations: case conversion, cleaning, encoding, find & replace, fancy Unicode text. Works in browser.

Free word counter with readability scores, keyword density, social media limits. Count words, characters, sentences in real time.

Fix text typed in the wrong keyboard layout. 12 layouts: QWERTY, Cyrillic, Korean, Arabic and more. Auto-detection, free.

Generate placeholder text in 10 languages — exact word or character count, HTML, Markdown or plain. Presets for meta, tweet, SMS.

Analyse poems: detect metre (iambic, trochaic, dactylic), rhyme scheme, syllable count and spellcheck. For students and writers. Free.

Turn any text into ASCII block art. Pick a font (Banner, Big, Standard, Bubble), copy, paste into chat or code comments.

Browse 1 940 Unicode emojis with names in 9 languages. Search by paste, hex or :shortcode, copy in one click, download SVG/PNG. Free.

Check any text for profanity and mask swear words with asterisks in 9 languages. Catches leetspeak and disguised bad words. Free online.

Highlights anglicisms right in your text and replaces them with native words in one click. 8 languages, score 0-100. Online, no install.

Rewrite editor: paraphrase, change tone, shorten, simplify or fix your text — in its own language, with the changes highlighted.

Fancy unicode fonts for nicknames and posts: bold, gothic, strikethrough, ꧁༺༻꧂ frames, hearts j♥o♥y. 40+ styles, one-click copy. In your browser.

Find synonyms for any word in 9 languages — our vetted dictionary plus Wiktionary, grouped by meaning. Online, no sign-up.

Turn any text into a fill-in-the-blanks exercise. Choose how words are removed, do it on screen or print a worksheet with an answer key. Free.

Convert any English score between CEFR, IELTS, TOEFL, Cambridge and Duolingo, and calculate your IELTS overall band. Free, in the browser.

A searchable table of 130+ English irregular verbs grouped by pattern, plus a typing trainer for past simple and past participle. Free.

Loop and slow down any audio or video, record yourself shadowing it, and compare your waveform and pitch side by side. Free, in the browser.

A searchable list of 100+ English phrasal verbs with meanings and examples, filterable by particle and CEFR level, plus a fill-in trainer. Free.

Adaptive English level test: vocabulary, grammar, reading and listening. Get your CEFR level with IELTS and TOEFL equivalents. Free, no signup.

Say an English vowel and see it plotted on a formant chart against native targets. Real-time F1/F2 feedback for clearer pronunciation. Free.

Practise IELTS Speaking with a Part 2 cue-card timer (1 min prep, 2 min talk), random cue cards and Part 1 & 3 question banks. Free.

Look up an English word and see its natural collocations — the verbs and adjectives that go with it — grouped by pattern with examples. Free.

Browse and quiz English false friends — words that look like a word in your language but mean something else. RU, DE, ES, FR, PT. Free.

A new English word each day with translation, meaning, examples and audio. Save and review words with spaced repetition. Free, in your browser.

Count the syllables in any English word or text. Dictionary-accurate, with a poetry mode for haiku. Free, in your browser.

Find which syllable to stress in any English word. Shows the stressed syllable, IPA and noun/verb pairs like REcord vs reCORD. Free, in your browser.

Learn English grammar by CEFR level A1–C2. Free course with clear lessons, exercises and progress tracking, in your browser.

Listen to graded English sentences and type what you hear. Word-by-word error highlighting, A1–C2 levels, adjustable speed. Free, in the browser.

Hear an English word and spell it. Four difficulty tiers, example sentences, letter-by-letter error marking and a streak counter. Free.

Estimate how many English words you know. A quick, science-based vocabulary size test with a CEFR estimate. Free, no sign-up.

Paste a word list and build a real Anki .apkg deck — with IPA, audio and a built-in study mode. Free, in your browser.

Train your ear on tricky English sounds — ship vs sheep, light vs right. A minimal pairs listening drill, in your browser.

Turn any photo into a 3D lithophane STL — flat or curved, adjustable thickness, contrast, brightness. Runs in your browser.

Generate Gridfinity-compatible bins and baseplates as STL — fully parametric, magnet holes, configurable height. Free, browser-based.